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Sieger 705 HT Sensor
The Model 705 high temperature sensor
has been specifically designed for the
detection of combustible gases in high
temperature hazardous area locations.
Typical applications include turbine
enclosures and drying ovens used in
solvent based printing and coating machines.
These applications require a sensor that provides
reliable and stable detection allowing low level
alarm settings across a wide temperature range.
Utilising a specially matched pair of Sieger poison
resistant combustible gas detection elements, the
Model 705 High Temperature Sensor has a very
stable baseline allowing alarm trip points to be set
as low as 5% LEL across a temperature range
of -25°C to +150°C (-3°F to +302°F). The gas
measuring range can be configured from 0-20%
LEL up to 0-100% LEL depending on the type of
controller used.
The detector elements are housed in a UL
hazardous area approved explosion proof
assembly, and provide an industry standard 3 wire
mV bridge output which can be connected to a
suitable control device or converted to an analog
output signal via a field transmitter.
Model 705 Sensor H2S Data Sheet
Model 705 Sensor for Combustible Gases Data Sheet
Model 705 HT Series Data Sheet
Fixed-Point Industrial Fire and Gas Detection Brochure
Gas Book Americas
705 Combustible Gas Sensor Manual
705 H2S Sensor and Transmitter for Electrochemical Cells Manual
705 CO Sensor and Transmitter for Electrochemical Cells Manual
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Excellent Performance
 Certified for hazardous location operation
up to +150°C (+302°F)
Alarm trip points as low as 5% LEL
Fast speed of response
Poison resistant detectors
Low power consumption
Cost Effective
Low cost disposable sensor
Greater than 5 year typical operating life
Reliable Operation
Specially matched 'Sieger' detectors provide highest stability
Proven technology from the World leader in combustible gas detection
Flexibility
Measuring ranges from 0-20% LEL to 0-100% LEL
Wide range of accessories
Robust Construction
UL approved explosion proof enclosure
High grade Aluminum construction
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Ordering Information
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Instrument
2430K0001 705 Flammable Detector, SG16B Junction Box, WP
Accessories
2430-0021 Junction Box, Class I, Div. 1 Groups BCD
02000-A-1640 Weatherproof cap for use with combustible detector including remote gassing nozzle (for Sensepoint,
Signalpoint, Satellite (with adapter), XNX MPD and Series 2000)
00780-A-0035 Flow Housing
00780-A-0076 Stainless steel weather housing for Sensepoint HT or 705 HT (for use with in high temperature applications or
with duct mounting kits)
02000-A-1635 Weatherproof cap for use with toxic detector including remote gassing nozzle (for Sensepoint, Signalpoint,
Satellite (with adapter), XNX MPD and Series 2000)
02000-A-1642 Collecting cone for use with flammable detector (for Sensepoint, Signalpoint, Satellite (with adapter), XNX
MPD and Series 2000)
Spares
00705-A-1733 705 Flammable Detector- Aluminium- UL- 3/4NPT- 0-100% LEL
00705-A-1735 705 High Temperature Flammable Detector- Aluminum- 150 deg C- UL- 3/4NPT
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Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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