STAND ALONE / BENCH TOP LOAD CELL AMPLIFIER / CONDITIONER MODULE
MODEL TMO-2
The TMO-2 Transducer Modules is a complete differential amplifier/signal
conditioners with self contained power. The units provide excitation,
balance and span adjustment via precision 10 turn pots, and shunt
calibration necessary to couple a user supplied bridge type transducer
to an indicating instrument. Full scale output is specified at plus
or minus 10 VDC. The TMO-2 provides a floating shunt calibration circuit
which applies calibration at the transducer, thereby eliminating errors
due to line losses. The excitation supply incorporates a Wagner Ground
to greatly improve Common Mode Rejection. The factory set bandwidth
of the module is narrow to improve stability for applications such
as weighing scales. The removal of a single capacitor will increase
the frequency response DC to 10K Hz for dynamic data applications.
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SPECIFICATIONS
SIGNAL CONDITIONER
Type:
Full external bridge
Sensor Resistance:
120 to 1000 ohm
Balance Range:
±30% of output (350 ohm
bridge)
Shunt Calibration:
Single point momentary
Calibration Value:
1 mV/V resistor provided
BRIDGE AMPLIFIER
Type:
Bipolar differential
Gain Range:
67 to 737
Input Sensitivity:
1 mV/V to 10 mV/V
Input Impedance:
10 Megohm minimum
Output Voltage:
0 to 10 Volts (2 mV/Vspecs)
Output Current:
0 to 10 mA
Output Impedance:
75 ohm
CMR:
110 db minimum,
DC to 60 Hz
Noise and Ripple:
Less than 3 mVP-P
Nonlinearity:
.01% maximum
Accuracy:
± .05% of FS
FILTER
Type:
Low pass, 6 db, octave
Frequency:
16 Hz standard (160 and
1600 Hz available)
EXCITATION SUPPLY
Type:
Constant voltage
Output:
8 VDC ± .25V
Output Current:
0 to 120 mA
Current Limit:
Factory set at 65 mA
Load Regulation:
.1% maximum for 100%
load
change
GENERAL
Balance Stability:
.2% for 8 hours
Gain Stability:
.01% for 8 hours
Tempco:
.02% full scale/°C
Isolation:
1000 Megohm, output to AC
Operating Temp:
0 to 50°C
Size:
3 x 3.75 x 6.25 inches
Weight:
Less than 2 lbs. approx.
Fuse:
250 mA internal
Power:
115 VAC 10% 60 Hz 3
Watts
Order Code Model
Capacity Range
Description
Price
Quantity
Add to Cart
STAND ALONE / BENCH TOP LOAD CELL AMPLIFIER / CONDITIONER MODULE
MODEL TMO-2
The TMO-2 Transducer Modules is a complete differential amplifier/signal
conditioners with self contained power. The units provide excitation,
balance and span adjustment via precision 10 turn pots, and shunt
calibration necessary to couple a user supplied bridge type transducer
to an indicating instrument. Full scale output is specified at plus
or minus 10 VDC. The TMO-2 provides a floating shunt calibration circuit
which applies calibration at the transducer, thereby eliminating errors
due to line losses. The excitation supply incorporates a Wagner Ground
to greatly improve Common Mode Rejection. The factory set bandwidth
of the module is narrow to improve stability for applications such
as weighing scales. The removal of a single capacitor will increase
the frequency response DC to 10K Hz for dynamic data applications.
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