1/2" Digital Flow Switch For Air

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$231.79

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Stock: In Stock
Model: RDDLZ-FLOW-12
Weight: 1.00
SKU: RDDLZ-FLOW-12

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Lightweight air flow switch with digital display can monitor data in real time. It is designed with water sensor to transmit data to the mainboard.

Specification

Model		RDDLZ-NPF2A751-04
Port Size Rc (PT)		1/2 inch
Measured Fluid		Air, Nitrogen (N₂)
Rated Flow Range		50~500L/min
Minimum Set Unit		5L/min
Accumulated Pulse Flow Rate Exchange Value (Pulse Width: 50 ms)		5L/pulse
Display Units	Instantaneous Flow Rate	L/min, CFMx10^-1
	Accumulated flow	L, ft³ x10^-1
Operating Pressure Range		-50KPa~0.75MPa
Operating Fluid Temperature		0~50℃
Power Supply Voltage		DC12~24V±10%
Current Consumption		170mA or less
Accumulated Flow Range		0~999999L
Detection Type		Heater type
Accuracy		±5% F.S.
Repeatability		±2% F.S.
Temperature Characteristics		±3% F.S. (15 to 35°C, 25°C reference), ±5% F.S. (0 to 50°C, 25°C reference)
Output	Switch Output	NPN open collector maximum load current: 80 mA Internal voltage drop: 1 V or less. Maximum applied voltage: 30 V, 2 outputs
	Accumulated Pulse Output	NPN or PNP open collector (same as switch output)
Hysteresis		Hysteresis mode: Variable (can be set from 0) Window comparator mode: 3-digit fixed
Response Time		Lights up when output is turned ON OUT1: Green OUT2: Red
Status LED’s		1 sec. or less
Environment	Enclosure	IP65
	Operating Temperature Range	Operating: 0 to 50°C Stored: –25 to 85°C (with no freezing and condensation)
	Withstand Voltage	1000 VAC for 1 minute between terminals and housing
	Insulation Resistance	50 mΩ or more (500 VDC measured via megohmmeter) between terminals and housing
Noise Resistance		1000V P-P Pulse width 1μs, duration 1 ns
Wire Size		M12 connector (3m)
Weight		1kg

Flow Rate Diagram

Voltage Output: A: 1V, B: 5V
Current Output: A: 4mA, B: 20mA

Pin Number & Wire Color

Pin Number	Content	Wire Color
1	DC (+)	Brown
2	OUT2	White
3	DC (-)	Blue
4	OUT1	Black

Dimensions (Unit: mm)

Details

Tips for installing an air flow switch

The flow switch needs to be installed on the straight section of the pipe or air duct
It is necessary to ensure that there are long enough straight pipes before and after the installation position of the flow switch. The length of the normal straight pipe should be greater than 10 times the diameter of the pipe.
Avoid installing or wiring flow switches near elbows, other fittings, valves, drains, narrow or wide pipe sections, and any other features that may cause significant fluctuations in flow through the area.

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