MS2100
series
dew point analyzer, dew point meters, dew point transmitter
Moisture &Humidity Transmitter
on-line Gas Moisture Measurement Application
Ref:gMS2100IntE
Version:2002-01-08
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Ideal for Quality Control in the Industrial Production
Specially Powerful for Scientific Convert
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
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___IEEE1451.2 STIM Compatible, 1451.1 NCAP and Modbus Network support. Analog and Digital Signals Output. Remote Setup and Operate.
n Continuous analysis. Direct measurement in simple way
n Multi-parameters test: Humidity, Dew-point, AH, Water content/moisture, and temperature as well.
n Accurate and reliable, rugged design, low-maintenance
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 for day/month/year
n One-year warranty
MS2100 is a fast, reliable and accurate on-line detection technology for moisture of gases, based on new capacity sensors.
Low limit moisture on-line test has been always troubles in some crisis industry process. Both of on-line and laboratory analyzers are expensive, and time costing in the past time.
It was hoped to replace some process instruments at certain cases, to save lots of equipment investment and maintenance cost. What is most important is it's easy way to test directly and real time response, and also excellent accuracy. Speed is very important in modern chemical process.
The system measure Humidity, Dew-point, AH, Water activity, Water content/moisture, and temperature as well. With T-BD5xMD STIM, all these parameters can be displayed at field, and could be read by NCAP controller or computer in remote area. The analog signal output port of the transmitter could be set to output any one of these parameters
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.
Applications
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 Rugged Construction, Unaffected by Vibration or Unit Orientation
l High accuracy
l Fast response
l Stable, low drift performance
l Chemically resistant
l Simple to Operate
l Specific to Moisture
l Alarms and Outputs Available
l Easily Remoted Sensor
l Auto range from ppb to 660ppm
Electronic Function of STIM Transducer
l BD5 CPU based STIM, perfect design with complete instrument functions
l Auto temperature compensation
l Linear analog signal output, 0/4 to 20 mA select. default status is 0 to 20 mA for activity. Moisture and Separation point output is selective for users.
l RS232 serial port always available
l RS485 with STIMcom or Modbus protocol attached to BD5xB upper configuration. BD5s has simple SCom data communication ability.
l Power supply: DC 9 to 24 V; consumption <100 mW at Max.
l Intrinsic safe design
For more details, please refer to : BD4&5IntE
Applications
l Direct sampling installation moisture on-line test
l Moisture in compressed air
l Humidity of refrigerant and desiccant dryers
l Heating, ventilation and air conditioning
l Chemical process measurement, Chemical manufacturing
l Industrial controls
l Industrial drying (e.g., paper, foods, pharmaceuticals)
l Instrument/plant air
l Heat treating furnaces and gas generators
l Natural gas pipeline and storage
Technical specifications
MS2123
l Measurement range:
Relative Humidity: 0-100%RH(No condensing)
Absolute Humidity: 0-600g/M3;
|
Sample conditions |
Saturated Point |
|
1atm,-20 °C: |
0.790 g/M3; |
|
1atm,-10 °C |
1.9923g/M3; |
|
1atm,0 °C: |
4.846g/M3; |
|
1atm,10 °C: |
9.395 g/M3; |
|
Atmosphere,20 °C : |
17.289g/NM3; |
|
1atm,30 °C: |
30.350 g/M3; |
|
1atm,40 °C: |
51.151 g/M3; |
|
1atm,80 °C: |
293.34 g/M3; |
|
1atm,100 °C: |
597.73 g/M3; |
|
1atm,120 °C: |
1121.7 g/M3; |
|
1atm,180 °C: |
5160.0 g/M3; |
Dew point range(Difference from testing sample temperature): 0-50/100 °C
Mixing ratio: 0-500g/kg d.a.
Lower Detect Limit: 0.0865g/NM3 at 20°C
l Accuracy: ±2% of reading, 0-1.00 aw, 25 °C
l Operating temperature:
MS2123N: -40 to 85 °C
MS2123p:-40...+180 °C
l Working Pressure: N:<0.3 Mpa; p:<1.0 Mpa
l Sensor Interchangeability: ±5% of reading
l Hysteresis ±1.2% of reading
l Repeatability ±0.5% of reading
l Response Time: 15 sec typical at 25 °C
l 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 90% 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)
T001-BD5xMx+lMS2100N
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T-BD5CMD |
T-BD5MM |
T-BD5IB |
|
Environal Temperature |
-10 to 60 °C |
-30 to 70 °C |
-40 to 85 °C |
|
Environal Humidity: |
10-90% |
0-100%( non-condensing) |
0-100% |
* if with LCD, the environ property is limited to -10 to 60 °C, 10-90%
Transducer Safety:
Safety: Ia, intrinsic designed. Could be used at Class 1,Group A/B/C/D;Class II,Group E/F/G;
Package: NEMA 7, NEMA 8, NEMA 9，NEMA 6/6p，IP67
gMS2100 series
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T001-BD5CMD+MS2123N Insertion Moisture Transducer Sampling temperature: -40 to 85°C Sampling pressure: <0.3Mpa Insertion length: 40- 200mm Installation connect: ZG1” /1”NPT |
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T001-BD5CMD+MS2123p Insertion Moisture Transducer Sampling temperature: -40 to 85/100°C Sampling pressure: <1.0 Mpa Insertion length:200mm Installation connect: ZG1” /1”NPT |
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T001-BD5CMD+MS2110pHT200 Insertion Moisture Transducer Sampling temperature: -40 to 180°C Sampling pressure: <1.0 Mpa Insertion length:200mm Installation connect: ZG1” /1”NPT |
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T001-BD5CMD+MS2110pHT300 Insertion Moisture Transducer Sampling temperature: -40 to 300°C Sampling pressure: <1.0 Mpa Insertion length:200mm Installation connect: ZG1” /1”NPT |
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Selection coding
if you want to measure moisture more specific and low detect limit, please refer to T_LGA4810_H2O
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