Miniature Programmable Strain Gage Amplifier


Programmable Strain Gage Amplifier
High Precision Standard Precision
Electrical Output
Output Voltage 0.1 - 4.9 volts
Gain Range 3 to 1150*
Low Pass Filter
Cut-Off Freq.
80 Hz Standard, Optional 1Hz to 50kHz**
Offset Range 0.1 - 4.9 vdc
Gain Absolute Accuracy ±0.10% ±0.5%
  Typical Max. Typical Max.
Gain Temperature Stability 3ppm/°C 7ppm/°C 6ppm/°C 15ppm/°C
Offset Temperature Stability 2ppm/°C 5ppm/°C 4ppm/°C 10ppm/°C
Nonlinearity ±0.005%
Bridge Excitation Voltage 5.000 ±0.001 vdc
Bridge Voltage Stability 1.5 ppm/°C
Bridge Current - Max 30 mA
Electrical Inputs
Supply Voltage 8 to 36 Vdc
Bridge Resistance min 175Ω
Zero Drift Compensation Range ±60 mV
For 125°C operation
    (click for details)
175Ω Bridge, 9v max supply
350Ω Bridge, 13v max supply
1kΩ Bridge, 23v max supply
Calibrated Range -40 to 125°C
Functionally Tested -80 to 200°C
Internal Measurement Accuracy ±2°C
Remote Measurment Accuracy User Calibrated
External Temperature Sensor Diode or RTD
E+ short to ground Continuous ≤12 vdc supply
E+ short to ground 5 sec ≤40 vdc supply
SIG+ Output short to ground Continuous
Supply Voltage Reverse Polarity Protected
Part Numbers
    Base Part Number 1169-01-50-XXX X     Part Number suffix below
Low Pass Filter / Enclosure Chip Inline Tubular Screw-Term
    80Hz-HP 100 H 200 H 500 H 600 H
    1kHz-HP 100 A 200 A 500 A 600 A
    50kHz-HP 100 E 200 E 500 E 600 E
    15Hz-HP 100 J 200 J 500 J 600 J
Part Number Example 80Hz-HP Inline Enclosure  =  1169-01-50-200H

* Programmed to Customer Specification or User Configurable with optional Programmer

** Please consult Raetech for optional filter cutoff frequencies


For Additional Information or to Order Load Sensing Products Please Contact:

RAETECH Corporation 
4750 Venture Dr. Suite 100, Ann Arbor, MI 48108
Tel: 734-665-2215 Fax: 734-665-2626