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Industrial Humidity Transmitter Vaisala HMT331 for HVAC
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Vaisala HMT331
Reliable humidity and temperature measurement for demanding industrial environments
| Brand | Vaisala |
| Model | HMT331 |
| Voltage | 24V DC |
| Country of Origin | Finland |
| Weight | 0.25 kg |
| Dimensions | 120x80x40 mm |
| Warranty | 6 months |
| Certifications | CE, FCC, NIST |
| SKU / MPN | HMT331 |
| What’s in the box | Transmitter unit, mounting bracket, manual, calibration certificate |
| Measurement Range | 0-100% RH, -40 to +80°C |
| Accuracy | ±1.5% RH, ±0.3°C |
| Output Signal | 4-20 mA, RS-485 |
| Response Time | 15 seconds |
| Operating Temperature | -40 to +80°C |
| Protection Class | IP66 |
Key benefits: High accuracy, long-term stability, easy installation, robust IP66 housing, low maintenance
Typical applications: HVAC, cleanrooms, greenhouses, data centers, pharmaceutical storage, food processing
Lifecycle: Active product with long-term support and availability
1 review for Industrial Humidity Transmitter Vaisala HMT331 for HVAC
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Michael T. –
Solid relay modules, good switching capacity. Perfect for our automation panel.