Model NO.: JH-RSFM-F
Measuring Media: Gas
Measuring Principle: Thermodynamic
Measurement Object: Closed Pipeline
Certification: CE, RoHS, ISO
Measuring Range: 1.2-200000m3/H
Power Supply: 220VAC
Signal Output: RS485,RS232,4-20mA
Display: LCD
Material: Ss316
Working Temperature: -20-350c
Anti-Explosion: Exdllct4
Protective Class: IP67
Trademark: JH
Transport Package: Carton
Specification: CE, ROHS
Origin: Shanghai
HS Code: 902610000
                              Thermal Gas Mass Flow Meter Â
Thermal Type Gas Mass Flowmeter utilizes the principle of heat exchange to measure fluid-flow. This meter employs method of constant temperature difference to accurately measure gas mass flow, and it has the advantages of small size, high degree of digitization, easy installation, accurate measurement, etc.
The sensor part consists of two platinum resistance converters of reference level. It utilizes bridge type loop circuit, with one converter measuring fluid temperature, and another maintaining constant temperature difference that is higher than fluid temperature. The measurement can be made under high temperature and high pressure situation. Â
Features:
-Calibrate output analog quantityÂ
- Directly measure gas mass flow, and gas temperature also can be output of the measuring system.
-Be adopted modular design method and operating principle to make the instrument higher measurement efficiency.
-Quick installation and manipulation menu allows the user easy to set parameters, and the instrument can flexibly display.
-It can cumulatively calculate flow and store the information in the EEPROM memory, and information will not be lost when power outage.
-Pressure drop or pressure loss can be negligible.
-Ratio of wide range can be 100:1.            Â
-It can be installed on the circular or rectangular pipe.
-Each instrument is individually calibrated, and it can be determined calibration scheme according to the requirement of user.
-Easy installation and maintenance. If possible, on line installations and maintenance are allowed.
-Ball valve accessories can be chose to remove or replace instrument easily in low pressure and non-toxic gas environment.
-Good anti-seismic performance and long useful life. The converter doesn't contain movable part and pressure sense part, so that the measuring accuracy is not influenced by shaking.
Applications:
Environmental protection , Petroleum , Petrochemical , power ,metallurgy , Chemical , food ,scientific research and other industries .
Technical parameters:
inline type
DN |
Kg/h |
Nm3/h (0°C1.013bar atm) |
Scf/min. (15°C1.013bar atm) |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
15Â Â Â |
0.5 |
53 |
0.38 |
41 |
0.23 |
25 |
25 |
2 |
200 |
1.5 |
155 |
1.0 |
96 |
40 |
6 |
555 |
4.6 |
429 |
3.0 |
266 |
50 |
10 |
910 |
7.7 |
704 |
5.0 |
436 |
80 |
20 |
2030 |
15.5 |
1570 |
10 |
974 |
100 |
38 |
3750 |
29 |
2900 |
18 |
1800 |
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insertion type
 DN |
Kg/h |
Nm3/h (0°C1.013bar atm) |
Scf/min. (15°C1.013bar atm) |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
80 |
20 |
2030 |
15.5 |
1570 |
9.6 |
974 |
100 |
38 |
3750 |
29 |
2900 |
18 |
1800 |
150 |
50 |
7500 |
38 |
5800 |
24 |
3600 |
200 |
80 |
12500 |
62 |
9666 |
38 |
6000 |
250 |
120 |
20000 |
93 |
15468 |
58 |
9600 |
300 |
180 |
28000 |
139 |
21655 |
86 |
13440 |
400 |
300 |
50000 |
232 |
38670 |
144 |
24000 |
500 |
500 |
80000 |
386 |
61870 |
240 |
38400 |
600 |
700 |
115000 |
540 |
88940 |
336 |
55200 |
700 |
900 |
159000 |
696 |
122970 |
432 |
76300 |
1000 |
2000 |
320000 |
1546 |
247846 |
960 |
153600 |
1500 |
2500 |
720000 |
1933 |
556844 |
1200 |
345600 |
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Flow range |
0.2-120 Nm/s (air under the standard conditions) |
Accuracy |
Flow values:± 1% F · S, and plus 0.2% of reading Temperature values: ±0.1°C |
Repeatability |
Flow values:± 0.5% Temperature values: ±0.03°C |
Range ratio |
100:1 to 1000:1, the factory setting. |
Temperature compensation |
standard temperature compensation |
Working temperature |
-40 - +932 ° F (-40 - +500 °C) |
Humidity |
99%, non-condensing |
Response time |
0.75s |
Temperature Effect |
± 0.05% / °C |
Operating pressure |
10Mpa at 20 °C  9.5Mpa at 200 °C |
Medium |
All gases that can be compatible with material of flow components. |
Environmental temperature |
-40 - +160 ° F (-40 - +70 °C) |
Storage temperature |
-40 ° - +160 ° F (-40 - +70 °C) |
Housing material |
NAME4X (IP65) aluminum casting of powder coating |
Process of connection |
NPT or flange |
Electrical interface |
M20×1.5 |
Power supply |
200-240VAC, 22-30VDC |
Signal output |
Current: 4-20mA, 700Ω maximum load Voltage:0-10VDC, 200ohm, 1-5VDC, 100 maximum load |
Communications |
485, HART, Profibus, CAN optional |
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HENGSHUI HOMART TECHNOLOGY CO.,LTD , https://www.hsjzgroup.com