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The MonoExact DF150E has all the advantages of the Coulomb coulometric sensing technology that is widely trusted in the industry, and is very easy to operate.
The MonoExact DF150E has all the advantages of the Coulomb coulometric sensing technology that is widely trusted in the industry, and is very easy to operate.
The MonoExact DF150E features a new and improved digital touch screen, complemented by an icon menu navigation user interface (GUI) for simpler operation. It has the reliability of Shifumei's mature and reliable Coulomb coulometric O2 sensor, bringing users new advantages in operation and maintenance.
The MonoExact DF150E adopts new software and hardware technology (including an improved Coulomb coulometric digital oxygen sensor), which is more convenient for users to operate, has lower holding costs, and brings new advantages to users in operation and maintenance.
Technical parameters:
Sample gas: H2、He、CH4、CO、N2、Ar、 Various fluorinated carbons and weakly acidic HP gases
Sensing technology: Coulomb coulometric sensor
performance
◎ Gas to be tested: Trace level (ppm) O2
◎ Range: 0-100, 0-1000, or 10000ppm
◎ Inherent error (accuracy): 0-100ppm: ± 5% reading or ± 50 ppb, whichever is greater
0-1000ppm: ± 5% reading or ± 250 ppb, whichever is greater
0-10000ppm: ± 5% reading or ± 2.5 ppm, whichever is greater
◎ Response time (T90):~ 30 seconds @ 0.50 liters/minute
◎ Zero drift/month: negligible
Signal output/input
◎ Analog output: isolated 4-20mA DC output or isolated 0-10V DC output, with 0, 2, 4, or 21.5mA as blocking signals
◎ Output range: Each sensor is preset with 6 adjustable ranges within its full range
◎ Fault signal: It can self check more than 30 types of faults and record them in the system file, and then display them on the main screen of the analyzer
◎ Alarm: Up to 2 sound and light concentration alarms, among which one concentration, flow rate, temperature, and range reference alarm can be selected
◎ Relay: up to 2 independently assigned contacts, rated current of 1.0 A, maximum voltage of 30V DC or AC
Sample gas conditions
◎ Sample gas: must be oil-free, non corrosive, and non condensable (can handle weakly acidic gases)
◎ Sample gas temperature: 0 º C...+45 º C (+32 º F...+113 º F)
◎ Dust: filtered to 2 μ m
◎ Maximum Dew Point:+5 º C/+9 º F lower than the lowest ambient temperature
◎ Zero gas: It is best to use 5 or 5.5 9s grade pure N2
◎ Calibration gas: Calibration between 40% and 80% FS can achieve the highest linear accuracy
◎ Sample gas pressure: Flow driven: 1.4-6.9 kPa, 0.014-0.07 bar, 0.2-1 PSI
Pressure driven: 172.36-310.26 KPa; 1.72-3.10 bar; 25-45 psig
Online dew point meters can accurately measure the dew point temperature of air or other gases. This series of dew point meters has the advantages of high accuracy, wide applicability, and low cost. They are suitable for steel, petrochemical, oven, drying oven, environmental testing, calibration laboratory, paint booth, process gas monitoring and gas production fields, using the principle of spotlight measurement to ensure high accuracy and reliability.
Due to different cooling methods and detection control methods, online dew point meters can be divided into multiple types. Its calibration uses a thermoelectric cooler to cool the dew point sensor, so that the water vapor in the sample gas condenses on the dew point sensor; The signal collected by the receiver is automatically controlled by a circuit to maintain equilibrium between the dew point on the dew point sensor and the water vapor in the gas. Accurately measure the temperature of the dew point sensor using a platinum resistance thermometer to obtain the dew point temperature of the gas.
A gas metering system is defined as a transfer in which a fluid or gas is measured and sold from one direction to another. In the process of trade handover, accuracy is crucial for both the company delivering the materials and the ultimate recipient when transmitting them. CTM is defined as an instrument designed, installed, and operated to meet the requirements of trade handover measurement. Trade handover requires a complete metering system designed and manufactured for measuring product gas applications, not just flow meters.
Online dew point meters can accurately measure the dew point temperature of air or other gases. This series of dew point meters has the advantages of high accuracy, wide applicability, and low cost. They are suitable for steel, petrochemical, oven, drying oven, environmental testing, calibration laboratory, paint booth, process gas monitoring and gas production fields, using the principle of spotlight measurement to ensure high accuracy and reliability.
There are various measurement methods for online dew point meters, and their performance and price are completely different. This requires caution when choosing instruments, not only considering performance and price, but also the location and measurement of the instrument. So how to choose a suitable dew point meter for natural gas pipelines?
The measurement of dew point is very important for meteorology or other industries closely related to temperature. Usually, we accurately measure it through online dew point meters. In fact, there are many different classifications to meet the needs of different occasions.
Founded in March 2015, it is a company specializing in the gas analysis instrumentation industry and the field of high-precision sensors.
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