The model DT-2269A is a microprocessor circuit design, high accuracy, digital readout, light duty STROBOSCOPE/TACHOMETER that is ideal for inspecting and measuring the speed of moving gears, fans, centrifuges, pumps, motors and other equipment used in general industrial maintenance, production, quality control, laboratories and as well as for schools and colleges for demonstrating strobe action.

14 mm (0.56" )LED, 5 digits.
Flash rate –RPM (FPM),Hz *FPM- Flash Per Minute
RPM- 5 to 15,000 RPM
Hz - 0.083 to 208 Hz
1 Digit within 10 minute

General Data
Display 14 mm (0.56" )LED, 5 digits.
Set up unit Flash rate –RPM (FPM),Hz *FPM- Flash Per Minute
Stroboscopic Flash Rate RPM- 5 to 15,000 RPM 
Hz - 0.083 to 208 Hz
Set up Stability 1 Digit within 10 minute
Switch Select RPM,Hz
Accuracy ± (0.15 % + 0.2 RPM) rdg. < 1000 RPM 
± (0. 5 % + 1 RPM) rdg. 1000 to 3300 RPM 
± 1 % FS 3301 to 15000 RPM (Rdg: reading ,FS : full scale)
Resolution RPM- 0.1 RPM 5 to 999.9 RPM 
1 RPM 1000 to 9999 RPM
10 RPM 10000 to 15000 RPM
Function Fine adjust, Coarse adjust Multiply by 2,Divide by 2, Fast finder, Memory recall.
External Trigger Input Signal: 5V to 30 V rms 
5 to 15000 RPM 
0.083 to 208Hz
Circuit This stroboscope/tachometer employs a custom one-chip of microcomputer LSI circuit & crystal control time base which results in extraordinary accuracy over a wide, dynamic range.
Power Supply 110 Vac 10%, 50/60 Hz. 
or 220 Vac 10%, 50/60 Hz. 
or 230 Vac 10%, 50/60 Hz.
Power Consumption Less than 30 Watt
Operating Temp. 0 to 50 *C (32 to 122*F).
Operating Humidty Less than 80% R.H.
Dimension HWD - 21 x 12 x 12 cm 
(8.3x4.8x4.8 inch).
Weight 1Kg/2.2 LB.
Housing Compact and impact plastic injection case with plastic mirror type reflector.
Calibration Crystal time base and microprocessor circuit, don't necessary take any external calibration process.
Accessories Included Operation manual......... 1 PC.
Download

Instruction Manual

Data Sheet