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Inputs: 1
Sensor type: Platinum and other RTDs
Measurement type: 4-wire
Excitation (constant current): 1.0 mA ± 0.1 %; 10 µA ± 0.1 %
Sensor units: Ohms
Input range: 0 Ω to 1400 Ω (1 mA excitation),
0 Ω to 140 kΩ (10 µA excitation)
Calibration curves: DIN 43760 plus 1 user curve, 256 points
Temp. range (typ.): 1.4 K to 873 K (sensor dependent)
Display res.: 4 digits
Interface res.: 1 mΩ / 100 mΩ (1 mA / 10 µA)
Meas. res.: 1.2 mΩ / 120 mΩ (1 mArms / 10 µArms)
(1 mArms / 10 µArms)
Accuracy (23±1°C): 5 mΩ / 0.5 Ω + 0.01 % (1 mA / 10 µA)
Temp. coefficient: ±5 ppm/°C
Common Specifications:
Measurement rate: 5 readings per second
Scaled analog out: ±10 VDC full-scale range
Full scale: 10 K, 100 K or 1000 K
Resolution: 300 µV
Accuracy: 1 mV
Monitor analog out:
Offset: <20 µV (typical)
Bandwidth: 4 kHz
Operating temp.: 0 °C to 40 °C (non-condensing)
Interface: Serial via SIM interface
Power (max.): Power supplied by the SIM900 Mainframe, or optionally by a user-supplied DC power supply (±15 V and +5 V).
Dimensions: 1.5" × 3.6" × 7.0" (WHL)
Weight: 1.4 lbs.
