Loop DC or AC Power Transmitter 250T-TC

The Acromag 250T-TC, 350T-TC, 450T-TC are a Loop, DC or AC Power Transmitter. Module.

Firstly, they provide 3-way isolation – Input, Output and Power Circuits all isolated from each other. Performance Specifications consists of: Input Ranges Thermocouple types J, K, T, R, S, E, B. Linearised thermocouple (custom ranges).

Output Ranges

DC Current: 4 to 20mA.

DC voltage: 0 to 5V or 0 to 10V.

Power Requirements:

250T: 12 to 50V DC @ 20mA (loop-powered).

350T: DC Voltage Source

Output Range Power

4 to 20mA 10 to 36V DC @ 30mA

0 to 5V 10 to 36V DC @ 9mA

0 to 10V 12.5 to 36V DC @ 9mA

450T: 115V or 230V AC, ±10%, 50 to 60Hz

Output Range Power

4 to 20mA 115V AC @ 0.050A

4 to 20mA 230V AC @ 0.025A

0 to 5V, 0 to 10V 115V AC @ 0.020A

0 to 5V, 0 to 10V 230V AC @ 0.010A

Ambient Temperature Range

Operating: -25 to 85°C

Storage: -40 to 85°C

Accuracy: ±0.1% of calibrated span or ±0.01mV, whichever is greater. Includes repeat-ability, hysteresis, terminal point linearity, and adjustment resolution.

Features of the Loop, DC or AC Power Transmitter 250T-TC, 350T-TC, 450T-TC includes:

• Excellent accuracy and stability ensure reliable measurements in harsh industrial environments
• Field-selectable input types reduce stocking requirements
• Thermocouple reference junction compensation reduces drift and corrects non-linearity
• TC lineariser (5-slope) improves accuracy
• TC break detection indicates open circuit failures with selectable up/downscale operation
• RFI and EMI resistance minimize the effects of environmental noise 75% span adjustment enables precise application calibration 1500V AC peak isolation (250V AC or 354V DC continuous) prevents ground loops
• 250T models: Input isolated from output/power
• 350T models: Input isolated from output and power. Output and power share a common
• 450T models: 3-way isolation. Input, output, and power circuits are isolated from each other
• Operating temperature range: -25 to 85°C
• DIN rail G or T mount
• No certification/approval required

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