DEWEnet » Hardware » CANLOGw - waterproof » CANLOG modules - STG4-Sw
  • Highest precision isolated strain gage input
  • DC or AC (square) excitation
  • Static strain measurements (automatic drift compensation)
  • 1000 S/sec simultaneous sampling rate
Channels 4 Strain gage for full bridge (6 or 4 wire) or half bridge (3 or 5 wire)
ADC type 24 bit delta-sigma
System Sample rate 1000 S/sec, simultaneous (50 S/sec AC excitation)
Bridge ±40 mV/V
Accuracy ±0.03 % of reading ±1 µV/V( @DC excitation)
Typical noise at 200 S/s (10 S/s) 0.05 µV/VRMS (0.01 µV/VRMS)
Gain drift Typ. 2 ppm/K (max. 5 ppm/K)
Offset drift 0.04 µV/V/K @ DC excitation, 0.00 µV/V/K@AC excitation
Input coupling DC
Input impedance 1 GΩ
Excitation +2.5 VDC or 2.5 VAC (Square)
Current limit 30 mA
Accuracy ±1 mV
Excitation drift 25 ppm/K
Protection Continuous short to ground
Isolation voltage ±500 V channel/ground & channel/channel
Bandwidth 50 Hz DC excitation, 12 Hz AC excitation
Power consumption 2.7 W 1000 Ω full bridge, 3.5 W 120 Ω full bridge
Input connector Lemo 1B, 10 pin
Weight 135 g
Operating temperature -40°C .. +85°C (-40°C .. +75°C with 120 R bridge resistance)