Apogee Wiring Guide
Some of the wire colors for connecting our bare-lead sensors to data loggers changed in March, 2018. Please check your sensor serial number and/or if it has one of our new in-line, cable connectors 30 cm from the sensor head, and then review the serial number ranges below to ensure proper sensor connection. If your sensor is not listed, please check the owner’s manual at apogeeinstruments.com or contact tech support at techsupport@apogeeinstruments.com.
Pyranometers
|
Model |
Serial # |
Black |
Red |
White |
Green |
Yellow |
Blue |
Clear |
|
SP-110 |
Serial # 0-60050 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
|
Shield/Ground |
|
Serial # 60051 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
|
SP-212 |
Serial # 0-9897 |
|
|
Input Power |
Positive (signal from sensor) |
|
|
Ground (from sensor signal and output power) |
|
Serial # 9898 and above or if sensor has a connector |
Ground |
Input Power (3.3-24 V DC) |
Amplified signal output |
|
|
|
Shield/Ground |
|
|
SP-214 |
Serial # 0-9897 |
Input ground |
Input power |
4-20 mA signal output |
Signal ground |
|
|
Shield/Ground |
|
Serial # 9898 and above or if sensor has a connector |
Ground |
Input power (7-24 V DC) |
4-20 mA signal output |
|
|
|
Shield/Ground |
|
|
SP-215 |
Serial # 0-9897 |
|
|
Input power |
Positive (signal from sensor) |
|
|
Ground (from sensor signal and input power) |
|
Serial # 9898 and above or if sensor has a connector |
Ground |
Input power (5.5-24 V DC) |
Amplified signal output |
|
|
|
Shield/Ground |
|
|
SP-230 |
Serial # 0-9897 |
Low side of differential channel (negative lead for sensor) |
High side of differential channel (positive lead for sensor) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
|
|
Analog ground (shield wire) |
|
Serial # 9898 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SP-421 |
Serial # 0-1173 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
|
Ground (shield wire) |
|
Serial # 1174 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
|
Shield/Ground |
|
|
SP-510 |
Serial # 0-1269 |
Negative (signal from sensor) |
Positive (signal from sensor) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
|
|
Shield/Ground |
|
Serial # 1270 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SP-610 |
Serial # 0-1093 |
Negative (signal from sensor) |
Positive (signal from sensor) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
|
|
Shield/Ground |
|
Serial # 1094 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SP-422 |
Serial # 1174 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
RS232 Tx or RS485 + |
Select – RS485/RS232 |
|
RS232 Rx or RS485 |
Shield/Ground |
Infrared Radiometers
|
Model |
Serial # |
Black |
Red |
White |
Green |
Blue |
Clear |
|
SI-111 |
Serial # 0-7282 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 7283 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SI-121 |
Serial # 0-7282 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 7283 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SI-131 |
Serial # 0-7282 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 7283 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SI-1H1 |
Serial # 0-7282 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 7283 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SIF-111 |
Serial # 0-1056 |
Low side of differential channel (negative thermopile lead) |
High side of differential (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 1057 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SIF-121 |
Serial # 0-1056 |
Low side of differential channel (negative thermopile lead) |
High side of differential (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 1057 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SIF-1H1 |
Serial # 0-1056 |
Low side of differential channel (negative thermopile lead) |
High side of differential (positive thermopile lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Analog ground (thermopile ground) |
|
Serial # 1057 and above or if sensor has a connector |
Low side of differential channel (negative thermopile lead) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive thermopile lead) |
Single-ended channel (positive thermistor lead) |
Analog ground (negative thermistor lead) |
Shield/Ground |
|
|
SI-411 |
Serial # 0-3056 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 3057 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
SI-421 |
Serial # 0-3056 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 3057 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
SI-431 |
Serial # 0-3056 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 3057 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
SI-4H1 |
Serial # 0-3056 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 3057 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
Oxygen Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Yellow |
Blue |
Clear |
|
SO-110 |
Serial # 0-4606 |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive lead for thermistor) |
12 V port (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Analog ground (shield wire)
|
|
Serial # 4607 and above or if sensor has a connector |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
Single-ended channel (positive lead for thermistor) |
12 V DC (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Shield/Ground |
|
|
SO-120 For separate thermo-couple wiring see manual |
Serial # 0-4606 |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
|
|
Analog ground (shield wire)
|
|
Serial # 4607 and above or if sensor has a connector |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
|
High side of differential channel (positive lead for Oâ‚‚ sensor) |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SO-210 |
Serial # 0-4606 |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive lead for thermistor) |
12 V port (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Analog ground (shield wire)
|
|
Serial # 4607 and above or if sensor has a connector |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
Excitation channel (excitation for thermistor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
Single-ended channel (positive lead for thermistor) |
12 V DC (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Shield/Ground |
|
|
SO-220 For separate thermo-couple wiring see manual |
Serial # 0-4606 |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
High side of differential channel (positive lead for Oâ‚‚ sensor) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
|
|
Analog ground (shield wire)
|
|
Serial # 4607 and above or if sensor has a connector |
Low side of differential channel (negative lead for Oâ‚‚ sensor) |
|
High side of differential channel (positive lead for Oâ‚‚ sensor) |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SO-411 |
Serial # 0-1144 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
Positive Heater Power |
Negative Heater Power |
|
|
Ground (shield wire) |
|
Serial # 1145 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
|
|
SO-421 |
Serial # 0-1144 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
Positive Heater Power |
Negative Heater Power |
|
|
Ground (shield wire) |
|
Serial # 1145 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Shield/Ground |
Quantum Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Blue |
Clear |
|
SQ-110 |
Serial # 0-25369 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 25370 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-120 |
Serial # 0-25369 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 25370 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-212 |
Serial #0-7597 |
|
|
Input power |
Positive (signal from sensor) |
|
Ground (for sensor signal and input power) |
|
Serial # 7598 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-214 |
Serial #0-7602 |
Input ground |
Input power |
4-20 mA signal output |
Signal ground |
|
Shield/Ground |
|
Serial # 7603 and above or if sensor has a connector |
Ground |
Input power (7-24 V DC) |
4-20 mA signal output |
|
|
Shield/Ground |
|
|
SQ-224 |
Serial #0-7597 |
Input ground |
Input power |
4-20 mA signal output |
Signal ground |
|
Shield/Ground |
|
Serial # 7598 and above or if sensor has a connector |
Ground |
Input power (7-24 V DC) |
4-20 mA signal output |
|
|
Shield/Ground |
|
|
SQ-215 |
Serial #0-7597 |
|
|
Input power |
Positive (signal from sensor) |
|
Ground (for sensor signal and input power) |
|
Serial # 7598 and above or if sensor has a connector |
Ground |
Input power (5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-222 |
Serial #0-7597 |
|
|
Input power |
Positive (signal from sensor) |
|
Ground (for sensor signal and input power) |
|
Serial # 7598 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-225 |
Serial #0-7597 |
|
|
Input power |
Positive (signal from sensor) |
|
Ground (for sensor signal and input power) |
|
Serial # 7598 and above or if sensor has a connector |
Ground |
Input power (5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-421 |
Serial # 0-2052 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 2053 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
SQ-313 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-323 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-316 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-326 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-311 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-321 |
Serial # 0-3204 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 3205 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-500 |
Serial # 0-1558 |
Negative (signal from sensor) |
Positive (signal from sensor) |
|
|
|
Shield/Ground |
|
Serial # 1559 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
|
SQ-512 |
Serial # 0-1689 |
Ground |
Power |
Output |
|
|
|
|
Serial # 1690 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-515 |
Serial # 0-1689 |
Ground |
Power |
Output |
|
|
|
|
Serial # 1690 and above or if sensor has a connector |
Ground |
Input power (5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
|
SQ-521
|
Serial # 0-1689 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
Ground (shield wire) |
|
Serial # 1690 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
SQ-422 |
Serial # 2053 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
RS232 Tx or RS485 + |
Select – RS485/RS232 |
RS232 Rx or RS485- |
Shield/Ground |
|
SQ-522 |
Serial # 1690 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
RS232 Tx or RS485 + |
Select – RS485/RS232 |
RS232 Rx or RS485- |
Shield/Ground |
Red - Far-red Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Yellow |
Blue |
Clear |
|
S2-131 |
Serial # 1001 and above or if sensor has a connector |
Negative (signal from far-red sensor) |
|
Positive (signal from far-red sensor) |
|
Positive (signal from red sensor) |
Negative (signal from red sensor) |
Shield/Ground |
|
S2-431 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
S2-432 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
RS232 Tx or RS485 + |
Select – RS485/RS232 |
RS232 Rx or RS485- |
Shield/Ground |
PAR-FAR Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Yellow |
Blue |
Clear |
|
S2-141 |
Serial # 1001 and above or if sensor has a connector |
Negative (signal from far-red sensor) |
|
Positive (signal from far-red sensor) |
|
Positive (signal from red sensor) |
Negative (signal from red sensor) |
Shield/Ground |
|
S2-441 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
|
|
S2-442 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
RS232 Tx or RS485 + |
Select – RS485/RS232 |
RS232 Rx or RS485- |
Shield/Ground |
Photometric Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Blue |
Clear |
|
SE-100 |
Serial # 1001 and above or if sensor has a connector |
Negative (signal from sensor) |
|
Positive (signal from sensor) |
|
|
Shield/Ground |
|
SE-202 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
SE-205 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
SE-212 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
SE-215 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
|
|
Shield/Ground |
|
SE-421 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
|
|
Shield/Ground |
All Other Apogee Sensors
|
Model |
Serial # |
Black |
Red |
White |
Green |
Yellow |
Blue |
Clear |
Orange |
|
SN-500 |
Serial # 1085 and less |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
|
|
|
|
Ground (shield wire) |
|
|
Serial # 1086 and greater |
Ground |
Input Power (5.5-15 V DC) |
SDI-12 Data Line |
|
|
|
Shield/Ground |
|
|
|
TS-100 Fan |
Serial # 0-1541 |
Ground (negative fan lead) |
Input power (positive fan lead) |
Pulse Counter or Control Port (tachometer output) |
Control Port (PWM control) |
|
Input Power (for tachometer) |
Shield/Ground |
|
|
Serial # 1542 and above or if sensor has a connector |
Ground (negative fan lead) |
Input power (positive fan lead) |
Pulse Counter or Control Port (tachometer output) |
Control Port (PWM control) |
|
Input Power (for tachometer) |
Shield/Ground |
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SL-510 |
Serial # 0-1073 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Single-ended channel (positive thermistor lead) |
Excitation channel (excitation for thermistor) |
Analog ground (negative thermistor lead) |
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Serial # 1074 and above or if sensor has a connector |
Negative (signal from sensor) |
Excitation channel (excitation for thermistor) |
Positive (signal from sensor) |
Single-ended channel (positive thermistor lead) |
12 V DC (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Shield/Ground |
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SL-610 |
Serial # 0-1033 |
Low side of differential channel (negative thermopile lead) |
High side of differential channel (positive thermopile lead) |
12 V DC (positive lead for heater) |
Ground (negative lead for heater) |
Single-ended channel (positive thermistor lead) |
Excitation channel (excitation for thermistor) |
Analog ground (negative thermistor lead) |
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Serial # 1034 and above or if sensor has a connector |
Negative (signal from sensor) |
Excitation channel (excitation for thermistor) |
Positive (signal from sensor) |
Single-ended channel (positive thermistor lead) |
12 V DC (positive lead for heater) |
Ground (negative lead for thermistor and heater) |
Shield/Ground |
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ST-100 |
Serial # 0-2724 |
Single-ended channel (positive thermistor lead) |
Excitation channel (excitation for thermistor) |
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Analog Ground (negative thermistor lead) |
Ground (shield wire) |
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Serial # 2725 and above or if sensor has a connector |
Ground (negative thermistor lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
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Shield/Ground |
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ST-110 |
Serial # 0-2724 |
Single-ended channel (positive thermistor lead) |
Excitation channel (excitation for thermistor) |
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Analog Ground (negative thermistor lead) |
Ground (shield wire) |
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Serial # 2725 and above or if sensor has a connector |
Ground (negative thermistor lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
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Shield/Ground |
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ST-200 |
Serial # 0-1351 |
Single-ended channel (positive thermistor lead) |
Excitation channel (excitation for thermistor) |
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Analog Ground (negative thermistor lead) |
Ground (shield wire) |
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Serial # 1352 and above or if sensor has a connector |
Ground (negative thermistor lead) |
Excitation channel (excitation for thermistor) |
Single-ended channel (positive thermistor lead) |
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Shield/Ground |
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ST-300 |
Serial # 0-1075 |
Low Side of Differential Channel 2 |
High Side of Differential Channel 2 |
Analog Ground |
Low Side of Differential Channel 1 |
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High Side of Differential Channel 1 |
Ground (shield wire) |
PRT Excitation Channel |
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Serial # 1076 and above or if sensor has a connector |
Low Side of Differential Channel 1 |
Excitation channel (excitation for PRT) |
High Side of Differential Channel 1 |
High Side of Differential Channel 2 |
Analog Ground |
Low Side of Differential Channel 2 |
Shield/Ground |
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ST-150 |
Serial # 0-2724 |
Low Side of Differential Channel 2 |
High Side of Differential Channel 2 |
Analog Ground |
Low Side of Diff. Channel 1 |
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Ground (shield wire) |
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Serial # 2725 and above or if sensor has a connector |
Low Side of Differential Channel 1 |
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High Side of Differential Channel 1 |
High Side of Differential Channel 2 |
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Low Side of Differential Channel 2 |
Shield/Ground |
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SF-110 |
Serial # 0-1137 |
Single-ended channel (positive leaf thermistor lead) |
Excitation channel (excitation for leaf thermistor) |
Excitation channel (excitation for bud thermistor) |
Single-ended channel (positive bud thermistor lead) |
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Analog ground (negative leaf thermistor lead) |
Analog ground (shield wire) |
Analog ground (negative bud therm. lead) |
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Serial # 1138 and above or if sensor has a connector |
Therm 1 (negative leaf thermistor lead) |
Excitation channel (excitation for leaf and bud thermistor) |
Therm 1 (positive leaf thermistor lead) |
Therm 2 (positive bud thermistor lead) |
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Therm 2 (negative bud thermistor lead) |
Shield/Ground |
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SF-421 |
Serial # 0-1013 |
SDI-12 Data Line |
Input Power (4.5-24 V DC) |
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Ground (shield wire) |
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Serial # 1014 and above or if sensor has a connector |
Ground |
Input Power (5.5-24 V DC) |
SDI-12 Data Line |
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Shield/Ground |
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SU-100 |
Serial # 0-2481 |
Negative (signal from sensor) |
Positive (signal from sensor) |
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Shield/Ground |
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Serial # 2482 and above or if sensor has a connector |
Negative (signal from sensor) |
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Positive (signal from sensor) |
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Shield/Ground |
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SU-200 |
Serial # 1001 and above or if sensor has a connector |
Negative (signal from sensor) |
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Positive (signal from sensor) |
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Shield/Ground |
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SU-202 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
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Shield/Ground |
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SU-205 |
Serial # 1001 and above or if sensor has a connector |
Ground |
Input power (3.3-24 V DC or 5.5-24 V DC) |
Amplified signal output |
Shield/Ground |
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SB-100 |
Serial # 0-2404 |
Signal output; connect to single-ended channel |
Input Power; connect to 5 V |
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Ground for signal output; connect to analog ground |
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Serial # 2405 and above or if sensor has a connector |
Ground for signal output; connect to analog ground |
Input Power (5 V) |
Signal output (connect to single-ended channel) |
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Shield/Ground |
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