Intelligent type digital tachometer

Model: DT-2235B

Ⅰ.FEATURES

1.Measuring RPM is accurate.

2.Wide measuring range & high resolution.

3.Digital display gives exact RPM with no guessing or errors.

4.Used the exclusive MICRO-COMPUTER LSI-circuit and crystal time base to offer the high accuracy measurement & fast measuring time.

5.The last value/max.value/min.value will be automatically stored in memory and can be displayed by turn anytime.

6.The use of durable,long-lasting components,including a strong,light weight ABC-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortably in either hand.

Ⅱ. SPECIFICATIONS:

1.Display:             5 digits,10mm (0.4" ) LCD (Liquid Crystal Display),with function annunciation.

2.Test Range:          2.5 to 99999 RPM  ( r/min ).

3. Resolution:         0.1 RPM (2.5 to 999.9 RPM ).

                       1 RPM (over 1000 RPM ).

4: Accuracy:           ±(0.05%+1digit ).

5.Sampling time:        1 sec.(over 60 RPM ).

6.Test Range Select:    Automatic.

7. Memory :             Last value.Max. value. Min. value.

8.Time Base:            Quartz crystal.

9.Circuit:              Exclusive one-chip of microcomputer LSI circuit.

10.Battery:            4*1.5V AA (UM-3)battery.

11.Power Consumption:   Approx.80mA(operation).

12.Operation Temp:     0 to 50℃ (32 to 122℉).

13.Size:               190 *72 * 37mm(7.5*2.8*1.5inch).

14.Weight:             300g/0.65lb ( including battery).

15.Accessories:          Carring case..........1pc.
 
                         Operation manual......1pc.