WATER & SOIL

|

|S

Dial

Tensio-

meters

Traditional design tensiometer

|Swith dial gauge readout of soil suction

Low cost, simple to use

|S

Direct readout without the

|Sneed for an electronic meter The Dial Tensiometer is a low The top is sealed with a rubber cost version of Skye’s stopper, and fitted with a dial Ideal for irrigation

|S

successful field tensiometer pressure gauge.

management

range. Tensiometers measure the water availability to plant This shaft is totally filled with roots, and so can be used in water before installation into the Suitable for soil, peat and irrigation scheduling and crop growing medium to be

|Sother mediums management.

measured. The water is able to flow in or out of the tensiometer Tensiometers are designed to via the ceramic bulb, as the be permanently installed in the suction inside the instrument No correction factors for

|S

growing medium, which they equilibrates with the soil different soils or mediums equilibrate with and measure suction. The suction (or the ‘soil suction’. Plant roots negative pressure) is shown need to exert a suction to directly on the gauge dial fitted Robust construction for long remove water from the soil, it is into the top.

|Slife

this suction which is measured by the tensiometers.

A series of tensiometers throughout the crop can give an The tensiometer itself consists accurate representation of crop Use in conjunction with of a shaft of clear acrylic plastic water requirements and also

|Sautomatic tensiometers for soil (length variable depending on produce a soil moisture map.

mapping

depth of measurement required), with a porous ceramic bulb at the lower end.





SPECIFICATIONS

Shaft dimensions Shaft construction Gauge dimensions Gauge construction Weight

Porous ceramic 20mm

41mm

Brass

80 to 110g

bulb.

mechanism.

Clear acrylic shaft Plastic



lengths 20cm to m

th

le

Housing.

g

b

100cm. Rubber

m

n

6

e

ria

L

a

septum stopper 2

v

mm05

Operating range 0 to +70°C

(precautions

required for

operation in below zero conditions) ORDERING INFORMATION

Sensor

Skye Instruments Ltd SKTD 690 series Dial tensiometer.

21, Ddole Enterprise Park Please state shaft length Llandrindod Wells required

Powys LD1 6DF

United Kingdom TEN/2

Replacement ceramic bulb and shaft. Please state shaft TEL +44 (0)1597 824811

length required FAX +44 (0)1597 824812

EMAIL skyemail@skyeinstruments.com WEB http://www.skyeinstruments.com





Document Outline


Page 1

Page 2