Overview: The TRH-200 series transmitters are designed for ease of operation, installation, and maintenance. They are characterized by high accuracy, stability, and resistance, making them suitable for chemical and dust environments. These transmitters provide electrical signal outputs for monitoring, control, and process applications.
Applications: The transmitters are used in process control systems, warehouse monitoring, HVAC, environmental studies, greenhouses, food processing, shipping and storage, refrigeration, weather monitoring, and data logging.
Features:- Low cost
- Compact size and easy mounting
- Available with current output (4 to 20 mA)
- Excellent long-term stability
- Fast, stable, and high accuracy
Models:- TRH-201: Temperature Transmitter
- TRH-202: Humidity Transmitter
- TRH-203: Temperature/Humidity Transmitter
Specifications:- Measuring Range: 0 ~ 100% RH for all models; temperature ranges vary and are order-specific
- Accuracy at 23℃: +/- 3% RH, +/- 0.4℃ (with power supply > 12V DC)
- Long-term Stability: Better than 2% RH per year (typical)
- Response Time: Less than 20 seconds (90% at +23℃ in moving air over 0.5M/s)
- Sensors: Humidity - Thin-Film capacitor; Temperature - RTD Pt100Ω IEC751, DIN43760
- Output Current: 4~20mA
- Power Supply: 9 ~ 40V DC, 5VDC
- Material of Probe: High-density Nylon with dust proof
- Ambient Temperature: -40 ~ +85℃ (-40~ +185 ℉)
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