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Insertion Type Thermal Mass Flowmeter
304 SS Thermal Mass Flow Meters are designed on the basis of thermal dispersion, using constant differential temperature to measure gas flow. The meter contains two platinum resistance temperature sensors, one of which is used conventionally as a temperature sensor, the other is used as a heater. The thermal principle operates by monitoring the cooling effect of a gas stream as it passes over a heated sensor.
The temperature sensor monitors the actual process values while the heater is maintained at a constant differential temperature above this by varying the power consumed by the sensor. The greater the gas velocity, the greater the cooling effect and power required to maintain the differential temperature. The measured heater power is therefore a measure of the gas mass flow rate.
| 2 Inch | FMPHILEMON20041224VDX | 0-412 CFM |
| 3 Inch | FMPHILEMON300105924VDX | 0-1059 CFM |
| 6 Inch | FMPHILEMON600370824VDX | 0-3708 CFM |
Specifications:
- Size: 2”-6" Insertion Type Flow Meter
- Temp. Range: -20°F to 350° F
- Max. Pressure: 200 psig
- Body and Sensor Material: 304 SS
- Power: 24VDC
- Signal Output: 4-20mA, configuring with HART interface for integration
- Digital Design, 4 Line LCD Display
- Accuracy: ± 1.0%
- Response time: 1 sec.
- Housing: IP65 and Explosion Proof Ratings for Hazardous Locations
- Good Vibration resistance and long service life. No moving parts in transducer to effect measurement accuracy.
- Applications: BioGas, Environmental Remediation, Industrial Process
A. If not satisfied with a PRM product for any reason, customers should contact PRM. Returns submitted within 30 days of the original invoice and must be in original packaging and in new condition. Please contact PRM to provide additional information regarding a return.
B. PRM Limited Warranties are applicable to PRM branded products, non-transferable, and warrant against manufacturer defects in workmanship and materials under normal use for 1 year after the date of the PRM invoice unless otherwise stated. If PRM approves the product is accepted for return during the limited warranty period, PRM may repair, replace, or refund the amount paid by the customer.
C. Non-PRM branded products retain their manufacturer's warranty. Customer should contact the manufacturer for warranty service.
D. PRM is not liable for claims arising out of product misuse, improper product selection, improper installation, and/or product modification. PRM's liability in all events is limited to the purchase price paid for the product.
The vast majority of PRM products ship directly from our facility within one business day. High value items such as blowers, pumps, and fans may have extended lead times due to global supply. Please consider contacting PRM prior to your purchase if it's necessary to know an exact delivery date and time.
IMPORTANT: All goods must be inspected immediately upon delivery. Any shipping damage, missing items, or product defects must be reported to both PRM Filtration and the shipping carrier within 24 hours of delivery. Failure to report issues within this timeframe may result in your claim being denied. Please retain all original packaging materials, as they may be required for filing a damage claim.
Product Recovery Management, Inc. Returns/Exchanges
200 20th Street
Butner, North Carolina 27509.
Do not send us a damaged or defective item for exchange prior to contacting us. We will then contact you regarding your return. We cannot accept exchanges unless we have responded to your request.




