Overview

The Vaisala HUMICAP® Humidity and Temperature Probe HMP110 is a trouble-free and cost-effective humidity transmitter with high accuracy and good stability. The power consumption is low and it has fast startup for battery powered applications. Rugged polyurethane filled stainless steel body survives also in rough conditions. All models come with a calibration certificate.

Three models available: 

• Humidity and temperature probe
• Temperature only probe with an RS485 interface supporting Modbus RTU protocol
• Temperature only probe with voltage outputs.

Features

Miniature-size humidity transmitter

Low power consumption and fast startup for battery powered applications

Measurement range: 0 ... 100 %RH; -40 ... +80°C

Cable detachable with standard M8 quick connector

Reliable: Latest generation HUMICAP® 180R sensor for best stability and high chemical tolerance. IP65 metal housing.

Optional RS485 digital output

Temperature only version HMP110T also available

Optional dew point calculation

Comes with a certificate

Overview

HMS110 transmitters are equipped with the trusted HUMICAP® 180R – a robust, general-purpose humidity sensor that functions well in high humidity. The sensor’s superior stability ensures long-lasting accuracy and minimal maintenance throughout the transmitter’s lifetime. If necessary, the transmitters can be field-calibrated using either the Vaisala HM70 Handheld Humidity and Temperature Meter, or a PC connection.

Two product models are available: HMS110 and HMS112. For details, see the datasheet.

Features

Integrated solar radiation shield

Calibration certificate included

Proven HUMICAP® 180R sensor for long-lasting accuracy

3-point traceable calibration (certificate included)

Current output (4...20 mA)

On-site calibration with HM70 Hand-Held Meter or PC connection

Ingress protection IP65

Overview

The Vaisala HUMICAP® Humidity and Temperature Transmitters HMT120 and HMT130 incorporate the Vaisala HUMICAP® technology with humidity sensor HUMICAP® 180R. Two options are available: 2-wire loop-powered or 3-wire voltage output configurations.

The HMT120/130 are resistant to dust and most chemicals. The devices can be mounted outdoors using a Vaisala installation kit and the Vaisala Radiation Shield DTR502B

Features

2-wire loop-powered or 3-wire voltage output configurations

Accurate and reliable

Resistant to dust and most chemicals

Optional LCD display

USB cable available for a PC connection for maintenance

Wall-mounted or with a remote probe

Can be mounted outdoors using a Vaisala installation kit and the Vaisala Radiation Shield DTR502B

Enclosure IP65

Overview

The PTU300 is a unique instrument measuring three parameters simultaneously: barometric pressure, humidity, and temperature. The instrument has four different humidity probe options for various measurement needs. Reliable HUMICAP® and BAROCAP® sensor technologies make it suitable for several applications such as engine testing booths, calibration laboratories, marine engine air intake monitoring and demanding meteorology applications.

Features

Barometric pressure, humidity and temperature measurement in one transmitter

Available with up to two barometric pressure sensors - for added reliability

Graphical display and keypad for convenient operation

Integrated data logging with over four years of measurement history

RS-232C serial interface with NMEA protocol for GPS use

Analog outputs, RS232/485, WLAN/LAN

Optional universal power supply module

Traceable calibration to national standards (certificate included)

HMT330MIK Installation kit for outdoor use

Incorporates HUMICAP and BAROCAP sensor technologies

Overview

Demanding Humidity Measurement

Measure humidity in harsh environments with the best-in-class instrument you can truly depend on. The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 with 10-year warranty* is designed for demanding industrial applications where stable measurements and extensive customization are essential. There are six models to choose from:

• HMT331 for wall mounting
• HMT333 for duct mounting and tight spaces
• HMT334 for high pressures up to 100 bar and vacuum conditions
• HMT335 for high temperatures
• HMT337 for high humidity and meteorological applications
• HMT338 for pressurized pipelines up to 40 bar

Features

Full 0 … 100 %RH measurement, temperature range up to +180 °C (+356 °F) depending on model

Pressure tolerance up to 100 bar depending on model

Excellent performance in harsh conditions; good chemical tolerance

Corrosion-resistant IP65/IP66 housing

Traceable calibration for measurement and analog outputs (certificates included)

RS232/485/422 LAN

Modbus protocol support (RTU/ TCP)

Optional graphical display and keypad for convenient operation

Overview

Condensation-resistant DMT340 is designed for industrial low-humidity applications such as industrial drying, compressed air systems, semiconductor industry, dry rooms, baking ovens, and metal heat treatment to provide accurate and reliable measurement. There are several models for different types of needs:

• DMT341 for wall-mounting
• DMT342 with small size flanged probe for use with sampling cell
• DMT344 for pressurized processes
• DMT347 with small pressure-tight probe
• DMT348 for pressurized pipelines

Features

Vaisala DRYCAP® sensor provides accurate, reliable measurement with excellent long-term stability and fast response time

Condensation-resistant

Unique auto-calibration feature

Graphical display and keypad for convenient operation

Optional alarm relays and mains power supply module

Integrated data logging with over four years of measurement history

LAN communication option

Traceable calibration (certificate included)

Overview

Vaisala's HUMICAP® HMP155 is a plug-and-play sensor that has excellent stability and withstands well even in harsh environments. The probe provides reliable humidity and temperature measurement and it is designed specifically for demanding outdoor applications.

Features

Vaisala HUMICAP®180R sensor - superior long-term stability

Optional warmed humidity probe and chemical purge

USB-connection cable for service use

Fits in DTR13 and DTR502/503 radiation shields and also in the Stevenson screen

Weather-proof housing IP66

Optional fast temperature probe

Different output possibilities: voltage, RS-485, resistive Pt100

Applications: meteorology, aviation and road weather, instrumentation.