| SALIENT FEATURES
QUARTZ CRYSTAL CONTROLLED TIME BASE
DIGITAL THUMB WHEEL SWITCH SELECTION
HIGH QUALITY ACCURACY
PORTABILITY
Digital Revolutionary Counter (Preset Time / Rev.)
Revolution counter is a highly sensitive display facility which facilitate the user to indicate the water velocities in the form of digital counts used to calculate water current(velocity) this unit comprises of 3 digit L.C.D display, digital thumb wheel switch for the setting of time as well as counts. One at a time. The resolution of counter is 1 sec. for time and ,1 revolution for counts. Counter facilitate the user to select either time or count as a reference and display the other. Toget time on display please press the central switch marked time, Other wise it should not be pressed at all to get Revolutions. And additional features of such counter is Quartz Crystal controlled timer to achieve high quality of accuracy in time measurement and 3 digit digital thumb wheel switch to set counter (1-999) with step of least count of 1 digit and 1 sec. Respectively.
Note : Press Switch Marked Rev./Time toget Time; otherwise it will read Revolutions
1. Range
Counts : 0-999
Time : 0-999
2. Least Count : 1 Count
Count : 1 revolution
Time: 1 Sec.
3. Accuracy
Counts : 1% +/- Least Count Error
Time : 0.01% +/- Least Count Error
4 . Ref. Setting : Through Thumb Wheels Switch
(1 Time/Count)
5. Reference Selection : Through Thumb Wheels Switch
6. Display : 3 – L.C.D Display
7. Counting Speed : 30 Rev./ Sec.
8. Power Supply : 1.5 Volts X 4 Standard Size Battery
9. Battery Life : 150 Hrs. (Approx.) |
