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Series SC448 & SCL448 Strain Gauge and Bridge Transmitter

Selectable Fixed or Variable Excitation Supplies, Selectable Input/Output
 

The SC448 and SCL448 Strain Gauge and Bridge Isolators/Transmitters allow low cost retransmission of any Strain Gauge or Bridge circuit. Featuring two fixed and two variable excitation supplies, they can isolate and retransmit to a wide variety of external devices with standard process signals.

The SC448 operates on line power (85 to 265 V DC or AC, 50 to 400 Hz) so no extra power supply is needed.

The SCL448 operates on low power (9.6 to 28 V DC or AC, 50 to 400 Hz) for systems that work exclusively at low voltages.  Dimensional Information

SPECIFICATIONS

Power Supply
  SC448: 85 to 265 VDC/VAC 50 to 400 Hz.
  SCL448: 9.6 to 28 VDC/VAC 50 to 400 Hz.
Power Consumption: 2VA.
Isolation: 1800 VAC.
Ambient Temperature Range
  Operating: 32 to 131°F (0 to 55°C).
  Storage: -40 to 176°F (-40 to 80°C).
Humidity Conditions (non-condensing): 0 to 90% up to 40°C , 10 to 50% at 55°C.
Linearity: 0.1% of span.
Drift: ±0.02% per °C typical, ±0.05% maximum.
Response Time: 2mS, 90% step change.
Input: ±10 mV to ±200 mV, direct or reverse acting.
Input Impedance: >10 Megohms.
Zero Adjustment: 50% of full scale (-25% to +25%).
Span Adjustment: 60% of full scale (-50% to +10%).
Output Ranges: 0 to 1 V, 0.2 to 1 V, 0 to 5 V, 1 to 5 V, 0 to 10 V, 2 to 10 V, 0 to 1 mA, 0.2 to 1 mA, 0 to 5 mA, 1 to 5 mA, 0 to 10 mA, 2 to 10 mA, 0 to 20 mA, 4 to 20 mA.
Current Output Compliance: 12 V.
Maximum Current Output Load: 600 ohms.
Maximum Voltage Output Current (Minimum Voltage Output Load): 20 mA (500 ohms).
Weight: 4.5 oz (128 g).

 
INPUT RANGES OUTPUT RANGES
Range Span (zero based) Span (bi-polar) Range (zero based) Range (0+20%) Range (bi-polar)
10 mV
0 to 10
-5 to +5
0 to 1 V
0.2 to 1
-1 to +1
20 mV
0 to 20
-10 to +10
0 to 5 V
1 to 5
-5 to +5
50 mV
0 to 50
-25 to +25
0 to 10 V
2 to 10
-10 to +10
100 mV
0 to 100
-50 to +50
0 to 1 mA
0.2 to 1
-1 to +1
200 mV
0 to 200
-100 to +100
0 to 5 mA
1 to 5
-5 to +5
 
 
 
0 to 20 mA
4 to 20
-20 to +20
 
Popular Models:
Model Number Description
 SC448 Isolated Thermocouple Transmitter
 SCL448 Isolated Thermocouple Transmitter, Low Voltage
 
 
 
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