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Litre Meter Pelton Wheel

Litre Meter have manufactured the LM and MM range of pelton wheel turbine flowmeters since 1975. The VFF range of rotary piston positive displacement meters joined the line-up in 1985. Litre Meter specialise in low flow measurement. Many of the meters are customised to customers precise requirments particularly in the field of Oil & Gas.

LM Low Flow
MM High Flow
VFF Rotary Piston
Instrumentation
Calibration

LM Pelton Wheel - low flow
Click Photo for Spec Sheet	Description	Flow range	Liquids	Accuracy	Pressure/ Temperature	Features
LMGN	Low cost, plastic bodied Pelton Wheel flowmeter with push-on hose connections, providing a pulse output.	0.006 to 0.1 l/min up to 0.1 to 28 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 005 requires linearisation.	Pressures up to 2 bar and temperature from -20 to +70°C.	Low cost glass nylon meter ideal for general applications with low pressure and temperatures.
LM SPFA	Pelton Wheel flowmeter with 316 stainless steel body, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 requires linearisation.	Pressures up to 40 bar and temperature from -20 to +70°C. See datasheets section for 120 bar option.	Designed for use with medium pressure and temperature applications; male BSP threaded connections. Hazardous area approved units available.
LMX series	Inline Pelton Wheel flowmeter with integral flow straighteners, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min; 1-65 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 require linearisation.	Pressures up to 100 bar and temperature from -20 to +100°C.	Meters all provided with 1/2" BSP or NPT male threaded connections. LM 003 and 005 have 8mm OD tube option (LMXS).
LM SS	Pelton Wheel flowmeter with high pressure 316 stainless steel body, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 requires linearisation.	Pressures to 345 bar & higher, temperature from -50 to +135°C.	Male BSP threaded connections, NPT option. IP68. IS option.
LM Ti	Pelton Wheel flowmeter with titanium body, for aggressive applications, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 requires linearisation.	Pressures to 50 bar & higher, temperature from -50 to +135°C.	Male BSP threaded connections. IP68, IS option.
LM Ha	Pelton Wheel flowmeter with Hastelloy body, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 requires linearisation.	Pressures to 10 bar & higher, temperature from -50 to +70°C.	Female BSP or NPT threaded connections or to customers requirements. IP68. IS option.
LM Du	Pelton Wheel flowmeter with high pressure Duplex stainless steel body, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min and 33 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability. 003 & 005 requires linearisation.	Pressures to 690 bar & higher, temperature from -50 to +135°C.	Connections to customers specification – typically NPT/Grayloc®/Destec/Galperti/Autoclave/Butech. IP68. IS option.
LM PVC	Pelton Wheel flowmeter with PVC body, 1/2" connections providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min and 33 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 5 bar & higher, temperature from -10 to +50°C.	Designed for low pressure and temperature applications; solvent weld connections, alternative end connections also offered. IP68. Also in PVDF and PFA. IS option.
LM PVC3	Pelton Wheel flowmeter with all-PVC body, 1/2" connections, no metal wetted parts, providing a pulse output.	0.004 to 0.06 l/min up to 0.1 to 28 l/min and 33 l/min	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 5 bar, temperature from -10 to +50°C.	Designed for aggressive chemical low pressure and temperature applications; solvent weld connections, alternative end connections also offered. IP68. Also in PVDF and PFA.

MM Pelton Wheel - high flow
Click Photo for Spec Sheet	Description	Flow range	Liquids	Accuracy	Pressure/ Temperature	Features
MM SPFA	Designed for use with medium pressure and temperature applications. Pelton Wheel flowmeter with 316 stainless steel body, providing a pulse output.	1 to 65 l/min up to 10 to 500 l/min and higher.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 40 bar, temperature from -20 to +70°C. See datasheets section for 120 bar option.	Designed for use with medium pressure and temperature applications; female BSP threaded connections, wafer fit over 1¼". Hazardous area approved units available on request. Alternative end connections also offered.
MM SS	Designed for use with high pressure and/or high temperature applications. Pelton Wheel flowmeter with 316 stainless steel body, providing a pulse output.	1 to 65 l/min up to 10 to 500 l/min and higher.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures ratings from 30bar to 345 bar and higher, temperature from -50 to +135°C.	Female BSP threaded connections, wafer fit over 1¼". Hazardous area approved units available on request. Alternative end connections also offered.
MM Ti	Designed for use in aggressive applications. Pelton Wheel flowmeter with titanium body, providing a pulse output	1 to 65 l/min up to 10 to 500 l/min and higher.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 50 bar, temperature from -50 to +135°C.	Female BSP threaded connections, wafer fit over 1¼". Hazardous area approved units available on request. Alternative end connections also offered.
MM PVC	Pelton Wheel flowmeter with PVC body, providing a pulse output.	1 to 65 l/min up to 10 to 500 l/min and higher.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 5 bar, temperature from -10 to +50°C.	Designed for low pressure and temperature applications; solvent weld connections, wafer fit above 1¼", alternative end connections also offered. IP68.
MM PVC3	Pelton Wheel flowmeter with all-PVC body, no metal wetted parts, providing a pulse output.	1 to 65 l/min up to 10 to 500 l/min and higher.	Any non abrasive, chemical compatible low viscosity liquid.	±2% reading - linearity. ±0.25% repeatability.	Pressures to 5 bar, temperature from -10 to +50°C.	Designed for aggressive chemical low pressure and temperature applications; solvent weld connections, wafer fit above 1¼", alternative end connections also offered. IP68. Also in PVDF and PFA.

VFF Rotary Piston Positive Displacement Flowmeters
Click Photo for Spec Sheet	Description	Flow range	Liquid	Accuracy	Pressure/ Temperature	Features
LF15	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 45 l/hr. Minimum subject to fluid viscosity e.g. 0.1 l/hr on 50cSt and 0.018 l/hr with special calibration	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 414 bar and above (max 4000bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
MF30	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 90 l/hr. Minimum subject to fluid viscosity e.g. 0.7 l/hr on 3cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 414 bar and above (max 4000bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
VFF4	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range.	0 to 250 l/hr. Minimum subject to fluid viscosity e.g. 1.6 l/hr on 50cSt and 0.8 l/hr with special calibration	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 110 bar and above (max 2500bar), temperature from -40 to +150°C.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available. Hazardous area approved as standard. IP68.
VFF8	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range.Hazardous area approved as standard.	0 to 500 l/hr. Minimum subject to fluid viscosity e.g. 3.2 l/hr on 50cSt and 1.6 l/hr with special calibration	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 110 bar and above (max 2500bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
HF20	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 1200 l/hr. Minimum subject to fluid viscosity e.g. 6 l/hr on 11cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 110 bar and above (max 1380bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
HF40	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 2400 l/hr. Minimum subject to fluid viscosity e.g. 12 l/hr on 11cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 110 bar and above (max 1380bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
HF66	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 4000 l/hr. Minimum subject to fluid viscosity e.g. 270 l/hr on 11cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 110 bar and above (max 1380bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
V125	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 6000 l/hr. Minimum subject to fluid viscosity e.g. 500 l/hr on 11cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 40 bar and above (max 1035bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.
V270	Positive displacement flowmeter with 316 stainless steel body, providing a pulse output. Nitronic SS, brass or carbon rotor dependent on pressure and flow rate range. Hazardous area approved as standard.	0 to 16500 l/hr. Minimum subject to fluid viscosity e.g. 1500 l/hr on 11cSt	Any non abrasive, chemical compatible clean liquid. 0.8 to 1,000,000 cSt. For higher viscosities up to 2000 cSt a reduced maximum flow rate may apply.	±1% reading - linearity. ±0.5% reading - with linearisation ±0.25% repeatability.	Pressures up to 40 bar and above (max 690bar), temperature from -40 to +150°C. IP68.	Simple construction with only one moving part and reed switch pulse output. Available with any end connections to suit your application. Female NPT threaded connections standard, wafer fit available.

Instrumentation for Pelton Wheel and VFF Flowmeters
Click Photo for Spec Sheet	Description	Features	Input Power	Output Signals	Other
F112	Flow rate/total and accumulated total display instrument, 15 point linearisation. Hazardous Area option.	Seven 17mm and eleven 8mm digits. Direct or wall mount.	8-28 Vdc. 2-24 Vac/dc or 115-240 Vac supply option.	Pulse, 4-20mA, as standard. MODBUS, RS485, 0-10V option IP67 NEMA4X GRP enclosure, Aluminium option	For flow alarm option see F118 -30°C to +80°C IP67 NEMA4X GRP enclosure, Aluminium option
F118	Flow rate/total and accumulated total display instrument, 15 point linearisation. High/Low alarms. Hazardous Area option.	Seven 17mm and eleven 8mm digits. Direct or wall mount.	8-28 Vdc. 2-24 Vac/dc or 115-240 Vac supply option.	Pulse, 4-20mA, as standard. MODBUS, RS485, 0-10V option IP67 NEMA4X GRP enclosure, Aluminium option	Without flow alarm option see F112 -30°C to +80°C IP67 NEMA4X GRP enclosure, Aluminium option
FlowPod	Display Instrument with Flow rate/Accumulated flow display and linearisation. Five 13mm and eleven 7mm digits.	8 digit LCD display and unique analogue ribbon Programming by RS485 or front panel 16 point linearisation Wall mounted	24 Vdc Supplies up to 15Vdc max 50mA	Pulse, 4-20mA, MODBUS as standard.	8 digit LCD display and unique analogue ribbon On site calibration
M.BDC60 Batcher	Display Instrument for Batching with Flow rate/Accumulated flow display and linearisation. Large LED character size.	8 digit LED display Programming and batch set by front panel 16 point linearisation Panel mounted	24 Vdc 95 to 265 Vac 50Hz/60Hz	Standard 2 channel flow alarm with SPCO relays (rated 240Vac 5A resistive and 3A inductive loads). Can also be configured for flow status and/or valve leakage. Pulse, 4-20mA & 0-5Vdc options	On site calibration mode Total reset Optional outputs
FPod Exd for VFF	Display Instrument with Flow rate/Accumulated flow display and linearisation. Five 13mm and eleven 7mm digits.	8 digit LCD display Programming by 16 point linearisation Meter or remote mounted	24 Vdc	Pulse, 4-20mA, Flow alarm. HART, FFB, Profi as option.	Painted, SS option INMETRO, ATEX, UL

Calibration Facilities
Click Photo for Spec Sheet	Description	Fluid	Flow Range	Method	Features	Location
Calibration in UK	6 calibration rigs for liquid measurement	Water or any fluid/viscosity	0.00016 to 1000 l/min	Gravimetric or Master Meter	UKAS and traceable	Litre Meter, UK
Calibration Elsewhere	Located around the world, Litre Meter's network of partners have a very wide range of calibration rigs.	Water, oils, gases	Almost any!	Gravimetric, Master meter, piston prover, primary standard, volumetric, portable	UKAS, NIST, OKD and other traceablities.	Worldwide, but all accessible through Litre Meter UK.
Calibration on Kral Flowmeters	OKD laboratory	Exxsol D120 - approximately 5 cSt	1 to 2250 l/min	Master Meter	ÖKD 24, traceable to International Standards, equivalent to UKAS.	Kral AG, Austria