Bellows-type Gasmeters BG-Series (Dry-Type)
Overview
Equipment
All RITTER bellows-type gas meters include the following as standard equipment:
- twin-chamber measuring unit
- 8-digit totalizing counter
- large, one-needle dial
- magnetic coupling (between the measuring drum and counting mechanism)
- gas pipe connection: inch thread.
Performance Data
- Measuring accuracy: +/- 2% at standard flow and 20° Celsius (exact value is stated in individual Calibration Certificate)
- Maximum gas inlet pressure (overpressure):
- BG 4, BG 6: 300 mbar
- BG 10, BG 16: 50 mbar
- BG 40, BG 100: 500 mbar
- Temperature range: -20 to +50° Celsius
- Flow rate (measuring range) and meter indication
Model | Flow Rate | Minimum | Maximum | ||
Minimum [ltr/h] | Maximum [ltr/h] | Standard [ltr/h] | |||
BG 4 | 40 | 6,000 | 3,000 | 0.1 | 99,999,999 |
BG 6 | 60 | 10,000 | 5,000 | 0.2 | 999,999,990 |
BG 10 | 100 | 16,000 | 10,000 | 0.5 | 999,999,990 |
BG 16 | 160 | 25,000 | 15,000 | 0.4 | 999,999,990 |
BG 40 | 400 | 65,000 | 39,000 | 0.4 | 999,999,990 |
BG 100 | 1,000 | 160,000 | 95,000 | 0.4 | 999,999,990 |
Materials
- Casing:
- BG 4 - BG 16: zinc-coated steel sheet (soldered) with outside also lacquered
- BG 40 - BG 100: powder-coated steel sheet with outside also lacquered
- Measuring unit: tinplate
- Bellows (within measuring unit): textile-reinforced Perbunan
- Rod linkage: BG 4: polyamide; all others: polyamide/brass
- Slide gate: Bakelite
Accessories
- Thermometer, range 0° to +60°C
- Manometer, range 60 mbar differential pressure
- Nozzles for flexible tube connection
- Electronic Display Unit, including interface RS 232 and Analog Output (requires Pulse Generator
Built-in Option
- LCD display, resettable, 8-digit (substitutes Totalizing Roller Counter)
- Pulse Generator (for connection of Electronic Display Unit or Computer)
Subject to alterations