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The DataNet data loggers support the following sensor inputs:

4 to 20 mA
Range: 4 to 20 mA
Resolution: 4.76 µA
Accuracy: ±0.5%
Loop impedance: 21 Ω
Maximum load: 30 mA, 5.2 V

0 to 50 mV
Range: 0 to 50 mV
Resolution: 3 µV
Accuracy: ±0.5%
Input impedance: 25 MΩ
Maximum voltage: 5.2 V

0 to 1 V
Range: 0 to 1 V
Resolution: 200 µV
Accuracy: ±0.5%
Input impedance: 25 MΩ
Maximum voltage: 5.2 V

Temperature PT-100 (2 wires) *
Range: -200 to 400 ºC
Resolution: 0.1 ºC (7 mΩ)
Accuracy:
   -200 to 60 ºC ±0.5%
    60 to 400 ºC ±0.5%
   -60 to 60 ºC ±0.3 ºC

Temperature Thermocouple J
Range: -200 to 1,000 ºC
Resolution: 0.1 ºC (1µV)
Accuracy:
   -200 to -60 ºC ±0.5%
    60 to 1,000 ºC ±0.5%
   -60 to 60 ºC ±0.5 ºC
Cold junction compensation: ±0.3 ºC

Temperature Thermocouple K
Range: -250 to 1,000 ºC
Resolution: 0.1ºC (1 µV)
Accuracy:
   -250 to -60 ºC ±0.5%
    60 to 1,000 ºC ±0.5%
   -60 to 60 ºC ±0.5 ºC
Cold junction compensation: ±0.3 ºC

Temperature Thermocouple T
Range: -200 to 400 ºC
Resolution: 0.1ºC (1 µV)
Accuracy:
   -200 to -60 ºC ±0.5%
    60 to 400 ºC ±0.5%
   -60 to 60 ºC ±0.5 ºC
Cold junction compensation ±0.3 ºC

Pulse Counter (Input 4 only)
Zero crossing detector
Range: 1 to 65,536 counts
Resolution: 1 count
Frequency range: 0 to 4,000 KHz
Input signal: 0 to 5 V
Input impedance: 470 Ω

Frequency (Input 4 only)
Zero crossing detector
Range: 20 Hz to 4 KHz
Input signal: 0 to 4000 Hz
Input impedance: 470 Ω

Dry Contact
Range: Open/Closed

Internal Temperature (Logger model: DNL 910)
Type: PT-100
Range: -20 to 50 ºC
Resolution: 0.1 ºC (1µV)
Accuracy: ±0.3 °C

Internal Temperature (Logger model: DNL 920)
Type: Digital
Range: -20 to 50 ºC
Resolution: 0.1 ºC (1µV)
Accuracy: ±0.5 °C

Internal Humidity (Logger model: DNL 920)
Range: 5 to 95 %
Resolution: 0.5%
Accuracy (in software): 3% at 5 to 95%, 5% at 5 to 10% and 90 to 95% 

* PT-100 External Sensor also available from Fourier Systems
Range: -70 to 400 ºC
Teflon cable length: 2.5, 4 or 6 meters
Teflon cable range: -65 to 200 ºC
Probe diameter: 6 mm
Probe length: 81 mm