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Humidity And Temperature Transmitter HMP110
Vaisala Humidity and Temperature Probe HMP110 is a trouble-free and cost-effective humidity transmitter with high accuracy and good stability. It is suitable for volume applications or integration into other manufacturers’ equipment. HMP110 is also suitable for glove boxes, greenhouses, fermentation and stability chambers, data loggers, and incubators.
Vaisala Official Distributor in Humidity, Dewpoint, Continuous Monitoring System (CMS) viewLinc (2015),
Temperature, CO2, Barometric Pressure, Moisture in Oil, Wind etc in Malaysia since 1990s
Models
| Model | Output | Special Features |
|---|---|---|
| HMP110 | RH + T | – |
| HMP110T | T | – |
| HMP110REF | – | Fixed output probe for validation of HMT120 and HMT130 transmitters |
Measurement Performance Relative Humidity
| Parameter | Specification |
|---|---|
| Measurement range | 0–100 %RH |
Accuracy
| Temperature | Accuracy |
|---|---|
| 0 to +40 °C (+32 to +104 °F) | ±1.5 %RH (0–90 %RH) ±2.5 %RH (90–100 %RH) |
| +40 to +80 °C (+104 to +176 °F) | ±3.0 %RH (0–90 %RH) ±4.0 %RH (90–100 %RH) |
Factory Calibration Uncertainty (at +20 °C / +68 °F)
- ±1.1 %RH (0–90 %RH)
- ±1.8 %RH (90–100 %RH)
Humidity Sensor Type
- HUMICAP® 180R
Stability Less than ±2 %RH over 2 years T90 Response Time
- With plastic grid filter: approximately 17 seconds
- With membrane filter: approximately 20 seconds
- With stainless steel sintered filter: approximately 60 seconds
Temperature
| Parameter | Specification |
|---|---|
| Measurement range | −40 to +80 °C (−40 to +176 °F) |
Accuracy (Analog Output)
| Temperature | Accuracy |
|---|---|
| 0 to +40 °C (+32 to +104 °F) | ±0.2 °C (±0.36 °F) |
| +40 to +80 °C (+104 to +176 °F) | ±0.4 °C (±0.72 °F) |
Accuracy (Digital Output)
| Temperature | Accuracy |
|---|---|
| 15 to +25 °C (+59 to +77 °F) | ±0.1 °C (±0.18 °F) |
| 0 to +15 °C (+32 to +59 °F) and +25 to +40 °C (+77 to +104 °F) | ±0.15 °C (±0.27 °F) |
| −40 to 0 °C (−40 to +32 °F) and +40 to +80 °C (+104 to +176 °F) | ±0.4 °C (±0.72 °F) |
Temperature Sensor
- Pt1000 RTD Class F0.1
- IEC 60751
Analog Outputs
| Parameter | Specification |
|---|---|
| Accuracy at +20 °C (+68 °F) | ±0.2 % of Full Scale |
| Temperature dependence | ±0.01 % FS/°C (±0.006 % FS/°F) |
Including non-linearity, hysteresis, and repeatability.
Operating Environment
| Parameter | Specification |
|---|---|
| Operating temperature | −40 to +80 °C (−40 to +176 °F) |
| IP Rating | IP65 |
Not applicable with the plastic grid filter.
Compliance
| Standard | Details |
|---|---|
| EU Directives and Regulations | EMC Directive (2014/30/EU) RoHS Directive (2011/65/EU) as amended by 2015/863 |
| Electromagnetic Compatibility (EMC) | EN 61326-1, Industrial Environment |
| EMC Emissions | CISPR 32 / EN 55032, Class B |
| Compliance Marks | CE, RCM, UKCA |
Inputs and Outputs
| Parameter | Specification |
|---|---|
| Power consumption | 1 mA average, maximum peak 5 mA |
Operating Voltage
| Configuration | Voltage |
|---|---|
| With 1 V / 2.5 V output | 5–28 V DC |
| With 5 V output | 8–28 V DC |
| With loop power converter | 8–28 V DC |
| With digital output | 5–28 V DC |
Start-up Time
| Probe Type | Response |
|---|---|
| HMP110 probes with analog output | 4 seconds at 13.5–16.5 V DC operating voltage 2 seconds at other valid operating voltages |
| HMP110 probes with digital output | 1 second |
Outputs
| Parameter | Specification |
|---|---|
| Analog outputs | 2 channels 0–1 V DC / 0–2.5 V DC / 0–5 V DC / 1–5 V DC |
| 1-channel loop-power converter | 4–20 mA (separate module compatible with humidity accuracy only) |
| Digital output | RS-485, 2-wire half duplex, supports Modbus RTU |
External Loads
| Output | Requirement |
|---|---|
| 0–1 V | Minimum 10 kΩ |
| Other voltage outputs | Minimum 50 kΩ |
Output Parameters The HMP110 measures:
- Relative humidity
- Temperature
- Dew/frost point temperature
- Wet bulb temperature
- Absolute humidity
- Mixing ratio
- Enthalpy
Use the lowest available operating voltage to minimize heating.
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Body thread | M12 × 1 / 10 mm (0.4 in) |
| Cable connector | M8 4-pin male (IEC 60947-5-2) |
Materials
| Component | Material |
|---|---|
| Body | Stainless steel (AISI 316) |
| Grid filter | Chrome-coated ABS plastic |
| Cable | Polyurethane or FEP |
Weight
| Configuration | Weight |
|---|---|
| Probe | 17 g (0.6 oz) |
| Probe with 0.3 m (1 ft) cable | 28 g (1 oz) |
Probe Dimensions
- Overall length: 71 mm (2.8 in)
- Thread: M12 × 1
- Probe diameter: 6 mm (0.24 in)