DMS202

Product Overview

DMS202 is a Bachmann 2-Channel Strain Gauge Input Module designed for precise strain measurements with high resolution and fast conversion.

Bridge Supply

• Carrier frequency: 5 kHz ±2 %

• Amplitude: 4 VRMS ±2 %

• Synchronization of the carrier frequency: Optional

• Synchronization range: 5 kHz ±2 %

Strain Gauge Amplifier Input

• Input resistance: > 5 MΩ

• Effective bandwidth: 1 kHz

• Resolution: 12 bit

• Max. common mode input voltage: 10 V (no overdriving)

• CMRR (0 kHz to 5 kHz): > 80 dB

• Cable break monitoring: Yes, error message

• Galvanic isolation from the system: 500 V

• Monitoring of the external voltage: Yes, powerfail signal

• Conversion time: 12.5 µs for one channel, 25 µs for two-channel operation

• Measuring range: 2.0/4.0/8.0/16.0 mV or Auto Range

• Measurement range switching: Automatic or by software

Measurement Outputs

• Output voltage: 0 V to 10 V

• Internal resistance: < 2 Ω

• Load resistor: > 2.5 kΩ

Special Functions

• Peak value detection

• Electronic capacity adjustment

• Carrier frequency synchronization

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