Hand Held
MS2100 series Gas Analysis Series
Moisture &Humidity Analyzer
Ref:HgMS2100IntE
Version:2002-01-08
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Ideal for Laboratory and Quality Control in the Industrial Production
Specially Powerful for Scientific Convert
All Humidity Parameters from One
Instrument
Absolute moisture, Volume ratio, Partial pressure, Saturation
moisture, Relative humidity, Specific quantity, Dew point, Water content/moisture, and temperature
And
Pressure Test for compensation under process conditions
n
Multi-parameters test
for Humidity, Water Activity, Moisture Analysis
n
Versatile usage. Open
air, insertion and screw to pipe for temporary continuously test with
accessories. Fine design for industry and research works in Laboratory or at
field smart test
n
Temperature compensation, and Pressure sensor can be ordered to
compensate as well
n
Scientific algorithm
for high accuracy
n
Accurate and
reliable, rugged design
n
Quickly response,
<15 sec at typical cases
n
Self diagnostic,
professional intelligent, Menu-driven digital user interface
n
Auto diagnostic and
alarm
n
Data log of
measurements, read and print while back to office
n
PC communication
supported
n One-year warranty
Why Measure Moisture &Humidity?
Human beings as well as animals all like to
live in certain humidity environment. Humans are best suited to and feel most
comfortable at certain humidity and temperatures; excessively high or low
humidity or temperatures cause discomfort.
As most materials are hygroscopic, their
water content always tries to reach equilibrium with the surrounding relative
humidity. Thus each material has its own ideal storage humidity which should be
maintained. Too dry or too humid conditions could ruin the material.
In many production processes, the
measurement and adjustment of humidity is extremely important for sustaining
the high quality of products and the correct level of energy consumption. The
right humidity makes it possible to optimize energy consumption and improve end
product quality as well as product yield.
At low humidity cases, static electricity increases. This can be crucial in the chemical industry where dry powdery material is handled, to avert environ explosions caused by static electricity in extreme cases.
Humidity always plays important role in industrial corrosion, either from environment or pipeline. Keeping certain humidity is the most popular industry project.
PSYCHROMETRICS & MOISTURE
MOISTURE measurements
involve different terms and units.
Moisture terms and units all fall under the area
of psychro-metrics, the study of water vapor concentration in air as a function
of temperature and pressure. Selecting a moisture term depends on the
application at hand.
Dew points and frost points are often used when the dryness of the gas is
important, (moisture condensation from gas at low process temperatures must be
avoided). Dew point is also used as an indicator of water vapor in high
temperature processes, such as industrial drying.
Mixing ratios, volume percent, and specific humidity are
usually used when water vapor is either an impurity or a defined component of a
process gas mixture used in manufacturing. Mixing ratios are also used, like dew point, in
industrial drying.
Relative humidity is most commonly used in HVAC applications where it directly impacts human
comfort and indoor air quality issues. Relative humidity is also of interest to
process control personnel as low RH can cause brittleness and static
electricity problems, while high RH can cause swelling and clumping regardless
of temperature.
PSYCHROMETRICS deals with the thermodynamic
properties of moist gases while the term Humidity simply refers to the presence
of water vapor in air or other carrier gas.
Psychrometrics concerns mixtures of water vapor
and dry air. Much of it also applies to other carrier gases since the thermo-dynamic
characteristics of water vapor are fairly independent of the carrier gas. In
addition, as the composition of atmospheric air is fairly constant, dry air is
treated as a homogeneous gas with a molecular weight of 28.9645. The molecular
weight of water is 18.01528.
WATER VAPOR PRESSURE: When a mixture of air and water vapor is in equilibrium with liquid water
or with ice, it is considered to be saturated (RH J100%).
Features
l Not necessary to calibrate
l
High
accuracy
l
Fast
response
l
Stable,
low drift performance
l Chemically resistant
Applications
l RH, AH, Dew Point smart test in laboratory or at filed
l
Moisture
in compressed air
l
Humidity of refrigerant and desiccant dryers
l Heating, ventilation and air conditioning
l Dry process monitoring
l Chemical industry
l Production environ monitor
Technical specifications
À
Measurement range:
RH:
0-100%RH, non-condensing
AH/Moisture(for
gas):0...80 to 550 ppm relative to temperature;
À
Accuracy: ±2%
of reading, 0-100% RH non-condensing, 25 °C
À
Operating
temperature:
MS2123N:
-40 to 85 °C;
MS2123-1100:-40...+100 °C;
MS2110:-40...+180/300 °C;
À
Working Pressure: N:<0.3 Mpa
À
Sensor Interchangeability: ±5% RH, 0-60% RH; ±8% @
90% RH typical
À
Linearity: ±0.5% typical
À
Hysteresis ±1.2% of reading, span maximum
À
Repeatability ±0.5% of reading
À
Response Time: 15 sec in slowly moving air at 25 °C
À
Stability: ±1% of reading /typical at 0.50 aw in 5
years
* MS2110 Just for application when the temperature
of sample is over 180°C
Environment Requirements:
Environal Humidity:
Operating:0 to
100% RH, non-condensing
Storage:0 to 90%
RH, non-condensing
Environal Temperature Range:
N:Operating -40
°C to 85 °C (-40 °F to 185 °F)
N:Storage -51 °C
to 125 °C (-60 °F to 257 °F)
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BIG DIPPER TECHNOCHEM INSTITUTE
Call: (86) 10-8264.0226;8264.0225; Fax: (86) 10-