Rotameter

ROTAMETER (FLOAT FLOW METER)

A rotameter is a device used to measure the volumetric flow rate of liquids in a closed pipe. The rotameter does not require external power or fuel; it operates solely using the inherent properties of the fluid and gravity to measure flow. It is easy to install, simple to read, cost-effective, and most importantly, accurate. Considering that the flow passage area increases as the float moves upward in the tube, the scale is approximately linear. The WRS rotameter also allows the installation of high/low flow signal switches, providing our valued customers with greater control over their systems.

Model	Connection	Measuring Range	D	d	H
LZS-15	DN15	5–50 l/h	45	20	202
		10–100 l/h
		16–160 l/h
		25–250 l/h
		40–400 l/h
		60–600 l/h
		100–1000 l/h
LZS-20	DN20	40–400 l/h	45	25	202
		60–600 l/h
		100–1000 l/h
LZS-25	DN25	100–1000 l/h	60	32	226
		160–1600 l/h
		250–2500 l/h
LZS-32	DN32	0.4–4 m³/h	74	40	288
LZS-32	DN32	0.6–6 m³/h	74	40	288
LZS-50	DN50	0.4–4 m³/h	96	63	341
		0.6–6 m³/h
		1–10 m³/h
		1.6–16 m³/h
LZS-65	DN65	2.5–16 m³/h	122	75	430
		5–25 m³/h
		8–40 m³/h
		12–60 m³/h
LZS-100	DN100	14–90 m³/h	215	110	555
LZS-100	DN100	20–120 m³/h	215	110	555
LZS-125	DN125	20–120 m³/h	250	140	550
		18–150 m³/h
		20–180 m³/h
LZS-150	DN150	20–120 m³/h	280	160	550
		18–150 m³/h
		20–180 m³/h

ROTAMETER SIGNAL TRANSMITTER

Model	LS650 – High flow signal transmitter LS651 – Low flow signal transmitter
Voltage	Max. 24VDC / 24VAC
Current	Max. 0.3 A
DC (Switching)	Max. 0.1 A
Instantaneous power	Max. 1VA
Forward resistance	< 200 mΩ
Insulation resistance	>10⁹ Ω
Operating temperature	0 – 55 °C
IP protection class	IP65
Hysteresis distance	4 mm
Dimensions	42 × 23 × 45 mm

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Rotameter

ROTAMETER (FLOAT FLOW METER)

ROTAMETER SIGNAL TRANSMITTER

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