DT-205L液晶接触和非接触式转速表

The CHECK-LINE DT-205L combine the best features found in both contact and non-contact tachometers for the accurate measurement of rpm, surface speed and length. The screw-in contact adapter makes it quick & easy to convert from non-contact to contact operation. 

Measuring Range

Non-Contact - 6 to 99,999 rpm
Contact - 0.8 to 25,000 rpm 

Accuracy

6 to 8,299 rpm: ±1 rpm
8,300 to 24,999 rpm: ±2 rpm
25,000 to 99,999 rpm: ±0.006% rpm 

Display

DT-205L (LCD MODEL)
5 digit 0.47" (12mm) high LCD
DT-207L (LED MODEL)
5 digit 0.4" (10mm) high LED 

Measuring Units

 

per Minute

Revolutions, Meters, Yards, Feet, Inches 

Total Length

Meters, Yards, Feet, Inches 

Measuring Distance

14 feet (5.2 m) maximum 

Detection

Laser Diode, Class II 

Memory

13 readings are stored in memory and retained for 5 minutes
(last, max., min., and 10 measurements) 

Over-Range Indicator

Flashing numerals 

Update Time

1 second (typical) 

Batteries

2 - 1.5 V AA 

Battery Life

DT-205L Approx 40 hrs
DT-207L Approx 25 hrs 

Operating Temp

32° to 113° F (0 to 45° C) 

Construction

Die-cast aluminum housing 

Weight

0.8 pounds (365 grams) 

Dimensions

6.6" L x 2.4" W x 1.8" H (167mm x 61mm x 45.7) 

Warranty

1 year 

Accessories Included

Reflective tape, cone adapter, surface speed wheel (6" cir.), 200L contact adapter and carrying case