Chemical Flow Meter

Specification of Chemical Flow Meter

Measured Medium	Impurity-free, low-viscosity, non-strongly corrosive liquid
Execution Standard	Turbine flow sensor (JB/T9246-2016)
Verification Regulation	Turbine flowmeter (JJG1037-2008)
Instrument Caliber and Connection Method	Flange connection type: DN15-DN200; Thread connection type: DN4-DN50
Flange Standard	Conventional standard	HG/T 20592-2009
	Other standards	International pipe flange standards	Such as German DIN, American ANSI, Japanese JS
		Domestic pipe flange standards	Such as Ministry of Chemical Industry standards, Ministry of Machinery standards
Thread Specification	Conventional specification	British pipe thread (external thread)
	Other specifications	Internal thread, spherical thread, NPT thread, etc.
Accuracy Class and Corresponding Repeatability	Accuracy class*1	±1%R	±0.5%R	±0.2%R (customization required)
	Repeatability	≤0.33%	≤0.17%	≤0.07%
Range Ratio	6:1, 10:1, 20:1
Verification Conditions	Verification device	Standard meter method liquid flow verification device; Static mass method liquid flow verification device
	Environmental conditions	Ambient temperature: 20℃; Relative humidity: 65%
Operating Conditions	Medium temperature	Standard: -20℃~80℃
	Ambient temperature	-20℃~60℃
	Relative humidity	5%~90%
	Atmospheric pressure	86Kpa~106Kpa
Output Function	Signal output	Pulse signal, 4-20mA signal
	Communication output	RS485 communication, HART protocol
Working Power Supply	External power supply	+24VDC, suitable for 4-20mA output, pulse output, RS485, etc
	Internal power supply	CM0, CM4 (1 set of 3.6V 19Ah lithium battery)
Signal Line Interface	N type	Hirschmann connector DIN43650 or aviation plug CX165P
	Full series	Metal waterproof buckle internal thread M20×1.5
Explosion-proof Grade	ExdIIC T6 Gb
Protection Grade	IP65 or higher (customizable)

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