SEBA Hydrometrie Alpha Vertical Water Level Recorder

Description
attractive case made of special-aluminium cast      
with weather-proof hammerscale-lacquer; solid door or with inspection window; ventilation with temperature compensation; safety-lock; float-wheel axle with double ball-bearings

indication
The measuring instrument is equipped with a digital  instantaneous indication. The respective water level can be read in m and cm. (fig. 1)

writing device
The writing slide will be lead along a metal bar up- and downwards. The registration will be effecte with capillary- or fibre pens. registration drum 122 mm Ø; drum circumference 384 mm, usable  writing height 250 mm.

additional equipment
The measuring instument is also available with tilting mechanism. This enables, to tilt the instrument and using the observation tube for control measurements or for taking water samples. (fig. 2) fig. 2 Abb. 2

installation
For installation of the registration gauges to 
observation tubes, special threaded fixing flanges

are available.
Sizes (Ø): 2", 3", 4", 5", 6" and 8"
(further sizes on request)
On request fixing tubes with flange and ventilation in
different sizes are available.

dimensions
case:  225 x 205 x 510 mm
case ground-area: 206 x 200 mm

weight
17 kgs (gross)
incl. maintenance materia

First of all, this instument serves for the continous control of liquid levels. It is very robust and registrates with high accuracy. Mainly it is used for:
• ground water studies
• water supply
• discharge measurement
• irrigation
• sewerage

advantages:
digital indication
modular system
outdoor installation without protection housing                                                          
suitable for groundwater tubes of 2"
switch-selected recording scales
tilting mechanism
additional temperature registration is  possible (type ALPHA-T) 
datalogger can be installed