OG2 Special 700 Bar (Oval Gear) High Pressure Flow Meter: SummaryOG2 700 Bar High Pressure Flowmeter : FeaturesOG2 700 Bar High Pressure Flowmeter: SpecificationsOG2 700 Bar High Pressure Flowmeter: Order CodesSTP File Download (3D File)OG2 Oval GEar Special 700 Bar Flow Meter (PDF download)OG2 Oval GEar Special 700 Bar Flow Meter: Instruction Sheet (PDF download)

(OG2) Special 700 Bar – Oval Gear Flow Meters & Sensors

high pressure oval gear flow meter 700 bar

OG2 700 Bar High Pressure Oval Gear Flow Meter/Sensor

These compact rugged, high-pressure oval gear flow meters/sensors are designed to give high performance with a low cost of ownership. There are two flow ranges to choose from, 1 and 4 L/min full scale. The standard inlet and outlet are 1/8' or ¼' female threads. The output is frequency pulse that is proportionate to flow. The body is 316 St St with Viton® 'O' ring seals internally.

At the heart of the PG2 high pressure oval gear flow meters/sensors are a pair of toothed oval gears one of which contains chemically resistant magnets. Rotation is detected through the chamber wall by a Reed switch giving approximately 1100 or 2050 pulses per litre passed. The output is a voltage free contact closure. This combination of materials and technology ensures a long life product with reliable, accurate operation throughout.

Flowmeters: OG2 Special 700 Bar Oval Gear Flowmeter features

  • High pressure oval gear flow meter/sensor
  • 700 bar oval gear flow meter/sensor
  • Excellent chemical resistance
  • Rugged construction
  • Individual calibration
  • High viscosity capability
  • Low pressure loss
  • No flow conditioning required
  • Compact oval gear flow meter assembly
  • Reed switch sensor
  • Accuracy:
    • 1.0 % FSD water
    • 0.5 % FSD oil (30cSt)
  • 0.1% repeatability
  • IP67/NEMA 4 protection
  • 0.600kg

The OG2 High Pressure Flow Meter is Ideal for:

  • Oil flow
  • High viscosity fluids
  • OEM equipment
  • Hazardous area flow measurement
high pressure oval gear flow meter 700 bar

OG2 700 Bar High Pressure Oval Gear Flow Meter

High Pressure OG Meter Output

Magnets in the gears are detected using a Reed switch sensor. These sensors are very reliable. The reed switches are capable of over 1000 million operations. Being a simple contact closure they are classed as simple apparatus. And are easily interfaced with most existing electronic circuits.
NOTE: High tensile bolts are used on these meters and therefore they should not be used outdoors or in a corrosive environment.


Stainless standard OG2-SS7-VRE-B
Flow range OG1 – Water 0.10 – 1.0 L/min
Flow range OG1 – 30 cSt Oil 0.10 – 1.0 L/min
 Flow range OG2 – Water 0.15 – 4.0 LPM
 Flow range OG2 – 30 cSt Oil 0.03 – 4.0 LPM
Wetted materials – Body 316 St St
  – Gears Carbon filled PEEK
  – Seal Viton®
  – Magnet Ceramic
Accuracy – Water ± 1.0 % FSD
  – 30 cSt Oil ± 0.5 % FSD
Reliability   ± 0.1%
Detector type   Reed Switch
Terminations   M12 Instrument Socket
Approximate ‘K’ factor – Pulse/L   1100
Weight in KG: 0.60 KG  

Metra Clear Oval Gear PD Flow Meter: Order Codes

high pressure oval gear flow meter 700 bar

OG2 700 Bar High Pressure Oval Gear Flow Meter

OG2 Special 700 Bar Oval Gear Flow meter Ordering Codes

  • Model:
    OG1
    OG2
  • Body material: S – 316 St St
  • Temp rating: S = 80°C / 158°F
  • Pressure Rating: 7 – 700 Bar 10150 PSI
  • Seal material: V – Viton®
  • Detector type: X – Reed switch
  • Pipe thread: E – 1/8' | Q – ¼'
  • Connections : B – BSP F

e.g. OG2-SS7-VXE-B is a stainless steel meter
rated at 80°C, 700 Bar, Viton® seal, Reed switch
detector and a 1/8' BSP thread.

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