The Vaisala HMM105 provides reliable humidity measurement for integration into environmental chambers, incubators and OEM equipment.
The Vaisala HUMICAP® HMM105 is an open-frame module for equipment manufacturers who need dependable humidity measurement inside an environmental chamber or incubator. Its separate probe assembly allows the sensing point to be placed inside the chamber while the circuit board remains in a suitable protected location.
The module communicates directly with the host controller through an I2C interface. The controller can read relative humidity or dew point, monitor device status, change operating parameters and carry out measurement adjustments without adding an external transmitter.
The HMM105 combines a compact circuit board with a detachable probe head, M10 × 1 mounting thread and 300 mm flexible cable. This arrangement simplifies installation in equipment where available space, service access and the separation of electronics from the measurement area must be considered.
Full temperature compensation supports reliable humidity measurement across demanding chamber conditions. The probe can operate continuously at temperatures up to +180 °C and tolerate short-term exposure up to +200 °C, making it suitable for equipment that includes high-temperature cycles or heat sterilisation. The component board must remain within its specified operating-temperature range.
All three modules are intended for integration into environmental chambers or OEM equipment. The correct choice depends mainly on the required electrical interface, chamber conditions and maintenance functions.
| Selection point | Vaisala HMM100 | Vaisala HMM105 | Vaisala HMM170 |
|---|---|---|---|
| Best suited for | Conventional chambers requiring one analog measurement output | OEM chambers and incubators with direct I2C controller integration | Demanding chambers requiring higher accuracy, multiple outputs or condensation protection |
| Measured parameters | Relative humidity or dew point | Relative humidity or dew point | Relative humidity, temperature, dew point and other calculated parameters |
| Humidity range | 0–100% RH | 0–100% RH | 0–100% RH |
| RH accuracy at −20 to +40 °C | ±2% RH from 0–90% RH | ±2% RH from 0–90% RH | Approximately ±1.0 to ±1.7% RH, depending on the reading |
| Primary output | One configurable current or voltage output | Digital I2C | Modbus RTU and three configurable analog outputs |
| Probe temperature capability | Up to +180 °C, depending on probe and filter | Up to +180 °C continuously; +200 °C short-term peak | −70 to +180 °C |
| Probe arrangement | Plastic or stainless-steel probe with several cable and length options | Detachable 12 mm probe with fixed 300 mm flexible cable | 12 mm stainless-steel probe with 2, 5 or 10 m cable options |
| Condensation and chemical protection | Standard HUMICAP measurement without active probe heating | Standard HUMICAP measurement without active probe heating | Optional sensor purge, probe heating and sensor warming |
| Configuration and servicing | Service port and on-board adjustment trimmers | Configuration and adjustment through the I2C interface | Vaisala Insight software through the integrated service port |
Quick selection: choose HMM100 when the chamber controller needs a conventional analog signal. Choose HMM105 when direct I2C communication and a compact detachable probe are required. Choose HMM170 for new demanding designs that need better accuracy, Modbus RTU, several analog outputs, longer probe cables or active condensation protection.
Before ordering the HMM105, confirm the chamber temperature and humidity range, controller supply voltage, I2C implementation, preferred output parameter, probe mounting position, electronics-board location and exposure during sterilisation or cleaning cycles.
The HMM105 is a component module intended for integration by an equipment manufacturer or system designer. The finished equipment should provide suitable mechanical protection, power, wiring, grounding and electromagnetic-compatibility arrangements.
Seacom Process Instruments supplies and supports the Vaisala HMM105 Digital Humidity Module in Malaysia for environmental chambers, incubators, test equipment and other OEM humidity-measurement applications.
Our team can assist with model comparison, probe mounting, controller-interface requirements, installation planning and calibration support. We can also help determine whether the analog HMM100, I2C HMM105 or advanced HMM170 is the most suitable platform for your equipment.
Contact Seacom with your chamber operating range, sterilisation temperature, controller interface, available installation space and required output so we can recommend a suitable humidity-module configuration.
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The Vaisala HMM100 provides reliable humidity measurement and a configurable analog output for integration into environmental chambers and OEM equipment.
The Vaisala HMM170 provides accurate and stable humidity and temperature measurement for demanding environmental chambers, including vacuum and pressurised applications.
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Get more value out of waste by improved decision-making, and by reducing your operating costs. Vaisala CARBOCAP® MGP261 Multigas Probe for Methane, Carbon Dioxide and Humidity helps in improving your process and in protecting the Combined Heat and Power (CHP) engine. The MGP261 probe is compact in size, Ex certified, and can be installed directly into the gas line without the need for sample treatment.
>The measurement probe is suitable for applications such as anaerobic digestion of landfill, industrial and municipal waste, wastewater treatment, CHP engine monitoring, as well as active carbon filter monitoring.
The Vaisala HMM100 provides reliable humidity measurement and a configurable analog output for integration into environmental chambers and OEM equipment.
The Vaisala HMP60 is a compact, durable and cost-effective humidity and temperature probe for equipment integration, data loggers, incubators, glove boxes, greenhouses and environmental monitoring systems.
It provides 0–100% RH and −40 °C to +60 °C measurement ranges, low power consumption, interchangeable Vaisala INTERCAP sensor and optional Modbus RTU communication.
The Vaisala HMP5 provides high-accuracy humidity and temperature measurement in ovens, dryers, kilns and other processes operating at temperatures up to +180 °C.
The Vaisala Indigo300 is a rugged industrial transmitter for one Vaisala Indigo-compatible smart probe, providing local measurement display and up to three configurable analog outputs.
Its corrosion-resistant IP66 metal enclosure, flexible probe mounting and interchangeable probe design make Indigo300 suitable for humidity, temperature, dew point, CO2, moisture in oil and other demanding industrial measurements.
The Vaisala HMX110 Series provides accurate humidity and temperature measurement for demanding indoor, duct and outdoor HVAC applications.
The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.
The Vaisala XMP10 Series comprises compact humidity and temperature probes offering accuracy levels up to ±1% RH and ±0.1 °C for demanding HVAC, data-centre and critical-environment applications.
The probes feature analog or Modbus RTU outputs, a standard M8 connector, an IP65-rated body and compatibility with Vaisala Origo10 modular HVAC transmitters.
The Vaisala HMW90 Series provides high-accuracy humidity and temperature measurement for demanding indoor HVAC and controlled-environment applications.
The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.
The Vaisala XMW85 Series provides reliable indoor CO2, humidity and temperature measurement for demand-controlled ventilation, smart buildings and indoor air-quality monitoring.
All models support Modbus RTU over RS-485, with two-in-one and three-in-one measurement configurations and optional metric or non-metric displays.
The Vaisala HMT140 Wi-Fi Data Logger has been discontinued and is no longer recommended for new monitoring systems.
The Vaisala HMM105 provides reliable humidity measurement for integration into environmental chambers, incubators and OEM equipment.
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