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Moisture Image Series - Aluminum Oxide Moisture Probe

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Built-In Pressure and Temperature Measurement

Accurate determination of many moisture measurement parameters requires knowledge of the process temperature and pressure. The inconvenience and limitations associated with installing and using separate temperature and pressure sensors have been eliminated, with both capabilities being built directly into the Moisture Image Series probe. A nonlinear NTC thermistor to measure temperature from –22°F to 158°F (–30°C to 70°C), and a choice of five solid-state piezoresistive transducers to measure pressures up to 5000 psig (345 bar), are available.

 

Temperature and pressure input data are used by Moisture Image Series 1 and 2 analyzers and the PM880 portable hygrometer to determine parameters such as ppm, lbs/mmSCF and relative humidity.

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Features

• Intrinsically safe

• Ambient to ppb moisture measurement; 16-bit resolution

• Three function capability with moisture sensor and optional built-in temperature and pressure sensors

• Nonvolatile calibration data storage

• Calibrations traceable to National Institute of Standards and Technology (NIST) or National Physical Lab U.K. (NPL)

• Requires only twisted pair cabling, allowing probe to be located up to 3000 ft (914 m) from analyzer

• Threaded and VCR mount configurations

Applications

This Panametrics aluminum oxide moisture sensor probe measures moisture concentration in gases and non-aqueous liquids from trace to ambient levels. It is designed to be used in conjunction with Panametrics Moisture Image Series 1 analyzer, Moisture Image Series 2 analyzer and PM880 portable hygrometer for industries including:

• Petrochemical

• Natural gas

• Industrial gas

• Semiconductor

• Furnace gas/heat treating

• Power generation

• Air dryer

• Pharmaceutical

• Aerospace

Specifications

Intrinsic Safety

Intrinsically safe when connected to
a Panametrics Moisture Series analyzer, PM880 portable
hygrometer or intrinsically safe barriers in accordance
with the user’s manual. Moisture Image Series probe:
BAS01ATEX1095
II 1 G EEx ia IIC T4 (-20°C to +80°C) and
CSA C US Class I, Division 1, Groups A,B,C&D T4,
LR44204-23

European Compliance

Complies with EMC Directive 89/336/EEC and
PED 97/23/EC for DN<25

Type

Aluminum oxide moisture sensor probe

Calibration

Each sensor is individually computer calibrated against
known moisture concentrations, traceable to NIST or
NPL.

Dew/Frost Point Calibration Ranges

• Overall calibration range capability: 140°F to –166°F
(60°C to –110°C)
• Standard: 68°F to –112°F (20°C to –80°C) with data to
-166°F (–110°C)
• Ultralow: -58°F to -166°F (–50°C to –110°C)
• Extended high: 140°F to -112°F (60°C to –80°C) with
data to -166°F (–110°C)

Accuracy

• ±3.6°F (±2°C) from 140°F to -85°F (60°C to –65°C)
• ±5.4°F (±3°C) from -86°F to -166°F (–66°C to –110°C)

(-66°C to 110°C)

Repeatability<

• ±0.9°F (±0.5°C) from 140°F to -85°F (60°C to –65°C)
• ±1.8°F (±1.0°C) from -86°F to -166°F (–66°C to –110°C)

Temperature

• Sensor operating temperature (process environment):
–166°F to 158°F (–110°C to 70°C)
• Operating temperature for Moisture Image Series
probe electronics module: 32°F to 140°F (0°C to 60°C)
• Storage temperature: 158°F (70°C) maximum

Operating Pressure

5 :Hg to 5000 psig (345 bar)
Limited by optional pressure sensor—see pressure sensor
ranges

Flow Range

• Gases: Static to 10,000 cm/s linear velocity at 1 atm
• Liquids: Static to 10 cm/s linear velocity at density of
1 g/cc

Response Time

Less than five seconds for 63% step change in moisture
content in either wet-up or dry-down cycle

MIS Probe/Analyzer Separation

3000 ft (0.9 km) maximum recommended length (consult
factory for longer distances)

Moisture Image Series Probe/Analyzer Compatibility

• Moisture Image Series 1 analyzer
• Moisture Image Series 2 analyzer
• PM880 portable hygrometer

Limited Warranty

• Calibration: Six months from delivery
• Materials and workmanship: One year from delivery

MIS Probe/Analyzer Cable

Unshielded, twisted pair, AWG 22

Operating Range

–22°F to 158°F (–30°C to 70°C)

Accuracy

±0.9°F (±0.5°C) overall

Response Time (Maximum)

One second in well stirred oil or 10 seconds in still air for
a 63% step change in increasing or decreasing
temperature

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Descriptions English
Basic Hygrometry Principles acrobat-reader
MIS Probe 2 Aluminum Oxide Moisture Probe Brochure acrobat-reader
Moisture Image Series 1 Programming Manual acrobat-reader
Moisture Image Series 1 Quick Reference Guide acrobat-reader
Moisture Image Series 1 Service Manual acrobat-reader
Moisture Image Series 1 Startup Guide acrobat-reader
Mositure/Humidity Conversion acrobat-reader
Trace Moisture Diurnal Effects in Process Applications acrobat-reader
Vapor Water Pressure acrobat-reader


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