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G2-Series General Purpose Indicating Flow Meters & Transmitters

1/2" SS Indicating Flow Transmitter, 1-10 GPM, 4-20mA & Pulse Output


Item# G2S05N42GMX

In stock

Lead Time (If not in stock): 4 weeks
1/2" SS Indicating Flow Transmitter, 1-10 GPM, 4-20mA & Pulse Output G2S05N42GMX G2S05N42GMX
  • Meter is designed for thin fluids < 100 cP
  • 2 Totals (Batch Total = Resettable, Total = Non-Resettable) Rate of Flow
  • Internal parts are simple to replace for easy maintenance
  • Indication Only, Indication and Pulse, Indication Pulse & Current Outputs Available

G2S05N42GMX Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Flow Range
Output Signal
Process Connection Size
Media type
Max Operating Pressure
Max Process Temperature
Wetted Materials
Process Connection Type

Turbine Meters with microprocessor-based electronics offers a durable, compact, high-precision fluid measurement device, with total and rate indication. Information is clearly displayed on a large 6-digit liquid crystal display with only 2-point floating decimal for totals from 0.01 to 999,999. All operations are easily performed with only 2 buttons.

The basic unit and display are powered by 2 AAA batteries, providing up to 2 years of use. Cumulative total, batch total, and rate of flow are standard. A single-point field calibration curve can be stored in memory.


   G2SO5: ±2% rdg
   G2SO7, G2S10: ±1.5% rdg
   G2S15, G2S20: ±1.0% rdg
Repeatability: ±0.1%
Pressure Rating: 1500 psig (103 bar)
Temperature Range: -10° to 60°C (14 to 140°F)
Viscosity: Rated accuracy for fluids with viscosity of water (1 cSt); meters with display can be used for fluids up to 100 cSt with field calibration
Wetted Components:
   Housing: 316 SS
   Journal Bearings:Ceramic (96% alumina)
   Shaft: Tungsten carbide
   Rotor and Supports: PVDF
   Retaining Rings: 316 SS
   G2SXXNQ9GMX: None
   G2SXXN42GMX: 4-20 mA & Pulse
Display: 6-Digit LCD indicates flow rate, batch and cumulative total
Battery Life: 2 years
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Does this come with calibration paper work?

Asked by: jhankins
Thank you for your inquiry. Unfortunately, only a CAL-1, which is a Certificate of Conformance, is available.
Answered by: Applications Engineer JJC
Date published: 2024-01-13

Hi, Can we install turbine flow meter in vertical line? What is the preferred installation position vertical/horizontal and why ?

Asked by: saurabh
Thank you for your inquiry. Ideally, we prefer to have the flow meter installed in a horizontal pipe, yet, you may have placed in a vertical position. The key is to have the flow direction go from floor to ceiling, not the opposite, to ensure a full flow in the pipe.
Answered by: Application Engineer JJC
Date published: 2024-03-05
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