轉速計，又名轉速表、轉速儀，是機械行業的儀器之一，用來測定電機的轉速、線速度或頻率

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更新時間：2024-06-26

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轉速計，又名轉速表、轉速儀，是機械行業的儀器之一，用來測定電機的轉速、線速度或頻率。常用于電機、電扇、造紙、塑料、化纖、紡織、汽車、飛機、輪船等制造業。大多常用的為手持離心式轉速計。美國Checkline旗下的轉速計一般為數字式，有接觸式和非接觸式兩種測量。非接觸式采用光電器件測量，無連接軸，對被測件無任何影響，提高測量精度。

例如Checkline DT-105A/DT-107A型是一款手持接觸式轉速計，自帶周長為12英寸的主輪，使得表面速度測量更加安全簡單。

Checkline DT-105A (LCD MODEL)

Checkline DT-107A (LED MODEL)

Check-line DT-105A-12 (LCD MODEL with 12" Circumference Wheel)

Check-line DT-107A-12 (LED MODEL with 12" Circumference Wheel)

Accurately measure rotational and surface speed, as well as length. Built-in selector switch permits the user to display readings in a wide variety of engineering units. The Check-Line DT-105/7A-12 includes a 12" circumference measuring wheel which is offered for safer and easier surface speed measurement by keeping the users hａnd farther from the moving surface and slowing down the rotational speed.

Built-in memory for last, maximum, minimum and 10 separate readings
Rugged cast aluminum housing
Includes Traceable calibration Certificate
LCD Version for use in sunlight and for longest battery life (DT-105A)
LED version for use in poorly lit or dark environments (DT-107A)

Display Range	0.10 to 25,000 rpm with floating decimal
Accuracy	0.10 to 999.99 rpm: ±0.06 rpm 1,000.0 to 9,999.9 rpm: ±0.6 rpm 10,000 to 25,000 rpm: ±0.006% rpm
Display	DT-105A: (LCD MODEL) 5 digit 0.47" (12mm) high DT-107A: (LED MODEL) 5 digit 0.4" (10mm) high
Measurement Units	Per Second: Inches, Centimeters (optional, inquire) Per Minute: Revolutions, Inches, Feet, Yards, Meters Per Hour: Miles, Kilometers (optional, inquire) Total: Revolutions, Inches, Feet, Yards, Centimeter, Meters
Memory System	13 readings are stored in memory and retained for 5 minutes (last, max., min., and 10 measurements)
Over-Range Indicator	Flashing numerals
Detection
Update Time	1 second (typical)
Batteries	2 - 1.5 V AA
Battery Life	Approx. 65 hrs. (DT-105A) Life: Approx. 40 hrs. (DT-107A)
Low Voltage Indicator	Flashing "LO BAT" display (DT-105A) "B" display (DT-107A)
Operating Temp	32 to 113° F (0 to 45° C)
Weight	0.9 pounds (400 grams)
Dimensions	7.3" L x 2.4" W x 1.8" H
Warranty	2 years
Accessories Included	2 cone adapters, 1 funnel adapter, 3-1/2" extension shaft, 1 surface speed wheel (6" circumference), carrying case, operating instructions
Country of Origin	Taiwan

訂貨清單

All models are supplied as a complete kit including 6" circumference surface speed wheel, two cone tip adapters, funnel tip adapter, shaft extension, two AA batteries and ａnd an operating instruction manual - all supplied in a foam-fitted carrying case.

配件

DTCA Cone Tip for Hand-held tachometers

DTFA Funnel Tip for Hand-held tachometers

DTSX Shaft Extension for Tachometers, 3 inch

DT6 6 Inch Circumference Tachometer wheel, 7mm shaft

DT12 12 Inch Circumference Tachometer wheel, 7mm shaft

LMA-3 12" Knurled Aluminum Measuring Wheel

BATT-RC4AA-WC 4-pack 2300mAh AA Ni-MH Rechargeable Batteries & Charger Kit

訂貨型號

DT-105A Digital Contact Tachometer with LCD Display and 6" Circumference Wheel

DT-107A Digital Contact Tachometer with LED Display and 6" Circumference Wheel

DT-105A-12 Digital Contact Tachometer with LCD Display and 12" Circumference Wheel