DILO 3-027-R002 SF6 Volume Percentage Measuring Device
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Application
- The DILO 3-027-R002 SF6 Volume Percentage Measuring Device measures the gas purity necessary to maintain the dielectric property for arc quenching in circuit breakers. The speed-of-sound measurement generates results immediately.
Key Features
- Easy handling and rinsing after measurements
- Use for another gas compartment immediately
- Independent of air pressure and its position
- Response time is approximately one minute
- Digital indication of the measuring values
| Measuring media | SF6 / N2 / or SF6 / air-gas mixtures |
|---|---|
| Measuring principle | Velocity of sound |
| Measuring range | 0 t0 100 volume-% SF6 |
| Measuring accuracy | ± 0.5 volume-% for SF6 / N2 -gas mixture or SF6 / air-gas mixture |
| Operating pressure | Input pressure of the device without pressure regulation pa (absolute) = 1.7 to 10 bar pe [effective] = 10.2 to 130.5 psi). At a pressure of pa (absolute) = 1.2 to 1.7 bar (pe [effective] = 2.9 to 10.2 psi) the function is still guaranteed. However, the response time increases. |
| Measuring pressure | The measuring process is effected under atmospheric pressure |
| Operating temperature | Temperature compensation of -20 °C to 50 °C (-4 °F up to 122 °F) ambient temperature |
| Ambient moisture | Up to 90 % relative moisture, non condensing during operation |
| Response time | Approx. 1 min. with a rinsed connecting hose. The response time as well as the rinsing of the connecting hose depend on the supply pressure. In the most unfavourable case at pa (absolute) = 1.7 bar (pe effective = 10.2 psi) the time to get an exact measurement is 5 min. if the rinsing valve is not operated |
| Flow rate | Max. 1.2 g / min. (0.04 oz / min) at 100 % SF6 gas and an operating pressure of pa (absolute) = 10 bar (pe [effective] = 130.5 psi) |
| Input | 20 V to 240 V / 50 to 60 Hz reversible to 110 V to 127 V / 50 to 60 Hz |
| Interface | RS232 |
| Scope of supply | Volume percentage measuring device with digital display Measuring cell with electronic part 2 m long connecting hose with coupling DN8 and DN20 Housing with front and back covering with big handle for transportation and placing of the device Mains plug with 2 m long connecting cable Transport case 1 operating manual (multilingual) on CD-ROM |
| Optional accessories | Data cable for RS232 interface and CD-ROM with computer indicating programme Discharge gas collecting bag (for emission-free measurement) |
| Dimensions | W 415 mm, H 155 mm, D 450 mm, with handle |
| Weight | 10.5 kg |