Temperature Transmitters
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LU-GSZ Intelligent RTD Temperature Transmitter
The LU-GSZ intelligent RTD temperature transmitter is used in automation control for industrial signal transmission, conversion, isolation and computation. It works with various industrial sensors to acquire signals and transmits them after isolation, meeting local monitoring and remote data acquisition needs.
Selection customization and technical solution support available. After-sales Service 0086-400-8875-999, Pre-sales Hotline 0086-0592-5711111
I. Overview
The LU-GSZ smart RTD temperature transmitter is an instrument for industrial signal transmission, conversion, isolation, and computation in automation control. It can be used with various industrial sensors to acquire signals and transmit them after isolation, meeting the needs of local monitoring and remote data acquisition.
It is widely used for data acquisition and signal transmission and conversion in industries such as semiconductors, photovoltaics, new energy, machinery, electrical, telecommunications, power, petroleum, chemical, steel, wastewater treatment, and building construction, as well as in industrial measurement and control systems such as PLC\DCS, where it complements and extends the system's analog I/O module functions and improves system applicability and on-site reliability.
It is widely used for data acquisition and signal transmission and conversion in industries such as semiconductors, photovoltaics, new energy, machinery, electrical, telecommunications, power, petroleum, chemical, steel, wastewater treatment, and building construction, as well as in industrial measurement and control systems such as PLC\DCS, where it complements and extends the system's analog I/O module functions and improves system applicability and on-site reliability.
II. Technical Parameters
(I) Input Parameters
| Type | Measuring range (°C) | Minimum span (°C) |
|---|---|---|
| Cu50 | -50-150 | 50 |
| Cu100 | -50-150 | 50 |
| Pt10 | -200-600 | 200 |
| Pt100 | -200-800 | 50 |
(II) Output Parameters
- Current output: 4-20mA (uses isolator power supply), allowable load ≤500Ω
- Voltage output: 1-5V, allowable load ≥10KΩ
(III) Environmental Parameters
- Power supply: DC24V±10%, ripple factor below 10% P-P, power consumption approx. 2W
- Operating temperature range: -5~+55°C
- Operating humidity range: 0~90% RH (non-condensing)
- Power indicator: red LED, lit steadily when powered
(IV) Performance Specifications (relative to full scale)
- Standard accuracy: ±0.3%
- Temperature coefficient: ±0.015%/°C
- Response time: ≤0.5S (0→90%)
- Effect of power supply voltage variation: ±0.1%/ allowable voltage range
- Insulation resistance: between input — output — power supply, 100MΩ or more / DC 500V
- Isolation strength: between input - output - power supply - ground, DC 1500V for 1 minute (DC power), AC 1500V for 1 minute (AC power)
- Effect of load resistance variation: ±0.1%/250Ω
- Power-on stabilization time: ≤3s
III. Selection Guide
Basic Model Classification
- LU-GSZ11×××: one input, one output
- LU-GSZ12×××××: one input, two outputs
- LU-GSZ22×××××: two inputs, two outputs
LU-GSZ Intelligent RTD Temperature Transmitter User Manual
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