GE Sensing MISP2 Specifications
GE
Measurement & Control Solutions
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
the Panametrics Moisture Image Series 1 analyzer
and the PM880 portable hygrometer for industries
including:
• Petrochemical
• Natural gas
• Industrial gas
• Semiconductor
• Furnace gas/heat treating
• Power generation
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 congurations
• Air dryer
• Pharmaceutical
• Aerospace
MIS Probe 2
Aluminum Oxide Moisture Probe
Moisture Image Series Probe 2 is a
Panametrics product. Panametrics
has joined other GE high-technology
sensing business under a new nameGE Measurement & Control Solutions.
GE
Measurement & Control Solutions
Panametrics Hygrometer Systems and
Moisture Probes
Panametrics aluminum oxide moisture probes have
set the standard of performance and value in industrial
moisture measurement for more than 40 years.
In use, the Moisture Image Series probe is coupled to
Panametrics hygrometer consoles by an interconnecting
cablel. Ease of use, wide measurement range and
rigorous calibration standards make these systems the
preferred choice for industrial moisture measurement
worldwide.
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 ve solid-state
piezoresistive transducers to measure pressures up to
5000 psig (345 bar), are available.
For convenience, moisture probe calibration data is
stored in nonvolatile EEPROM, so data entry is automatic
and safe from power outage.
The Moisture Image Series probe is intrinsically safe,
saving the expense and installation problems associated
with explosion-proof housings, purges, or external zener
requirements of IEC/Zone 0 areas.
Rigorous Calibration Standards
Traceable to the NIST/NPL
The aluminum oxide sensor of each MIS probe is
individually calibrated in one of the world’s most
advanced moisture calibration facilities. Developed over
several decades, this facility generates precisely known
moisture concentrations, traceable to the NIST/NPL, to
which each sensor is exposed during the calibration
process.
All data is gathered and stored by a dedicated computer
system. Calibrations are repeated over a period of many
months to ensure the stability of each individual moisture
probe. Only those probes that meet GE’s demanding
specications for accuracy and stability are shipped to
customers.
Installation Flexibility
Temperature and pressure input data are used by
Moisture Image Series 1 analyzers and the PM880
portable hygrometer to determine parameters such as
ppm, lbs/mmSCF and releative humidity.
MIS Electronics Module
The real power of the MIS probe comes from an
electronics module that is attached to the moisture
sensor probe. The built-in microprecessor provides 16 bit
resolution, a real performance enhancement, allowing
it to detect parts per billion (ppb) changes in moisture
concentration. In addition, it continuously monitors
and compensates the electronics to ensure long-term
stability.
The Moisture Image Series probe is designed to be
located at the process, exactly where the measurement
is needed. The sensor can withstand process
temperatures of –166° to 158°F (–110° to 70°C) and
pressures from vacuum up to 5000 psig (345 bar). No
minimum ow rate is required. For additional exibility,
the probe can be located up to 3000 feet (0.9 km) from
the analyzer, connected by inexpensive, unshielded,
twisted-pair cable (AWG 22). As a result, the probe can be
placed in the ideal location, even in a large plant, without
the cost, delays and installation problems associated
with special cabling.
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