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Fujian Shangrun Precision Instrument Co., Ltd
Home>Products>WP-9000 series thermistor temperature transmitter (output loop power supply)
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WP-9000 series thermistor temperature transmitter (output loop power supply)
The WP-9000 series thermistor temperature transmitter (output loop power supply) inputs the on-site thermistor temperature signal, isolates and conver
Product details

The WP-9000 series thermistor temperature transmitter (output loop power supply) inputs the on-site thermistor temperature signal, isolates and converts it into a linear (4-20) mA signal with temperature, and outputs it to the control system or other unit combination instruments. Some signal receiving devices come with a 24V power supply. Generally, temperature transmitters output active signals, which may cause power conflicts when connected. Using an output loop power supply type can avoid power conflicts and achieve signal isolation.

Intelligent thermal resistance temperature transmitter. It is possible to configure and set the type and range of thermal resistance.

This temperature transmitter has independent power supply mode and output circuit power supply interface requirements, with electromagnetic isolation between the power supply input circuit output circuit.

◆ Characteristics

● Two wire or three wire heating resistor temperature signal input, isolated transmission output (4-20) mA.

Output circuit power supply (12-35) V.

Intelligent, capable of on-site configuration settings. Fixed types of thermal resistors and temperature range inputs can also be selected.

Modular core design, no need for zero and full adjustment, automatic dynamic calibration of zero and automatic compensation for temperature drift.

Equipped with a working power indicator light.

● Input circuit overcurrent protection.

● Plug and unplug terminal block, DIN rail card installation.

● Working power supply

Power wiring: independent wiring terminals 13-, 14+, can be plugged and unplugged with power on

Power supply voltage: (20-30) VDC

Current loss:<25mA at 24VDC (one in one out)
< 35mA (one in and two out)

Power indicator: Power on LED light on: green


● Input signal

Input thermistor types: Pt100, Pt10, Cu50, Cu100, and other types of thermistors

Lead resistance: Each wire ≤ 5 Ω


● Output signal

Output current (Io): (4-20) mA

Output circuit power supply voltage (Uo): (12-35) V

Voltage drop (Ud): 5V

Allowable load during current output: RL ≤ (Uo Ud)/Io

Ripple (Vp-p): < 10mV


● Performance indicators

Standard accuracy: ± 0.5% FS, ± 0.2% FS

Temperature drift: ± 0.015%/℃

Response time: ≤ 1s (10 → 90)%

Stability time: ≤ 3s

Impact of power supply voltage variation: ± 0.1% (allowable voltage range)

Influence of load resistance change: ± 0.1%/250 Ω

Channel isolation: isolation between input output power supply

Insulation resistance: ≥ 100M Ω/500VDC (AC)

Isolation capability: 1500VAC/1 minute 50Hz

Electromagnetic compatibility: Complies with relevant electromagnetic standards of IEC 61000


● Environmental parameters

Working temperature: (-20~+60) ℃

Storage temperature: (-40~+80) ℃

Environmental humidity: (5~+95)% RH (without condensation)


● Structure

Card mounted type; Modular watch core; ABS material casing; Plug in terminal

Whole machine weight: approximately 115g


◆ External dimensions

Dimensions: Width x Height x Depth=16 x 116 x 110 (mm)

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