Vaisala HMP110 High-Accuracy Humidity and Temperature Probe

Vaisala HMP110 High-Accuracy Humidity and Temperature Probe

The Vaisala HMP110 is a compact, high-accuracy humidity and temperature probe for demanding volume applications and integration into equipment manufactured by third parties.

It combines ±1.5% RH measurement accuracy with excellent stability, a wide −40 °C to +80 °C operating range and a rugged IP65 stainless-steel housing. Every HMP110 is supplied with a calibration certificate.

Typical applications include clean room, stability chambers, incubators and data center.

Why Choose the Vaisala HMP110?

• High Humidity Accuracy Provides accuracy of ±1.5% RH from 0–90% RH at temperatures between 0 °C and +40 °C.
• Vaisala HUMICAP 180R Sensor Provides excellent long-term stability and high resistance to chemical exposure.
• Wide Measurement Range Measures relative humidity from 0–100% RH and temperature from −40 °C to +80 °C.
• Low-Power Operation Average current consumption of approximately 1 mA supports battery-powered applications.
• Fast Start-Up Digital models start in approximately one second, supporting intermittent and battery-powered measurements.
• Calibration Certificate Included Every probe is supplied with its own factory calibration certificate.
• Rugged IP65 Construction The sealed stainless-steel body is suitable for demanding operating conditions.
• Flexible Outputs Select from voltage outputs, an optional 4–20 mA converter or RS-485 Modbus RTU communication.

Available HMP110 Models

• Vaisala HMP110 Measures relative humidity and temperature with analog or optional digital outputs.
• Vaisala HMP110T Temperature-only version available with voltage output or RS-485 Modbus RTU communication.
• Vaisala HMP110REF Fixed-output reference probe for validating compatible HMT120 and HMT130 transmitters.
• Vaisala HMP110R Replacement-probe service option designed to simplify maintenance and minimise downtime.

Humidity Measurement Performance

• Measurement Range 0–100% RH.
• Accuracy at 0 °C to +40 °C ±1.5% RH from 0–90% RH and ±2.5% RH from 90–100% RH.
• Accuracy at −40–0 °C and +40–80 °C ±3.0% RH from 0–90% RH and ±4.0% RH from 90–100% RH.
• Factory Calibration Uncertainty at +20 °C ±1.1% RH from 0–90% RH and ±1.8% RH from 90–100% RH.
• Long-Term Stability ±2% RH over two years under typical operating conditions.
• Humidity Sensor Vaisala HUMICAP 180R capacitive thin-film polymer sensor.
• Response with Plastic Grid Filter Approximately 17 seconds for T90 response.
• Response with Membrane Filter Approximately 20 seconds for T90 response.

Temperature Measurement Performance

• Measurement Range −40 °C to +80 °C.
• Analog-Output Accuracy at 0 °C to +40 °C ±0.2 °C.
• Analog-Output Accuracy Outside the Central Range ±0.4 °C at −40–0 °C and +40–80 °C.
• Digital-Output Accuracy at +15 °C to +25 °C ±0.1 °C.
• Digital-Output Accuracy at 0–15 °C and +25–40 °C ±0.15 °C.
• Digital-Output Accuracy Outside the Central Range ±0.4 °C at −40–0 °C and +40–80 °C.
• Temperature Sensor Pt1000 RTD Class F0.1 according to IEC 60751.
• Analog Output Accuracy ±0.2% of full scale at +20 °C.

Calculated Humidity Parameters

• Dew Point and Frost Point Optional calculated dew-point or frost-point temperature output.
• Wet-Bulb Temperature Optional calculated wet-bulb temperature for environmental and HVAC applications.
• Absolute Humidity Optional calculated water-vapour concentration output.
• Mixing Ratio Optional calculated ratio of water vapour to dry air.
• Enthalpy Optional calculated enthalpy output for environmental-control applications.
• Configurable Output Parameters Output parameters depend on the selected analog or digital probe configuration.

Outputs and Communication

• Two Analog Channels Configurable voltage-output ranges include 0–1 VDC, 0–2.5 VDC, 0–5 VDC and 1–5 VDC.
• Optional 4–20 mA Output Available through a separate single-channel loop-power converter.
• Optional Modbus RTU Two-wire half-duplex RS-485 digital output supports Modbus RTU communication.
• Vaisala Insight Software Configure, analyse and adjust the probe using Vaisala Insight PC software.
• Vaisala Indigo80 Compatibility The probe can be connected to a Vaisala Indigo80 handheld indicator using the appropriate cable.
• Standard M8 Connector Detachable four-pin M8 quick connector simplifies installation and replacement.

Electrical Specifications

• Average Power Consumption Approximately 1 mA.
• Maximum Peak Consumption Approximately 5 mA.
• Supply for 1 V or 2.5 V Output 5–28 VDC.
• Supply for 5 V Output 8–28 VDC.
• Supply with Loop-Power Converter 8–28 VDC.
• Supply with Digital Output 5–28 VDC.
• Analog Start-Up Time Approximately two seconds at most valid operating voltages.
• Digital Start-Up Time Approximately one second.

Mechanical and Environmental Specifications

• Operating Temperature −40 °C to +80 °C.
• Protection Rating IP65 when fitted with an appropriate sensor filter.
• Probe Body AISI 316 stainless steel.
• Probe Dimensions Approximately 71 mm long and 12 mm in diameter.
• Body Thread M12 × 1 with a 10 mm thread length.
• Cable Connector Four-pin female M8 connector according to IEC 60947-5-2.
• Probe Weight Approximately 17 g without a cable.
• Probe with Short Cable Approximately 28 g with a 0.3 m cable.

Typical Applications

• Stability Chambers High-accuracy humidity and temperature measurement for controlled stability-testing environments.
• Incubators Reliable environmental measurement for laboratory, medical and life-science incubators.
• Glove Boxes Compact humidity and temperature measurement in controlled work chambers.
• Greenhouses Environmental measurement for horticulture, crop research and climate-control systems.
• Fermentation Chambers Accurate measurement for controlled fermentation and food-processing environments.
• Data Loggers Low-power humidity and temperature measurement for fixed and portable data-acquisition systems.
• Equipment Integration Integration into environmental chambers, analysers and equipment manufactured by third parties.
• Battery-Powered Instruments Low current consumption and fast start-up for portable and intermittently powered equipment.

Accessories and Spare Parts

• Sensor Filters Plastic-grid, membrane, stainless-steel, PTFE membrane and sintered PTFE filter options are available.
• Duct Installation Kit Optional installation kit and mounting flange for duct measurement.
• 4–20 mA Converter Separate loop-power converter for applications requiring a current output.
• USB Service Cable Connects the HMP110 to Vaisala Insight PC software.
• Indigo80 Connection Cable Connects the probe to a Vaisala Indigo80 handheld indicator.
• High-Temperature Cables Polyurethane and FEP cable options are available in different lengths and temperature ratings.

Multi-Point Monitoring with Indigo520 Supervisor

Compatible digital HMP110 configurations can be used with the Vaisala Indigo520 Supervisor for multi-point humidity and temperature monitoring. This arrangement provides local visibility at the host unit and Modbus TCP communication to the BMS.

Confirm the exact probe model and digital configuration when preparing the equipment schedule. For data centre projects, review the mounting position, cable route and access for calibration or replacement together with the required measurement accuracy.

Vaisala HMP110 Supplier in Malaysia

Seacom Process Instruments supplies the Vaisala HMP110 high-accuracy humidity and temperature probe in Malaysia. Our team can assist with selecting the required model, measurement parameters, output signals, cable length, sensor filter and mounting accessories.

Contact Seacom for HMP110 product selection, pricing and availability for stability chambers, incubators, glove boxes, greenhouses, data loggers and equipment-integration projects.