Technical Data:

Basic function

Range

Accuracy

Resolution

Insulation Resistance

250V±10% test voltage

0~200MΩ

±(4.0%+2)

100kΩ

500V±10% test voltage

0~200MΩ

100kΩ

1000V±10% test voltage

0~2GΩ

1MΩ

Resistance

0~2kΩ

±(1.0%+5)

1Ω

DCV

0~1000V

1V

ACV

0~750V

±(1.5%+5)

1V

Special Function:

Model

VC60B+

Continuity alarm

Less than 30Ω±10Ω

Low battery indication

Less than approx.7.5V

Data hold

√

LCD backlight

Approx.10Sec.

Function protection

√

Input impedance

1MΩ

Sampling rate

3 times/Sec.

AC frequencyresponse

50-200Hz

Operation mode

Manual range

Max. display

1999

LCD size

75 x 52mm

Power source

1.5V AA battery x6pcs, or external DC 9V powersource

Power consumption

Quiescent current approx.3mA

Technical Data:

Basic function

Range

Basic Accuracy

Photoelectric Rotation speed

2.5～99999RPM(r/min)

±（0.05%+1 digit）

Contact Rotation speed

0.5～19,999RPM (r/min)

±（0.05%+1 digit）

Contact Surface speed (metric)

0.05～1999.9m/min

±（0.05%+1 digit）

Special Function:

Model

DT-2236B

Measuring way

Photo & Contact

Resolution

photoelectric Rotation speed:

0.1RPM(2.5～999.9RPM)

1RPM(over 1000RPM)

Contact Rotation speed：

0.1RPM (0.5～999.9RPM)

1RPM (over 1000RPM)

Contact Surface speed：

0.01m/min (0.05～99.99m/min)

0.1m/min (over 100m/min)

Sampling time

0.8s(over 60RPM)

Range selection

Auto switch

Detecting distance

Photo: 50mm～500mm

Power consumption

Max. 50mA

Memory

Auto memory Max./Min./Last value

Time Base

6MHz Quartz crystal

Circuit

Exclusive one-chip of microcomputer LS-I

Accuracy of time base

10×10-6 (0℃～50℃)

Battery

4X1.5V AA Size Battery or to external DC 6V

Max. display

99999

LCD size

5digits, 18mm high

Backlight

Yellow green backlight LCD