
WP-9000 series thermal resistance temperature transmitter
WP-9000 series thermal resistance temperature transmitter is to isolate and convert the on-site thermal resistance signal into a linear DC signal and output it to the control system or other unit combination meters.
Intelligent thermal resistance temperature transmitter. Users can configure and set the thermal resistance type and measuring range through software.
This temperature transmitter needs independent power supply, electromagnetic isolation between power supply-input circuit-output circuit.
◆ Features
● Two-wire or three-wire thermal resistance temperature signal input, isolated transmission output.
● Intelligent, can carry out on-site configuration settings. You can also select a fixed thermal resistance type and temperature range input.
● Modular watch movement design, no need for zero and full scale adjustment, automatic dynamic calibration of zero point, automatic temperature drift compensation.
● With working power indicator.
● Input circuit overcurrent protection.
● Plug and unplug terminal blocks, DIN rail card installation.
● Power supply
Power connection: independent terminal 13 -, 14 +, can be plugged and unplugged
Power supply voltage: (20~30) VDC
Current consumption: at 24VDC, <30mA (one in and one out)
<45mA (one input and two output)
Power indicator: power on, LED light on: green
● Input signal
Input thermal resistance type: Pt100, Pt10, Cu50, Cu100 and other types of thermal resistance
Lead resistance: each wire ≤ 5Ω
● Output signal
Output current: (4~20) mA
Allowable load during current output: 0~350Ω (4mA~20mA, 0~20mA output)
Output voltage: (1~5)V
Voltage output impedance: ≤500Ω
ripple (Vp-p): <10mV
● Performance Index
Standard accuracy: ±0.5%FS, ±0.2%FS
Temperature drift: ±0.015%/℃
Response time: ≤1s (10 → 90)%
Stable time: ≤3s
Influence of power supply voltage fluctuation: ±0.1% (allowable voltage range)
Influence of load resistance change: ±0.1%/250Ω
Channel isolation: isolation between input-output-power supply
Insulation resistance: ≥100MΩ/500VDC (AC)
Isolation capacity: 1500VAC/1 minute 50Hz
Anti-electromagnetic compatibility: in line with IEC 61000 related anti-electromagnetic standards
● Environmental parameters
Working temperature: (-20~+60)℃
Storage temperature: (-40~+80)℃
Environmental humidity: (5~+95)%RH (no condensation)
● Structure
Clip-on type; Modular watch core; ABS material case; Plug-in terminal
Machine weight: about 115g
◆ Dimensions
Dimensions: width × height × depth = 16 × 116 × 110 (mm)
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