The document is an introduction to a product of a certain brand and model, providing detailed description of its features and characteristics.
The TH135 is a humidity controller that uses the dry‑wet‑bulb method with two Pt100 temperature sensors to measure and control relative humidity in demanding environments. The manual explains its features, communication options, output types and safety information.
It includes sections on model definition, mechanical installation, electrical connections, panel description, operation instructions, software parameter configuration, PID self‑tuning, principle of measurement and a full technical data sheet. This manual is written in Chinese.
| Power supply voltage range | 85~264V AC; 45/60Hz |
|---|---|
| Operating temperature | 0~50 °C |
| Relative humidity range | 0.0~99.9% RH |
| Temperature measurement range | -99.9~200.0 °C |
| Relay contact rating | max.250V AC, 3 A |
| Analog output ranges | 0‑10 mA, 4‑20 mA, 0‑5 V, 1‑5 V, 0‑10 V |
| Physical dimensions | 96 mm × 96 mm × 100 mm (W×H×D) |
| Communication interfaces | RS‑485 (2‑wire), RS‑232 (3‑wire) |
| Sensor type | Two Pt100 temperature sensors (dry and wet bulb) |
| Measurement accuracy | ±3% RH |
It supports RS‑485 (2‑wire) and RS‑232 (3‑wire) with electrical isolation.
It uses two Pt100 sensors to measure dry‑ and wet‑bulb temperatures and calculates relative humidity from the temperature difference.
It can measure temperatures from –99.9 °C to 200.0 °C.