SRS SIM922 二极管温度控制器 (1.4 K - 475 K)

Inputs: 4

Sensor type: Silicon diode

Measurement type: 4-wire

Excitation: 4 constant current sources 10 µA ± 0.01 %, ±5 ppm/°C

Sensor units: Volts

Input range: 0 V to 2.5 V

Calibration curves: 1 standard, 4 user-defined curves, 256 points each

Temp. range (typ.):1.4 K to 475 K (sensor dependent)

Display res.: 4 digits

Interface res.: 1 µV

Meas. res.: 1.2 µVrms

Meas. acc. (23±1 °C): 0 µV + 0.01 % of reading

Temp. coefficient: ±5 ppm/°C

Common Specifications:

Operating temp.: 0 °C to 40 °C (non-condensing)

Interface: Serial via SIM interface

Connectors:

Two DB9 (female):

4 wire measurement + ground (Ch 1 & 2)

4 wire measurement + ground (Ch 3 & 4)

DB15 (male) SIM interface

Power: 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.