Kofloc Liquid Vortex Flow Meter with Temperature Correction

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Liquid:
- Ultrapure water, chemicals, and other liquids
Flow range:
- Liquid　2.5～250L/min
Accuracy:
- ±2～3%F.S.

Temperature sensor measures fluid temperature and temperature correction reduces accuracy errors due to changes in fluid temperature.
Wetted part New PFA (O-ringless).
Compact design.
Wide flow range available from 0.3～2.5L/MIN to 10～250L/MIN.
Water resistance equivalent to IP65.
CE

Specifications:

MODEL			FML-301	FML-302	FML-303	FML-304	FML-305
Connection			3/8" tube end	1/2" tube end	3/4" tube end	1" tube end	1 (1/2)" tube end
Flow range			0.3 to 2.5L/min	0.4 to 4.0L/min	2.0 to 16L/min	5.0 to 50L/min	10 to 100L/min
Fluid			Water, pure water, chemical solution
Accuracy			±2%F.S. (25°C)				±3%F.S. (25°C)
Temperature accuracy			±2°C ±0.15×ΔT°C (ΔT: Ambient temperature - Fluid temperature)
Repeatability			±0.5%F.S.
Fluid temperature			0°C to 90°C (no freezing and boiling)
Accuracy guarantee temperature			Fluid temperature 15°C to 60°C
Max working pressure			1MPa(G) @25°C			0.75MPa(G) @25°C	0.65MPa(G) @25°C
Allowable ambient temperature			0°C to 50°C (no freezing)
Allowable ambient humidity			95%RH or less (no dew condensation)
Storage temperature			-10°C to 70°C (no freezing)
Protective structure			Equivalent to IP65 (drip-proof dust-proof)
Materials of parts in contact with liquid			New PFA
Output	Flow rate output	Without display	Current: 4 to 20mA, Allowable load resistance: 250Ω to 500Ω at 24VDC input, 250Ω or less at 12VDC input or pulse output (1kHz at F.S. Duty: 50%, NPN open collector output: Max. 30VDC / 80mA)
		With display	Current: 4 to 20mA, Allowable load resistance: 250Ω to 500Ω at 24VDC input, 250Ω or less at 12VDC input or pulse output (1kHz at F.S. Duty: 50%, NPN open collector output: Max. 30VDC / 80mA) Integrated flow output: Pulse output
	Temperature output (only when water runs)	Without display	1-5VDC (0°C to 100°C), External load resistance: 250kΩ or more
		With display	Current: 4 to 20mA (0°C to 100 °C), Allowable load resistance: 250Ω to 500Ω at 24VDC input, 250Ω or less at 12VDC input
	Alarm output		Alarm contacts: 2points NPN open collector output, Max. 30VDC / 80mA (only with display)
Digital communication			RS485 (MODBUS protocol, RTU mode) (only with display)
Power supply			12 to 24VDC ±10%, Current consumption (80mA or less without display, 140mA or less with display)
Cable length			3m terminated, preliminary soldering
Weight		Without display	160g or less			175g or less	200g or less
		With display	165g or less			180g or less	205g or less

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