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Digital LCD Dipaly Thermal Gas Mass Flow Meter Circuit Board Thermal Gas Mass Flowmeter Circuit Natural Gas Flowmeter
Digital LCD Dipaly Thermal Gas Mass Flow Meter Circuit Board Thermal Gas Mass Flowmeter Circuit Natural Gas Flowmeter
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SPECIFICATIONS
Accuracy: ±1%F.S,±1~2.5%
Connectivity: Thread
Custom function: design according to different shell size and parameter requirements
Flow Rate: 0
Input signal: platinum resistor(Pt20andPt1000,Pt20andPt300)
Measurement Range: 9999
Measuring Medium: Various gases (Except the acetylene)
Medium: Gas,Air
Power supply: 24VDC or 85-220VAC
Product Name: Thermal Gas Mass Flow converter
Response cycle: 1S
Using environment: - 30°C + 70°C(with LCD)
accuracy: +/-1%,+/-1.5%
brand name: ANGJI
keyword: natural gas Thermal Gas Mass Flow Meter Converter
material: ABS,Aluminum
model number: TMF-P0C1
output: 485interfaces ,Hart protocol,Pulse ,4-20mA,Alarm of upper, lower limit
place of origin: Shanghai, China
type: Variable Area Water Flowmeters,Variable Area Air & Gas Flowmeters,Variable Area Petrolum Flowmeters,Variable Area Oil Flowmeters
Thermal Gas Mass Flow converter is designed on the basis of thermal dispersion, and adopts method of constant differential temperature to measuring gas flow. It has advantages of small size, easy installation, high reliability and high accuracy, etc.
model series |
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TMF-D0P1C1A0F0 |
LCD English display, 4-wire, 4 ~ 20mA current output, pulse output, 85 ~ 250V AC / 24V DC dual power supply, isolated RS-485 communication, no alarm channel |
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TMF-D0P0C1A0F0 |
LCD English display, 4-wire, 4 ~ 20mA current output, pulse output, 24V DC power supply, isolated RS-485 communication, no alarm channel |
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TMF-D0P1C1A2F0 |
LCD English display, four-wire, 4 ~ 20mA current output, pulse output, 85 ~ 250V AC / 24V DC dual power supply, isolated RS-485 communication, two alarm channels |
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TMF-D0P1C2A0F0 |
LCD English display, 4-wire, 4 ~ 20mA current output, pulse output, 85 ~ 250V AC / 24V DC dual power supply, isolated RS-485 communication + HART communication, no alarm channel |
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TMF-D0P1C2A2F0 |
LCD English display, four-wire, 4 ~ 20mA current output, pulse output, 85 ~ 250V AC / 24V DC dual power supply, isolated RS-485 communication + HART communication, two alarm channels |
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1. LCD dot matrix display, Instant flow rate and totalized flow and temperature and Current Speed value can be displayed simultaneously with high-brightness backlight，simple and clear operation.
2. The 16 bit microcomputer chip has the advantages of high integration, small size, good performance and strong function of the whole machine.No mechanical movable parts, stable and reliable, long life, long-term operation without special maintenance.
3. It has self checking function, rich self checking information, convenient for user to overhaul and debug
4. With EEPROM technology, the parameter setting is convenient and can be permanently saved, and the longest historical data can be saved for one year.
5. It has self checking function, rich self checking information, convenient for user to overhaul and debug
6. Measuring mass flow or standard volume flow of gas
7. The converter has 40 segments of flow velocity and 5 sections of linear correction to ensure measurement accuracy.
8. Do not need to do temperature and pressure compensation in principle with accurate measurement and easy operation.
9. Wide range: 0.5Nm/s～100Nm/s for gas. The meter also can be used for gas leak detection
10. Good vibration resistance and long service life. No moving parts and pressure sensor in transducer, no vibration influence on the measurement accuracy.
11. Easy installation and maintenance. If the conditions on site are permissible, the meter can achieve a hot-tapped installation and maintenance.
12. Digital design, high accuracy and stability
13. The converter can output frequency pulse, 4 ~ 20mA analog signal, and has RS485 interface,HART communication，can be directly connected with the microcomputer.
14. Multi physical parameters alarm output, which can be chosen by users, output the switch signal
Electrical performance index |
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Work power |
Power |
24VDC or 220VAC, Power consumption ≤18W |
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Pulse output mode |
A. frequency output, 0-5000HZ output, the corresponding instantaneous flow, this parameter can set the button. |
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B. equivalent pulse signal, the isolated amplifier output, high level of more than 20V and the low level is less than or equal to 1V, the unit volume can be set on behalf of the pulse range: 0.0001m3~100m3. Note: select the output equivalent pulse signal frequency is less than or equal to 1000Hz |
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RS-485 communication (photoelectric isolation) |
using RS-485 interface, can be directly connected with the host computer or the two remote display table, medium temperature, pressure and standard volume flow and standard with temperature and pressure compensation after the total volume |
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correlation
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4 ~ 20mA standard current signal (photoelectric isolation, HART communication) and the standard volume is proportional to the corresponding 4mA, 0 m3/h, 20 mA corresponding to the maximum standard volume (the value can be set at a level menu), standard: two wire or three wire, the flowmeter can automatically identify the inserted module according to the current correct and output |
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Control alarm signal output |
1-2 line Relay, Normally Open state, 10A/220V/AC or 5A/30V/DC |
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