Bachmann DMS202 Strain Gauge Input Module

Overview:

• The Bachmann DMS202 Strain Gauge Input Module accurately measures strain gauge signals with rapid sampling rates.
• Features two channels, microcontroller-based design, and a carrier frequency of 5 kHz for precise measurements.

Technical Specifications:

Bridge Supply:

• Carrier Frequency: 5 kHz ±2%
• Amplitude: 4 VRMS ±2%
• Synchronization of 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 for the System: 500 V
• Monitoring of 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

External Power Supply:

• Voltage Range: 18 V DC to 34 V DC
• External Current Consumption: 100 mA at 24 V DC
• Reverse Polarity Protection: Yes
• Galvanic Isolation for the System: 500 V

Weight:

• 3.00 lbs

Approvals/Certificates:

• General: CE, UKCA, cULus, CCC

Environmental Conditions:

• Operating Temperature: 0 °C to +60 °C
• Relative Humidity, Operation: 5 % to 95 % noncondensing
• Storage Temperature: -40 °C to +85 °C
• Relative Humidity, Storage: 5 % to 95 % noncondensing
• Pollution Degree acc. IEC 60664-1: 2 (noncondensing)