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Vaisala HMT360 Series Intrinsically Safe Humidity and Temperature Transmitters

Intrinsically Safe Humidity and Temperature Transmitters
HMT360 Series
The Vaisala HUMICAP® Humidity
and Temperature Transmitter Series
HMT360 are the ideal solution for
measuring humidity in hazardous
areas. They operate safely and
reliably even in the most hazardous
classifications. The HMT360
transmitters' proven performance
and technology conform with
rigorous international standards.
Intrinsically safe
The entire HMT360 transmitter can
be installed directly in explosive
areas. It can withstand continuous
exposure to potentially explosive
environments that contain flammable
gases or dust.
Customized configuration
Due to the microprocessor based
electronics, options and accessories,
the HMT360 series is truly flexible.
The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT361 wall mount
transmitter, shown with six probe options, is designed specifically for hazardous and
explosive environments.
Customers may specify the
transmitter configuration when
ordering the instrument, however
changes in configuration can also
easily be made in the field.
Interchangeable probes
The HMT360 offers six probe options
for various applications:
HMP361 - wall mount
HMP363 - confined spaces
HMP364 - pressurized spaces
HMP365 - high temperature
HMP367 - high humidity
HMP368 - pressurized
pipelines
The interchangeable probes
enable fast and easy removal or
re-installation when required.
Calibration, for example, is easy
to perform due to the modular
structure. All calibration coefficients
are included in the probe unit itself,
which means that probes can be
switched between transmitter bodies
without losing the accuracy.
Optimized sensors
In addition to the standard Vaisala
HUMICAP® Sensor, an application
specific, very chemically durable
sensor is also available.
Long-term solution
The HMT360 transmitters are an
investment; their rugged design,
combined with trouble-free
operation, ensure a long-term
solution for monitoring humidity and
dewpoint in explosive environments.
Customized calibration and
maintenance contracts for the
HMT360 series are available on
request.

The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT360 are the ideal solution for measuring humidity in hazardous areas. They operate safely and reliably even in the most hazardous classifications. The HMT360 transmitters' proven performance and technology conform with rigorous international standards.

Intrinsically safe
The entire HMT360 transmitter can be installed directly in explosive areas. It can withstand continuous exposure to potentially explosive environments that contain flammable gases or dust.

Customized configuration
Due to the microprocessor based electronics, options and accessories, the HMT360 series is truly flexible. Customers may specify the transmitter configuration when ordering the instrument, how ever changes in configuration can also easily be made in the field.

Interchangeable probes
The HMT360 offers six probe options for various applications:

HMP361 - wall mount
HMP363 - confined spaces
HMP364 - pressurized spaces
HMP365 - high temperature
HMP367 - high humidity
HMP368 - pressurized pipelines

The interchangeable probe senable fast and easy removal or re-installation when required. Calibration, for example, is easy to perform due to the modular structure. All calibration co-efficients are included in the probe unit itself,  which means that probes can be switched between transmitter bodies without losing the accuracy.

Optimized sensors
In addition to the standard VaisalaHUMICAP® Sensor, an application specific, very chemically durable sensor is also available.

Long-term solution
The HMT360 transmitters are an investment; their rugged design, combined with trouble-free operation, ensure a long-term solution for monitoring humidity and dewpoint in explosive environments. Customized calibration and maintenance contracts for the HMT360 series are available on request.

• Measures humidity and temperature, outputs also dewpoint, mixing ratio, absolute humidity and wet bulb temperature
• Safe operation with the entire transmitter in hazardous areas: Division 1 and 2 (USA, Canada), Categories 1G / Zone 0 and 1D / Zone 20 with protection cover (EU)
• Intrinsically safe
• Designed for harsh conditions
• Vaisala HUMICAP® Sensor features high accuracy, excellent long-term stability, and negligible hysteresis
• Six probe options
• Temperature range between -40 … +180°C (-40 … +356°F) depending on the probe option
• NIST traceable (certificate included)



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