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SIM922A & SIM923A Temperature Monitors

Manufactured by: SRS Stanford Research Systems

Quick Overview

Single-channel LED display
1.4 K to 475 K with Si, GaAs or GaAlAs diodes
1.4 K to 873 K with RTDs
Two analog outputs:
- Linearized V‚µT
- Sensor voltage (buffered)
Remote interface

The SIM922A Diode Monitor and the SIM923A RTD ..

Description

Description

Single-channel LED display
1.4 K to 475 K with Si, GaAs or GaAlAs diodes
1.4 K to 873 K with RTDs
Two analog outputs:
- Linearized V‚µT
- Sensor voltage (buffered)
Remote interface

The SIM922A Diode Monitor and the SIM923A RTD Monitor continuously read a single sensor and provide both digital and analog outputs. Based on the modular SIM platform, they provide high performance capability in a small footprint.

SIM922A

The SIM922A has a programmable, precision 10 µA current source to provide sensor excitation. Results can be displayed in either kelvins or volts.

SIM923A

The SIM923A has selectable 10 µA and 1 mA current sources to provide sensor excitation. Sensor resistance is determined ratiometrically with a half-bridge circuit consisting of the sensor and an internal reference resistor. The current to the sensor can be reversed by the user to test for any offset. Measurement results can be displayed in either kelvins or ohms.