HoldPeak Tachometer 2234C

SPECIFICATIONS

Test Range:  2.5 to 99.999 RPM (r/min).

Resolution:  0.1  RPM (2.5 to 999.9 RPM). 1 RPM (over 1,000 RPM).

Accuracy:     ±(0.05%+1 digit).

Sampling Time:  0.8 sec. (over 60 RPM).

Test Range Select:  Automatic.

Memory:  Max. value, Min. value, Last value.

Detecting Distance: 50 to 250 mm/2 to 10 inch (LED)

                               50 to 500 mm/2 to 20 inch (Laser)

Time Base:  Quartz crystal.

Circuit: Exclusive  one-chip  of  microcom-puter LSI circuit.

Battery:  4 / 1.5V AAA (UM-3)

Power Consumption: Appro x 45mA (operation).(LED)

                                 Appro x 35mA (operation).(Laser)

Operation Temp:   0 to 50 C (32  to 122   F ).

Size: 190 X 72 X 37mm