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Mini Gas Meter Calibration System

Efficient & Portable Calibration for Domestic Gas Meters

The Mini Gascal is a compact, reliable and efficient calibration system engineered for domestic gas meter verification. Designed for easy operation and portability, it’s ideal for utility companies, meter manufacturers, and calibration labs.

  • Meter Size Compatibility: G1.6 to G6
  • Flow Range: 0.16 to 6 m³/h
  • Max Pressure: 1 bar
  • Calibration: One meter at a time
  • Power Supply: Single phase 230 VAC / 50 Hz
  • Operation: Manual clamping & flow control
  • Design: Lightweight, portable structure with integrated control panel
Why Choose Nagman ?
  • Compact, Space saving design
  • NABL traceability and high repeatability
  • Easy installation and maintenance

Domestic Gas Meter Manufacturing Units

Meter Testing and Calibration Labs

Utility & Distribution Networks

R&D Facilities and Service Centers

Lightweight, Portable Structure with Integrated Control Panel

Meter Size Compatibility: G1.6 to G6

Max Pressure: 1 bar

Operation: Manual Clamping & Flow Control

Calibration: One meter at a time

Power Supply: Single Phase 230 VAC / 50 Hz

Meter Sizes G 1.6 to G400 and above
Flow Rates 1 LPM to 10000 m3/Hr
Lines As required by the customer (1, 2 or 3)
Calibration Campaign Time > 60 sec
Calibration Methods Bell Prover Method
Sonic Nozzle Method
Comparison Method
Calibration Accuracy 1% to 0.3%
Calibration Media Air (Density correction factors can be given for other gases)
No. Of Units under Test 4 at a time using bell prover and 1 or 2 according to line sizes for sonic nozzle
Control Console To incorporate all process indicators. Higher powerpanel will be seperate if necessary
Method Of Operation As required Manual, Semi Automatic & Automatic
Clamping methodes Pneumatic only

Pumps

Control Panel

Reducers / Expander

Valves

CollectionTanks

Weighing Scales

Storage Tanks and more

CALFLOW Software

Mounting Clamps

FAQs

1. What is a Gas Flow Meter Calibration System?
A Gas Flow Meter Calibration System is a specialized tool used to test and calibrate gas flow meters to ensure their accuracy and reliability in measuring the flow of gases.
2. What are the two common methods for gas flow meter calibration?
The two common methods are the Bell Prover method and the Sonic Nozzle method.
3. What is the Bell Prover method?
The Bell Prover is a calibration method that uses a bell-shaped vessel to displace a known volume of gas under controlled conditions. The volume displacement is used to calibrate the flow meter.
4. What types of gas flow meters can be calibrated using the Bell Prover method?
Most commonly, the Bell Prover method is used for calibrating positive displacement meters, such as rotary and diaphragm meters.
5. How does the Bell Prover method work?
It works by allowing gas to enter the bell, which displaces the bell upward. The volume displaced is known, and the time it takes to displace this volume is used to calculate the flow rate.
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    Chennai – 600 123.
    Tamil Nadu, INDIA.

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