Vaisala hmt120 rh temp transmitter no display wall mt 4 20ma. The calibration is first done for the dry end and then for the wet end by adjusting trimmer potentiometers marked dry and. Hmt330 series humidity and temperature transmitters for. Humidity and temperature transmitters hmt120 vaisala. Vaisala moisture, hydrogen and temperature transmitter mht410 for online transformer condition monitoring the vaisala mht410 moisture, hydrogen and temperature transmitter provides reliable online monitoring of insulating oil in power transformers. Vaisala humicap humidity and temperature transmitter hmt360 series. The measurement remains proportional to the saturation level of water in each individual oil, independent of the type, ageing or temperature of the oil. Hmt120 wet bulb dry bulb transmitter for cooling towers, current loop. Series hmt330 is designed for demanding industrial applications where stable measurement and wide customization is important. Vaisala offers an optional usb cable vaisala order code 219685 for. Vaisala hmt330 series humidity and temperature transmitters results displayed. Vaisala humicap humidity and temperature transmitters hmt120. Hm34 humidity and temperature meter hm34 is a lightweight pocketsized meter that provides fast and convenient spot checks of relative humidity and. The transmitters can be wall mounted and come with either an integral or remote probe, and with or without a display.
Three probes to choose from the hmp75 is a general purpose probe whereas the hmp76 is a long, stainless steel probe especially suitable for spotchecking in ducts. The vaisala humicap humidity and temperature transmitter hmt334 is designed to measure humidity in pressurized spaces or vacuum chambers. Water activity indicates directly whether the oil is too moist. The hmt120 incorporate the vaisala humicap technology with humidity sensor humicap 180r. Hmt120 and hmt humidity and temperature transmitters. If an rh offset or gain is in place, write down the adjustment and then clear it by writing zero to rh offset and one to rh gain using the li command see section. The probe can be adjusted using one of vaisalas portable meters as a reference. Hmt360 series intrinsically safe humidity and temperature transmitters. Vaisala hm70 humicap handheld humidity and temperature. To learn about our use of cookies and how you can manage your. Since then vaisala has become a global leader in environmental and industrial measurement. Vaisala intercap humidity and temperature transmitter. Vaisala hmt330 series humidity and temperature transmitters results. Vaisala hmt120 rh only transmitter with display, wall.
Temperature transmittersw hmt120 and hmt are designed for humidity and temperature monitoring in cleanrooms. Hmt120 cleanroom and hvac relative humidity, dewpoint, wet bulb, enthalpy and temperature transmitter, wall model, current loop, 1. Home modelseries selection vaisala hmt330 series humidity and temperature transmitters results you searched for. The vaisala humicap humidity and temperature transmitter. The vaisala humicap humidity and temperature transmitters hmt120 and hmt incorporate the vaisala humicap technology with humidity sensor humicap 180r. In normal conditions calibration once year is recommended. The vaisala humicap handheld humidity and temperature meter hm70 is a highperformance, portable humidity reference that is exciting to use. Vaisala humicap humidity and temperature transmitter. Vaisala humicap humidity and temp transmitter hmt360 series. Vaisala humicap humidity and temperature transmitter hmt310. Hmp228 moisture and temperature transmitter for oil.
Typical applications include stability rooms, hvac, livestock, indoor swimming pools, and outdoor applications. Hm70 handheld humidity and temperature meter for spot. Hmt120 cleanroom and hvac relative humidity and temperature transmitter with exchangeable probe, wall model, display, current loop, 1. Humicap humidity and temperature transmitter series. Vaisalas 30 years of experience in industrial humidity measurement. Vaisala hmt120 rh temp transmitter no display wall mt 4. Buy vaisala hmt120 rh only transmitter with display, wall mount and 420ma output and more from our comprehensive selection of vaisala hmt 120 series humidity temperature dew point. The hmt120 transmitters use a fully interchangeable relative humidity probe. Vaisala viewlinc continuous monitoring system data loggers. View and download vaisala hmt120 quick manual online. Vaisala hmt120 humidity and temperature transmitter.
Vaisalas hmt360 humidity and temperature transmitter is designed for use in potentially explosive atmospheres. Hmt360 series intrinsically safe humidity and temperature. The hmt120 are resistant to dust and most chemicals. Relative humidity calculation is possible by writing external temperature information on a. Vaisala hmt120 rh and temperature transmitter with display. Industrial measurements product catalog b210974ens vaisala. We respect your privacy and you may unsubscribe at any time. Hmp228, mmt318 and mm70 for transformer applications. Vaisala humicap humidity and temperature transmitter series. The contents of this manual are subject to change without prior notice. Six interchangeable probe models for a variety of applications. Useful for validating installations of hmt120 and hmt transmitters, for example.
It is an ideal spotchecking tool that is easy to use. Humicap technology that measures relative humidity accurately and reliably. Hmt120 cleanroom and hvac relative humidity and temperature transmitter, wall model, display, current loop, 1. The story of vaisala began in the 1930s when professor vilho vaisala developed the radiosonde for measuring the meteorological conditions in the upper atmosphere. Vaisala humicap handheld humidity and temperature meter. Other quantities, such as dewpoint td can be calculated from the basic rh and t values according to the device configuration. Each probe is tested to ensure a gas and vacuum tight installation. Vaisala barocap for pressure measurement and vaisala humicap for humidity measurement. Vaisala hmt120 series transmitters are designed for monitoring humidity and temperature in demanding environments. Vaisala lowcost temperature transmitter, ductmount. The probe can be easily removed and replaced with a new one without having to adjust the transmitter, which allows for easy and quick recalibration of the transmitter.
The vaisala humicap handheld humidity and temperature meter hm70 is a highperformance, portable humidity reference. The hmt120 and hmt transmitters incorporate vaisala humicap sensor technology that measures relative humidity accurately and reliably. Vaisala hmt120 hvac transmitter humidity ducts temperature. Typical applications include stability rooms, hvac, livestock, indoor swimming pools. Vaisala hmw89d humidity, temperature and additional. Interchangeable probe the hmt120 transmitters use a fully interchangeable relative humidity probe. Vaisala hmt120 humidity and temperature transmitter for hvac ducts item specifics condition new features model hmt120 monitors relative humidity and temperature range 40 to 176 degree measurement range measurement accuracy this applies to both the item and retail packaging. Vaisala hmt 120 series humidity temperature dew point.
Chapter 1, general information, provides general notes for the manual and hmw90 series transmitters. Humicap humidity and temperature transmitters hmt120 and. Gmt220 series carbon dioxide transmitters for industrial. Temperature transmittersw hmt120 and hmt are designed for humidity and temperature monitoring in cleanrooms and are also suitable for demanding hvac applications. The design of the vaisala hmt120 relative humidity and temperature transmitters is catered specifically towards the cleanroom environment where the instrument can be washed down, is dust proof and is intended for a clean install free of exposed wiring. The measurement remains proportional to the saturation level of water in each individual oil. Hmt120 user s guide electrostatic discharge usb scribd. Vaisala hmw89d humidity, temperature and additional calculated parameters 3wire. How to choose the right parameter for humidity control in hvac.
Buy vaisala hmt120 rh and temperature transmitter with display, wall mount and 420ma output and more from our comprehensive selection of vaisala hmt 120 series humidity temperature dew point transmitter. For a highaccuracy twopoint calibration use a vaisala hmk 11 calibrator and saturated salt solutions as described in the hmk 11 operating manual. Vaisala hmt330 series humidity and temperature transmitters. With its unique probe design, the mht410 delivers accurate measurement and trend data about. Vaisala offers an optional usb cable vaisala order code 219685 for connecting the transmitter to your pc. Using the service port hmt120 motherboard has an 8pin rj45 connector for service use. The probe can be easily removed and replaced with a new one without having to adjust the transmitter, which allows for. Reliable climate control in data centers with vaisala s measurement equipment. Vaisala wifi data logger hmt140 for multiple environmental parameters the vaisala hmt140 wireless data logger is designed for humidity, temperature and analog signal monitoring in. The hmt120 is intended for outdoor wet dry bulb measurements in hvac cooling tower applications. Vaisala humicapa humidity and temperature transmitters hmt120 and hmt are designed for humidity and temperature monitoring in cleanrooms and are also suitable for demanding hvac and light industrial applications.
Vaisala humidity and temperature probes hmp60 and hmp110. Probe cable, length 10m, for hmt120 series transmitters part no. Vaisala humicap performance the hmt334 incorporates vaisalas more than 30 years of experience in industrial humidity measurement. About this manual this manual provides information for installing, operating, and maintaining vaisala weather transm itter wxt530 series transmitters. Contents of this manual this manual consists of the following chapters. Vaisala hmt120 humidity and temperature transmitter for hvac ducts item specifics condition new features model hmt120 monitors relative humidity and temperature range 40 to 176 degree. The vaisala humicap humidity and temperature transmitters hmt120 and hmt are designed for humidity and temperature monitoring in cleanrooms and are also suitable for demanding hvac and light industrial applications. By submitting this form, you give vaisala permission to send you occasional emails related to our products, services and events. They combine excellent stability with reliable operation. Register value can be changed with modbus functions. Performance the hmt120 incorporates vaisala humicap technology that measures relative humidity accurately and reliably. No display, wallmt, 420ma and more from our comprehensive selection of vaisala hmt 120 series humidity temperature dew point transmitter. Vaisala humidity and temperature transmitter hmt335.
Vaisala intercap humidity and temperature transmitter series hmw80 the two and threewire vaisala intercap humidity and temperature transmitter series hmw80 is designed for use in energy management systems in buildings. Vaisala hmt120 rhand temperature transmitter with display. The calibration interval depends on the application where the transmitter is used. If you are using the probe with a hmt120, hmt, or hm40 hand held meter. Vaisala hmt335 humidity and temperature transmitter. The hmt120 is delivered with a weather shield for the transmitter unit to protect it from the outdoor elements. Vaisala intercap humidity and temperature transmitter series. To learn about our use of cookies and how you can manage your cookie settings, please see our cookie policy. Users guide vaisala humicap humidity and temperature transmitter series hmt120 m211244enb.
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