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SCT-30 Signal Conditioning Transmitter and Signal Indicator

SCT-30 Signal Conditioning Transmitter and Signal Indicator

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Maximum Control, Miniature Size 

For PLC systems that require weight data from a scale, Rice Lake’s compact SCT-30 transmitter delivers equivalent signal-conditioning function without the cost or bulk of a full-size weight indicator/controller. Rice Lake's SCT-30 models are DIN-rail mountable within a cabinet or control panel, where they convert a scale’s load cell signal to serial or analog output. Technicians and operators find the analog output signal particularly useful for monitoring hopper filling and discharge. Unlike many other signal transmitters, Rice Lake SCTs have their own integrated display, with annunciators for unit and weighing status, and push buttons or toggle switch and digital rotary for zero, tare and setpoint entry—ultimately simplifying scale setup, calibration and operation.


  • LCD display, 5 mm, eight digits

  • Powers up to eight (350 ohm) load cells in parallel (with a 24-bit A/D converter)

  • A/D converter 24-bit 4.8 kHz

  • 16-bit analog output: 0-20 mA, 4-20 mA, 0-5 V, 0-10 V, ±5 V, and ±10 V

  • Mounting on Omega/DIN rail for back panel or junction box

  • IP67-rated enclosed versions

  • Diagnostic message for load cell disconnect and over capacity errors


Input: 12 -24 VDC
Power consumption: 3 watts

Excitation Voltage:
5VDC, 120mA, 8 x 350Ω

Analog Signal Input Range:
+/- 39mV

Analog Signal Sensitivity:
0.1 µV/graduation minimum
1.0 µV/graduation recommended

A/D Sample Rate:
300 Hz

Internal resolution: 16 million counts
System linearity: ± 0.01% full scale

Serial Port:

Analog Output:
Optoisolated, 16 bit
0-20mA, 4-20mA (max 300 ohm)
0-10VDC, 0-5VDC (min 10k ohm)

Eight-digit alphanumeric tow line LCD, 5 mm high

Control knob and DIP switches

Temperature & Humidity:
Working Temperature: -4°F to 140°F (-20°C to 60°C) 
Humidity: 85% non-condensing

Dimensions (W x H x D):
SCT converter: 3.54 x 3.74 x 2.36 in 
(90 x 95 x 60 mm)
IP67 enclosure: 6.69 x 5.51 x 3.74 in 
(170 x 140 x 95 mm)

1 lb (0.5 kg)

DIN rail mount: NEMA Type 1
Sealed enclosure: NEMA Type 4/IP67, plastic enclousre, clear cover, six PG9 cord grips

One-year limited warranty

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