High Speed Strain Gauge Amplifier/Isolator

Specifications

• Loadcell resistance minimum: 250 Ω.
• Excitation switch selectable: 5.0 V and 10.0 V and trimpot adjustable, current limited.
• Step response without filter: approximately 40 µS.
• Filter DIP switch selectable: off, 100 Hz, 10 Hz.
• Outputs: 0-20 mA, 4-20 mA, 0-10 V, ±10 V.
• Ultra precision internal voltage references for both input and output circuits.
• Five wire loadcell connections.
• Output Zero and Span trim adjustment: via multi-turn trimpots on the front of the unit.
• Tare adjustment for weighing applications: 0 to 90% of range using DIP switches.
• Span adjustment for weighing applications: 1, 2, 5, 10 (so 10% input range can be spanned to full scale output).
• Loadcell sensitivities: 1 mV/V, 2 mV/V, 3 mV/V, 4 mV/V, 5 mV/V, 10 mV/V, 15 mV/V, 20 mV/V and higher.
• Front end gain DIP switch selectable: approximately 2, 10, 50, 100, 500, 1000.
• Front end zero and full scale trim: via multi-turn trimpots on front of unit beneath decal.
• Output load >2 kΩ for the voltage output and 500 Ω maximum for the current output.
• Linearity: better than 0.1% of full scale.
• Auxiliary supply AC: 115 VAC, 230 VAC, 90–240 VAC or 120–370 VDC, 47–63 Hz.
• Auxiliary supply DC: 24 VDC or 12 VDC -5%, +10%.
• Internal fuse protection and surge and spike protection.Reverse input polarity protection for DC versions.
• Operating temperature: -10°C to 60°C.
• 24 hour operational burn-in.Calibration sheet provided for each unit manufactured.
• Isolation, input to output: 1000 VDC.
• Isolation power in to input and output: 1000 VDC for DC powered versions and 3750 VAC for Mains powered versions.
• DIN rail mounting with dimensions 25 x 80 x 85 mm (W x H x D).
• Weight packaged = 160g, unpackaged = 130g