Specifications | LWEH-6L 6 Channel Rotating Amplifier Module

PARAMETER	SPECIFICATION
BRIDGE EXCITATION
Type	DC Constant Voltage (Bipolar excitation)
Magnitude	10 Volts
Accuracy	0.40%
Temperature Coefficient	0.0005%/°C Max (0.00028 %/°F)
Current Limit	84 mA/channel
REMOTE CALIBRATION	Positive & negative shunt calibration
Shunt Resistance	Matched to Wheel Load Transducer Range
Shunt Accuracy	0.50%
GAIN	Matched to Wheel Load Transducer Range
Range w/ jumper	100 & 2000 V/V
w/ external resistor	100 through 2000 V/V
Accuracy @ 25°C, Gain =100 @ 25°C, Gain =1000	±0.05 %typ (±0.50 % max) ±0.50 %typ (±1.0 %max)
Temperature Coefficient	0.0025 %/°C (0.0014 %/°F)
OUTPUT
Range	±10V Max
Capacitive Load	1000 pF Max
VOLTAGE OFFSET	Referred to input of amplifier
Initial @ 25°C	±10 µV
Temperature Stability	±0.1 µV /°C
Time Stability	±1.0 µV / Month
DC CMRR	160 dB
Noise rti 0.01 to 10 Hz	0.7 µV p-p
DYNAMIC RESPONSE
Frequency Response @Gain=1000 -3dB @ Gain=100	1 kHz 10 kHz
Slew rate	0.5 V/ µs
Settling Time to 0.01%@ Gain=100	145 µs
POWER REQUIREMENTS
Voltage @ 25°C	±13 to ±17 VDC
Current	±100 mA plus Bridge Load (+100 mA additional during shunt calibration)
ENVIRONMENT
Specification	-25 to +85°C (-13 to +185°F)
Operation	-55 to +125°C (-67 to +257°F)
MECHANICAL
Weight	1.2 kg (2.5 lbs)

Michigan Scientific Corporation