WEBTEC 1 Series User Manual page 10

DHT 2 Series Digital Hydraulic Tester
Digital
display
Selector
switch
G Digital display - Digital display for flow and temperature. Automatically turns off if the unit
is unused for more than 20 minutes.
G Change settings indicated by the ^ on the display - using the °C/F and UNITS buttons.
The FAST button changes the screen refresh from 1 to 3 times per second. The ON button
will switch the unit back on after the power has automatically shut-off if the unit is un-used.
G Pressure gauge - Analog pressure gauge, filled with glycerine to ensure good dampening
when reading pulsating pressures.
G Tachometer input - Connection socket for the optional infra-red phototachometer.
G External flow - Connection socket for optional second 'LT' series flow meter, to measure a
second flow and temperature.
G Selector switch - Turn the switch to select the required function.
G OFF - Switches the tester off and disconnects the battery.
G TACH - RPM is indicated on the display.
G INT FLOW - Display flow and temperature measured by the internal flow meter.
G EXT FLOW - Display flow and temperature measured by the optional external flow meter.
G Battery cover - Remove this to replace the battery.
Bi-Directional Loading Valve
The reverse flow valve gives positive shut-off and pressure control in both directions of flow. The
loading valve has two easily replaceable safety discs located in the valve assembly which
internally protect the tester and machine in both flow directions.
Pressure
gauge
External
Tachometer
input flow
9
Battery
cover