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Model Prefix: OM050

Nominal size ( inches ) 50mm(2")
* Flow range ( litres/ ) 30 ~ 450
* Flow range ( USGM 8 ~ 120
Accuracy @ 3cp

± 0.5% of reading ( ± 0.2% with optional RT12 )

Repeatability typically ± 0.03%
Temperature range -20ºC ~ +120ºC ( -4ºF ~ +250ºF )
Maximum pressure ( threaded meters ) bar( PSI )
aluminium 20 ( 300 )
316L stainless 38 ( 560 )
high pressure stainless refer factory for options
Protection class IP66/67 (NEMA4X), optional Exd IIB T6 or I.S.
Recommended filtering 150 microns ( 100 mesh ) minimum

ELECTRICAL - for pulse meters

(see also optional outputs)
Output pulse resolution pulses / litre ( pulses / US gallon ) - nominal
Reed switch 6.5 (25)
Hall effect 26 (99)
Quadrature Hall option 13 (50)
Reed switch output 30Vdc x 200mA max.(max. temp. shock 10ºC (50ºF) / min)
Hall effect output (NPN) 3 wire open collector, 5~24Vdc max., 20mA max.
Optional Functions  
Display flowrate, total (accumulative & resettable)
Preset batching 1 & 2 stage high speed batch control
IP65 3 digit reset mechanical totaliser 999.9 ltr/gal  9999 litres or gallons
IP65 4 digit reset mechanical totaliser 9999.9 ltr/gal  99999 litres or gallons
Mechanical Accum. totaliser capacities M1 & M2 (6 digit), M3 & M4 (8 digit)
Optional Outputs  
Flow 4 ~ 20mA, high & low flow rate alarms
Pulse scaled pulse(programmable) , pulse amplifier

* Maximum flow on fuels may be maintained for intermittent periods of refuelling.

* Maximum flow is to be reduced as viscosity increases, max. pressure drop 100Kpa (15psi)

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