Type

DT-311N

DT315N

Internal models

Strobe range

40.0--35,000RPM 

Accuracy

Error of ± 0.01% 

Resolution

0.1RPM:40.0-4,9999.9RPM 

0.2RPM:5,000-7,999.8RPM 

0.5RPM:8,000-9,999.5RPM 

1RPM:10,000-35,000RPM 

Phase shift

Use the + / - buttons (360-6 seconds)

Display update time

About  0.2 second

Output signal

Synchronization, 400msec, 

pulse output 0 to +12 VDC amplitude (approximately), 

4.7k Ohms impedance

amplifier / down scaler

Take 2,divided 2

External Mode

Strobe range

0.0-35,000RPM 

Accuracy

±0.01% ±1

Phase shift

0-359”. 1°resolution

Delay Time

40-10,000RPM,0-2,000msec 

External trigger internal signal

LO:0-0.8VDC,HI:2.5-12VDC,Pulse Width: 50usec min 

Input impedance

12CV 4.7K, 0V 6.8K

Overall

Display

5 digit,10mm high,LED 

Flash tube power / life

Xenon, max 10W. (Strobe 100,000,000)

Strobe duration

10-40usec 

Photoreceptors Power

12VDC(40mA) 

Low battery display

Show “L”

Power requirements

230VAC,±10%60/50Hz,30VA

Built-in Battery

Operate temperature

0-40°C 

Weight

1.2kg

2kg

Dimension

185×120×120mm 

250×120×120mm 

Standard Equipment

Hand shank

Hand shank and AC charger