Kofloc Model D3810 Digital Mass Flow Meter is a completely renovated digital mass flow meter designed on the basic structure of the existing KOFLOC Model 3810. Incorporating a CPU inside and equipped with an innovative sensor, a single unit of this new model covers a broad range of flows from very small to large.

Characteristics

Technology: thermal mass
Fluid: for air
Installation: in-line
Other characteristics: digital, compact, precision, economical
Volumetric flow rate: 50 l/min (13.2 us gal/min)
Process temperature: Min.: 5 °C (41 °F), Max.: 45 °C (113 °F)
Process pressure: 980,000 Pa (142.14 psi)

Pressure-Proof: 980 kPa (G)

Allowable ambient temperature: 5 – 45 ℃
Allowable ambient humidity: 10-90% (No condensation allowed)
Materials of the parts in contact with gases: Body SUS303, PTFE
Sealing: FKM (option: CR or NBR)
Electric connection: 5-171826 (made by AMP)
Flow rate output signals: 0-5 VDC (Allowable external load resistance: 250 k&Ome

Features

An economical but high-precision sensor that uses the bypass capillary method
Digital control allows the user to handle a broad range of flows(100 cc to 50 L).
Compact design (overall size is one size smaller than the Model 3810)

Applications

Air sampling
Analyzer component
Bioreactor
Biotechnological process
Burn control
CCFL manufacturing
Chamber pressure control
Chemical process
Environment monitoring
Electronic device manufacturing
Food production
Fuel cell testing
Fermentation process
Gas blending
Gas distribution
Gas flow monitoring
Gas generation
Industrial furnace
Leak testing
Pharmaceutical process
Pollution monitoring
Process flow control
R&D
Solar power element manufacturing
Purge gas measurement

Specifications

Flow range (N2 equivalent, 20℃/1 atm)	50 SLM
Sensor	Thermal mass flow sensor
Response	7 sec. or less
Accuracy	≥25 SLM ±2% RD < 25 SLM ±3% F.S. (20℃)
Repeatability	±0.5% F.S.
Proof pressure	980 kPa (G)
Allowable ambient temperature	5–45℃
Allowable ambient humidity	10–90% (No condensation allowed)
Materials of parts in contact with gases	Body: SUS303, PTFE
Materials of parts in contact with gases	Sealing: FKM (option: CR or NBR)
Electric connection	171826-5 (made by AMP)
Flow rate output signals	0–5 VDC (Allowable external load resistance: 250 kΩ or more)
Required power supply	±15 VDC ±5%, 60 mA
Joint (Main unit bore)	Rc 1/4
Weight	Approx. 500 g

!!Note!!
Specifications relating to the flow range (e.g., flow range, accuracy and response) are expressed in N2 or air equivalent. The product will be built with the primary pressure of 300 kPa or less and the secondary side open to the atmosphere. For details on the pressure requirements, please contact us.