|Discount on quantity|
- Steel plummet attached to a 10mm plastic cable up to 100m long.
- Electrical contact gauges can measure straight drops to water with an accuracy of 1cm.
- Steel plumb bob switches light and buzzer on immediately contact is made with surface of liquid.
- 20 and 30m sizes housed in a compact drum.
- 50 to 100m come on a robust winding cage.