Surface tensiometers are suitable for use as tensiostats to control irrigation or for moisture measurement on irrigation fleece or technical fleece.
|
Suitable for use with the following irrigation systems: |
Capillary matting with drip irrigation, controlled flow, and thin layer cultivation with drip irrigation system. |
|
Accessories required: |
M-Sensor 10 or M-Sensor 50, E-Sensors, Manometer 400, possibly T-piece AT. |
Technical Description
Tensiometer chamber: flat, brown
ceramic foot (Type Bl), with or without yellow enamel coating on top
surface of foot, tested and calibrated, max. suction tension ?800 hPa,
reabsorption factor 0.1-0.2 (see test certificate of the individual
tensiometer).
Base neck: acrylic glass tube with protective cover (black Shrink-Wrap)
over entire length; Model Blumat FO with green transparent PE neck which
has been welded onto the ceramic foot.
Connection: glass, screw-threaded neck piece with thread type GL 14?(?
14 mm), glued on, also available as s T-shaped screw-threaded neck piece
for the "T"-models, fits to the corresponding screw cap of the
manometer or sensors; by Model Blumat FO: threaded neck piece
integrated in base neck (?21 mm), the fitting "Blumat"-watering
head as regulating unit (see "Drip-Blumat"-System) is included
in delivery.
Viewing window: for observation of the water column located on the glass
threaded neck piece (below the screw cap), by Model Blumat FO located on
the transparent threaded neck piece below the watering head.
Distinguishing Characteristics
|
Model |
F |
FO |
FT |
FOT |
Blumat FO |
|
|
Article number |
1101 |
1102 |
1110 |
1111 |
1150 |
|
|
Total length |
mm |
80 |
80 |
92 |
92 |
100 |
|
max. ?of foot |
mm |
75 |
75 |
75 |
75 |
75 |
|
Neck (tube) ?/font> |
mm |
18 (16) |
18 (16) |
18 (16) |
18 (16) |
26 (21) |
|
Threaded neck |
Glass |
Glass |
Glass, T-piece |
Glass, T-piece |
PE |
|
|
Enamel coating |
above |
- |
above |
- |
- |
|
|
Viewing window |
mm |
6 |
6 |
22 |
22 |
15 |
 |
 |
 |
| 1102 - 1110 - 1101 | 1101 - 1502 | 1604 - 1101 |
Suggestions,
Special features
|
F |
Standard model especially
useful for capillary matting systems; |
|
FO |
Especially suitable for use as tensiostat or for measuring in thin layers of substrate, for example, in very loose or granular substrates such as "Seramis". The entire surface of foot is reactive (without enamel coating)and can be pressed about 3-6 cm deep into the substrate, the reaction time is especially fast due to the large reactive surface area. Can also be used for measuring on fleece in moist ranges (saturated ceramic base does not allow passage of air). |
|
FT |
Can be combined by means of the integrated T-piece with the Manometer 400, allowing for observation of moisture content over time and for checking the functioning of the tensiostat, for instance, by first time usage of the tensiostat or for carrying out point controls; can also be used without manometer (cap for closing open end included in delivery). |
|
Blumat FO |
Complete moisture regulator in a simple construction for direct control of 2(-5) drip locations, thereby making possible a regulated supply to small table partitions with capillary matting (see Extra-Info); necessary accessories: pressure reducer and connecting hose ("Drip-Blumat"-System). |
