Power Supply: (SC units) 85 to 265 VDC/VAC 50 to 400 Hz (12-24 VDC, VAC 50-400 Hz for Low Voltage Option, SCL units).
Isolation: 1500 V rms between outputs, input, and power.
Set Points: Adjustable 0 to 100% of span.
Deadband: Adjustable 0.25 to 100% of span.
Drift: ±0.02%/°C typical ±0.05%/°C maximum.
Ambient Temperature Range: (Operating) 32 to 131°F (0 to 55°C). (Storage) -40 to 176°F (-40 to 80°C).
Excitation Current: (SC1490) Cu10Ω = 5 mA; Plt 100Ω, Ni 100Ω,Ni 120Ω = 500µA; Plt 500Ω, NiFe 1000Ω = 100 µA; Plt 1000Ω = 50 µA.
Lead Compensation Error: (SC1490) = 0.02%/Ω.
Open Lead Protection: (SC 1490) Upscale only.
Input Impedance: (1290) 3 megohms.
Sensor Burnout Protection: Selectable, upscale or downscale on 1290.
Relay Output: Form C, SPDT, one per set point, 5A @ 250 VAC, resistive.
Latch Circuit Reset: Automatic at power up. Manual with reset switch on front of module.
Indicators: One dual color LED per set point. Red = relay on, green = relay off.
Wiring Terminals: Screw driven compression type.
Dimensions: 2.95" H x 0.89" W x 3.89" D (75 x 22.5 x 98.5 mm).