• Strain gage sensor amplifier
• 8 Vdc to 32 Vdc supply voltage
• NEMA 4 or IP66 housing
• Constant voltage mode: 5 Vdc @ 2 mA max. (3K to 10K
Ohm)
• Constant current mode: 0.5 mA with 3 V compliance (2K to
6K Ohm)
• Lightning protection
• 4-20 mA two-wire analog output
• Increases signal-to-noise ratio in noisy environments
• Effects of voltage drops in excitation sources are eliminated
• Signals may be sent to the data systems from low impedence
sources
The Model U2W amplifier supplies a highly regulated bridge
excitation voltage for the transducer and converts the millivolt
signal of the transducer to a 4 mA to 20 mA two-wire current
output signal.
Number of channels 1
Case material Plastic or painted Aluminum
Mounting Use #6 or #8 screws
Temperature, operating -29 °C to 70 °C [-20 °F to 158 °F]
Sealing IP66 or NEMA 4
Lightning protection Yes
Transducer type Bridge-based sensor
Transducer bridge excitation and resistance
Constant voltage mode 5 Vdc @ 2 mA max.; 3K ohm to 10K ohm
Constant current mode 0.5 mA with 3 V compliance; 2K ohm to 6K ohm
Supply voltage 8 Vdc to 32 Vdc
Frequency response 1 kHz @ 2 mV/V
Zero adjustment range ±15 % fine
Span adjustment range Jumper selectable and ±20 % fine adjustment
Shunt calibration Solid state relay on board
Signal output 4 mA to 20 mA (two-wire)
Not RoHS compliant
