Sensor head ø8 FD-ECH8

FD-ECH8 - Sensor head ø8

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.

Specifications

Model			FD-ECH8
Supported pipe diameter	Pipe outer diameter		ø8
	Installable range		8.0 ±0.15 mm
	Pipe materials		Polyurethane, nylon, PFA^1, others^2
Supported fluids			Air, nitrogen, argon, other gases^*3
Supported fluid temperatures			−10 to +60°C
Operating pressure range			0 to 0.75 MPa (upper limit depends on pipe specifications)
Flow detection principle			Transmission time difference method
Rated flow	(volumetric flow)		70 L/min *Initial display
	(at 20°C, atmospheric pressure)	Gas at 20°C, 0.2 MPa	210 L/min
		Gas at 20°C, 0.4 MPa	350 L/min
		Gas at 20°C, 0.6 MPa	490 L/min
Repeatability			2.5% of F.S. at 250-ms response time^4^5
Display resolution	Instantaneous flow		0.01/0.1/1 L/min
	Integrated flow		0.01/0.1/1/10/100 L
Display method			Output indicators
Environmental resistance	Enclosure rating		IP65 (IEC60529)
	Ambient temperature		-10 to +60°C (no freezing)
	Relative humidity		35–85% RH (no condensation)
	Vibration resistance		10 to 500 Hz; Power spectral density: 0.816 G²/Hz; X, Y and Z directions
	Shock resistance		100 m/s², 16 ms pulses, 1000 times each for X, Y, and Z directions
Material	Sensor unit		PBT/PAR/Iron
	Sensor surface		Special rubber
Weight			Approx. 105 g
^1 PFA tubing should be used in environments of 40°C or less. ^2 The plastic tube through which ultrasonic waves penetrate. ^3 The gas through which ultrasonic waves penetrate. Readings may become unstable depending on the pipe’s internal pressure and the type of gas. ^4 Accuracy improves with longer response times. As a rule, this is by a proportion of √(250 ms/response time)x. ^*5 This is the guaranteed value from verification performed at KEYENCE inspection facilities. Errors may occur according to the type and condition of the customer’s pipes, the type of fluid, the fluid temperature, and other factors.

Data Sheet (PDF) Other Models