Description
Compact, wide bandwidth strain gauge/loadcell amplifier and isolator. With standard input ranges anywhere from ±10 mV to ±1 000 mV. Analogue design for fast response and low noise along with 6 to 20 kHz bandwidth depending upon gain required.
Integral bridge reference power supply 5.000 or 10.000 V - DIP switch selectable and trimpot adjustable.
Specifications
- Standard input signal ranges of ±10 mV, 0-10mV, ±20 mV,
0-20mV and many others up to ±1 000 mV. - High quality instrumentation amplifier front end.
- Input impedance >3 MΩ.
- Loadcell resistance minimum: 250 Ω.
- Five wire loadcell connections.
- High speed optical isolation > 2 kV.
- -3dB bandwidth 6 kHz for ±10 mV input, 10 kHz for ±20 mV input, 15kHz for ±40 mV input.
- Step response without filter: approximately 40 μS.
- Ultra precision internal voltage references for both input and output circuits.
- Voltage output signal ranges of 0-10V, ±10 V, 0-5 V or ±5 V.
- Current outputs 0-20 mA and 4-20 mA.
- Output load >2 kΩ for the voltage output.
- Multi-turn trimpot adjustment for Output Zero and Span and
Input Zero and Span. - 10% over-range capability.
- Linearity better than 0.25% of full scale.
- Excitation switch selectable: 5.0 V and 10.0 V and trimpot adjustable, current limited.
- Auxiliary supply AC: 90 – 264 VAC, 47 – 63 Hz or 120 – 370 VDC.
Auxiliary supply DC: 24 VDC, 12 VDC -5%, +10%, 9 - 18 VDC, 18 – 36 VDC, 36 – 72 VDC. - Isolation power in to input and output: 1000 VDC for DC powered versions and 3750 VAC for mains powered versions.
- Operating temperature -10 to 60°C.
- 24 hour operational burn-in.
- Calibration sheet provided for each unit manufactured.
- DIN rail mounting.
- Screw terminal connections.
- Dimensions 40 x 80 x 85 mm (W x H x D).
- Weight packaged = 160g, unpackaged = 130g.
Documentation
Applications
- Shock or impact testing of materials.
- Load testing of seatbelts.
- Apple Weighing.
- General loadcell or strain gauge interfacing.