| Application | Suitable for use with an external dry nitrogen gas cylinder or as a component in a compressor system using dried air (e.g. Model HS40AFC/HS40AFC/V HS40 Series II or HS55) |
| Pressure Transducer | Suits WL3100 or WL3100A or compatible third-party models |
| Differential Regulator | Standard feature on all models |
| Available Models | SINGLE LINE, DUAL LINE or DUAL ORIFICE |
| Gas Supply Line Fitting | ¼’’ standard, 3/16’’ or 3/8’’ fittings can be provided as accessory items. |
| Instrument Line Fitting | ¼’’ standard, 3/16’’ or 3/8’’ fittings can be provided as accessory items. |
| Orifice Line Fitting | 3/8’’ standard, 3/16’’ or ¼’’ fittings can be provided as accessory items. |
| Bubble Rate | Factory set at approximately 26 bubbles per minute |
| Accessory Items | HS23QC bubble rate tested orifice when bubble unit is fitted with SC027-68 quick connector and HS2360-02 adapter |
| Ferrules | Available to suit fittings listed above |
| Dimensions | 220 mm × 220 mm × 150 mm (8.66” x 8.66” x 5.91”) |
| Weight | HS23SL: 3.5 kg (7.72 lbs); HS23DL: 4.5 kg (9.92 lbs); HS23DO: 4.5 kg (9.92 lbs) |
KISTERS’ dry bubble unit HS23 is a standard component of a ‘constant bubble’ type gas purge system. The HS23 provides a constant flow of gas (e.g. dry nitrogen or dried air) through a small diameter conduit (river line) to an opening submerged in the water body (orifice).
Changes in water level are detected by a dry pressure sensor connected to the HS23 by measuring the pressure head of gas bubbling from the orifice.
The HS23 is a reliable and maintenance free method for accurate sensing of water level. It provides a constant differential pressure (3-5 psi) above the pressure head at the orifice. This constant differential pressure maintains a constant bubble rate through the gas tube throughout all water level regimes.
The system incorporates a regulator valve for setting the bubble rate. This eliminates the need of sight glass and oil reservoir. The unit is pre-calibrated at the factory.
The HS23 is suitable for these applications:
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