R Max
rotary gas meter
available in meter sizes G10 to G400
Advantages
measurement accuracy
we guarantee accuracy class 1
across the specified flow range
across the specified flow range
durability
all components are designed for reliable
operation over a 20-year service life
operation over a 20-year service life
wide measuring range
accurate metering thanks to an
extended measuring range of up to 1:200
extended measuring range of up to 1:200
temperature stability
stable operation across the
specified temperature range
specified temperature range
IP67-rated enclosure
IP67 protection provides resistance to dust,
moisture, and environmental exposure
moisture, and environmental exposure
tamper protection
magnetic tampering can be detected using pulse sensors
easy integration
supports connection to external data acquisition systems
certified compliance
complies with all applicable standards and regulatory requirements
installation flexibility
Standard and Compact versions to suit different installation requirements
Technical specifications
Technical specifications — Standard version
| Nominal diameter | Meter size | Maximum flow rate | Minimum flow rate | Cyclic volume | Pulse output | Pressure drop at Qmax | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qmin* (m³/h) | |||||||||||||||
| DN (mm) | G | Qmax (m³/h) | Measuring range Qmin/Qmax | Vc, dm³ | LF, pulses/m³ | Δ p** mbar (air) |
Δp** mbar (gas) |
||||||||
| 1:200 | 1:160 | 1:130 | 1:100 | 1:80 | 1:65 | 1:50 | 1:30 | 1:20 | |||||||
| 32 | G16 | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.87 (1.61*) |
10 (1*) |
0.9 | 0.6 |
| 32 | G25 | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.87 (1.61*) |
10 (1*) |
2.3 | 1.5 |
| 32 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 2 | 3 | 0.87 (1.61*) |
10 (1*) |
5.9 | 3.8 |
| 32 | G65 | 100 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 1.6 | 2 | 3 | 5 | 0.87 (1.61*) |
10 (1*) |
14.1 | 9.1 |
| 40 | G16*** | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.87 (1.61*) |
10 (1*) |
0.4 | 0.2 |
| 40 | G25*** | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.87 (1.61*) |
10 (1*) |
0.9 | 0.6 |
| 40 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 2 | 3 | 0.87 (1.61*) |
10 (1*) |
2.3 (2.1*) |
1.5 (1.4*) |
| 40 | G65 | 100 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 1.6 | 2 | 3 | 5 | 0.87 (1.61*) |
10 (1*) |
5.4 (4.8*) |
3.5 (3.0*) |
| 50 | G16*** | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.87 (1.61*) |
10 (1*) |
0.4 (0.2*) |
0.3 (0.2*) |
| 50 | G25*** | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.87 (1.61*) |
10 (1*) |
0.6 (0.4*) |
0.4 (0.3*) |
| 50 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 2 | 3 | 0.87 (1.61*) |
10 (1*) |
1.3 (1*) |
0.8 (0.6*) |
| 50 | G65 | 100 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 1.6 | 2 | 3 | 5 | 0.87 (1.61*) |
10 (1*) |
3.1 (2.3*) |
2.0 (1.5*) |
| 50 | G100 | 160 | 0.8 | 1 | 1.3 | 1.6 | 2 | 2.5 | 3 | 5 | 8 | 1.61 | 1 | 4.5 | 2.8 |
| 80 | G100 | 160 | 0.8 | 1 | 1.3 | 1.6 | 2 | 2.5 | 3 | 5 | 8 | 1.61 | 1 | 3.2 | 2 |
| 80 | G160 | 250 | 1.3 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 8 | 12.5 | 2.99 | 1 | 2.2 | 1.4 |
| 80 | G250 | 400 | 2 | 2.5 | 3 | 4 | 5 | 6.5 | 8 | 13 | 20 | 3.70 | 1 | 4.7 | 3 |
| 100 | G160 | 250 | 1.3 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 8 | 12.5 | 2.99 | 1 | 2.0 | 1.3 |
| 100 | G250 | 400 | 2 | 2.5 | 3 | 4 | 5 | 6.5 | 8 | 13 | 20 | 3.7 | 1 | 5.2 | 3.4 |
| 100 | G400 | 650 | 3.3 | 4 | 5 | 6.5 | 8 | 10 | 13 | 20 | 32 | 4.50 | 1 | 13.2 | 8.5 |
| 150 | G400 | 650 | 3.3 | 4 | 5 | 6.5 | 8 | 10 | 13 | 20 | 32 | 4.50 | 1 | 11.2 | 7.2 |
* Values in parentheses apply to the EBL150 version (overall length: 150 mm).
** Typical values may vary depending on the test bench conditions.
*** Qmin values of 0.25 m³/h, 0.32 m³/h, and 0.4 m³/h do not apply to the EBL150 version.
Technical specifications — Compact version
| Nominal diameter | Meter size | Maximum flow rate | Minimum flow rate | Cyclic volume | Pulse output | Pressure drop at Qmax | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qmin* (m³/h) | ||||||||||||||||||||||
| DN (mm) | G | Qmax (m³/h) | Measuring range Qmin/Qmax | Vc, dm³ |
LF, pulses/m³ | Δ p** mbar (air) |
Δp** mbar (gas) |
|||||||||||||||
| 1:200 | 1:160 | 1:130 | 1:100 | 1:80 | 1:65 | 1:50 | 1:30 | 1:20 | ||||||||||||||
| 25 | G10 | 16 | – | – | – | – | – | 0.25 | 0.3 | 0.5 | 0.8 | 0.26 | 10 | 1.5 | 1 | |||||||
| 25 | G16 | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.26 | 10 | 3.8 | 2.5 | |||||||
| 25 | G25 | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.26 | 10 | 10 | 6.6 | |||||||
| 32 | G10 | 16 | – | – | – | – | – | 0.25 | 0.32 | 0.5 | 0.8 | 0.26 | 10 | 0.7 | 0.4 | |||||||
| 32 | G16 | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.26 | 10 | 1.8 | 1.2 | |||||||
| 32 | G25 | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.26 | 10 | 4.6 | 3.2 | |||||||
| 32 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.3 | 2 | 3.25 | 0.26 | 10 | 10 | 6.6 | |||||||
| 40 | G10 | 16 | – | – | – | – | – | 0.25 | 0.32 | 0.5 | 0.8 | 0.26 | 10 | 0.6 | 0.4 | |||||||
| 40 | G16 | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.26 | 10 | 1.8 | 1.2 | |||||||
| 40 | G25 | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1.3 | 2 | 0.26 | 10 | 4 | 2.6 | |||||||
| 40 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.3 | 2 | 3.25 | 0.26 | 10 | 8.4 | 5.5 | |||||||
| 50 | G10 | 16 | – | – | – | – | – | 0.25 | 0.32 | 0.5 | 0.8 | 0.26 | 10 | 0.6 | 0.4 | |||||||
| 50 | G16 | 25 | – | – | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.8 | 1.25 | 0.26 | 10 | 1.8 | 1.2 | |||||||
| 50 | G25 | 40 | – | 0.25 | 0.32 | 0.4 | 0.5 | 0.6 | 0.8 | 1.3 | 2 | 0.26 | 10 | 4 | 2.6 | |||||||
| 50 | G40 | 65 | 0.32 | 0.4 | 0.5 | 0.65 | 0.8 | 1 | 1.3 | 2 | 3 | 0.26 | 10 | 8.4 | 5.5 | |||||||
*Qmin ≤ 3 m³/h is valid within the temperature range of −10°C to +70°C.