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GF Vietnam,Cảm biến lưu lượng kế 3-2551-P2-12 GF,GF Vietnam

General
Operating Range	0.05 to 10 m/s	0.15 to 33 ft/s
Pipe Size Range	DN15 to DN900	½ in. to 36 in.
Linearity	± 1% reading plus 0.1% of full scale
Repeatability	±0.5% of reading @ 25 °C (77 °F)
Minimum Conductivity	20 μS/cm
Wetted Materials
Sensor Body/Electrodes and Grounding Ring	-P0, -P1, -P2: PP/316L SS
	-T0, -T1, -T2: PVDF/Titanium
	-V0, -V1, -V2: PVDF/Hastelloy-C
O-rings	FPM (standard) EPR (EPDM), FFPM (optional)
Case	PBT
Display Window	Polyamide (transparent nylon)
Protection Rating	NEMA 4X/IP65
Electrical
Power Requirements	4 to 20 mA	24 VDC ±10%, regulated, 22.1 mA max.
	Frequency	5 to 24 VDC ±10%, regulated, 15 mA max.
	Digital (S3L)	5 to 6.5 VDC, 15 mA max.
Auxiliary (only required for units with relays)		9 to 24 VDC, 0.4 A max.
Reverse Polarity and Short Circuit Protected
Current Output 4 to 20 mA	Loop Accuracy	32 μA max. error (25 °C @ 24 VDC)
	Isolation	Low voltage < 48 VAC/DC from electrodes and auxiliary power
	Maximum Cable	300 m (1000 ft)
	Error condition	22.1 mA
	Max. Loop Resistance	300 Ω
	Compatible with PLC, PC or similar equipment
	4 to 20 mA load needed
Frequency Output	Output Modes	Freq., or Mirror Relay (display version only)
	Max. Pull-up Voltage	30 VDC
	Max. Current Sink	50 mA, current limited
	Maximum Cable	300 m (1000 ft)
	Compatible with Signet Model 8550, 8900, 9900, 9900-1BC
Digital (S3L) Output	Serial ASCII, TTL level 9600 bps
	Compatible with Model Signet 8900 controller
Relay Specifications
#1, #2 Type	Mechanical SPDT
Rating	5 A @ 30 VDC max., 5 A @ 250 VDC max.
#3 Type	Solid State
	50 mA @ 30 VDC, 50 mA @ 42 VAC
Hysteresis	User adjustable for exiting alarm condition
Alarm On Trigger Delay	Adjustable (0 to 9999.9 sec.)
Relay Modes	Off , Low, High, Window, and Proportional Pulse
Relay Source	Flow Rate, Resettable Totalizer
Error Condition	Selectable; Fail Open or Closed
Display
Characters		2 x 16
Contrast		User-set in four levels
Backlighting (only on relay versions)		Requires external 9-24 VDC, 0.4 mA max.
Max. Temperature/Pressure Rating
Storage Temperature		-20 °C to 70 °C	-4 °F to 158 °F
Relative Humidity		0 to 95% (non-condensing)
Operating Temperature	Ambient	-10 °C to 70 °C	14 °F to 158 °F
	Media	0 °C to 85 °C	32 °F to 185 °F
Maximum Operating Pressure		10.3 bar @ 25 °C	150 psi @ 77 °F
		1.4 bar @ 85 °C	20 psi @ 185 °F
Shipping Weight
	0.680 kg	1.50 lb
Standards and Approvals
	CE, FCC, UL, CUL, NSF (3-2551-PX-XX version only)
	RoHS compliant, China RoHS
	NEMA 4X / IP65 Enclosure (with cap installed)
	Manufactured under ISO 9001 for Quality and ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety