Our Standard Certifications
Temperature and Humidity Transmitter – TRH-554-WP
The TRH-554-WP Temperature & Humidity Transmitter boasts highly accurate digital sensor technology ensuring swift and dependable readings. With a temperature range spanning from -20 to 60°C and a humidity range of 0 to 100% RH, it guarantees precise measurements with an accuracy of ±0.5°C for temperature and ±2% RH for humidity. Featuring a user-friendly interface with three keys for easy handling and programming, this transmitter also offers password-protected settings and software calibration for enhanced control and security. Its compact design and weatherproof housing, rated IP-65, make it suitable for a variety of applications including clean rooms, pharmaceutical facilities, and indoor air quality monitoring. With optional alarm relay contacts and isolated RS-485 communication, this transmitter ensures comprehensive monitoring and control, making it an ideal solution for critical environments where precise climate control is essential.
1. Temperature and Humidity Transmitter with highly accurate digital sensor technology ensures fast and reliable output.
2. Temperature and Humidity Transmitter provides wide temperature range from -20 to 60°C with an accuracy of ±0.5°C.
3. Relative humidity range from 0 to 100% RH with an accuracy of ±2% RH.
4. Long-term stable output for both temperature and relative humidity measurements.
5. Digital display of temperature and relative humidity on a seven-segment display.
6. Standard 4-20mA signal outputs with configurable range for easy integration.
7. Easy handling and programming facilitated by three keys.
8. Password-protected programming with the ability to change passwords for added security.
9. Software calibration available for both temperature and relative humidity adjustments.
10. Flash memory ensures data security during power failures.
11. Optional two alarm relay contacts with configurable alarm levels and one fail-safe relay.
12. Optional isolated RS-485 communication port with MODBUS RTU protocol.
13. Compact size for easy installation in various environments.
Technical Specifications:
1. Sensor Type: Capacitive polymer sensor.
2. Measurement Range: -20 to 60°C for temperature and 0 to 100% RH for relative humidity.
3. Display: Two-line, four-digit 13mm (H) seven-segment display with eight LEDs to indicate instrument status.
4. Control Action: Two independent alarm set points with latch and non-latch facility, user-selectable hysteresis.
5. Performance Accuracy: ±0.5°C for temperature, ±2% RH for relative humidity, response time approximately 5 seconds.
6. Electrical: Supply voltage 18 to 36 VDC, typically 24VDC, power consumption less than 3.5 Watts, cable: three wires (1.5 mm) flexible or armored shielded cable.
7. Error Monitoring: Displays ‘SEnS OPEn’ during sensor break/open, ‘OVER’ for over-range, and ‘UNDER’ for under-range, with corresponding output currents.
8. Output Signal: Two 4-20mA current outputs with configurable range selection, optional three SPDT relays for alarms and failsafe, optional isolated RS-485 communication port.
9. Environmental: Operating temperature -15 to +55°C, humidity less than 95% non-condensing.
10. Accessories: Certified 24VDC power supply, canopy mounting stand, SCADA software, RS-485 to USB converter, RS-232 to RS-485 converter, hooter cum flasher.
11. Weatherproof Housing: IP-65 protection class with polycarbonate gray-colored cabinet material, thermoplastic cable gland (IP 68) for cable entry, dimensions vary with cable entry, suitable for wall, stand, or duct mounting, weight approximately 370 grams.
| Clean Rooms | Server Room |
| Pharmaceutical | Hospitals / Labs |
| Walk-in-cooler | Greenhouse Breeding |
| Warehouse / Cold Room | Indoor Air Quality (IAQ) |
| Air Condition Room | Energy Management System (EMS) |