Dwyer TAC-L Manuel d'utilisateur télécharger pdf

Model TAC-L Portable Digital Tachometer measures rotational speed

either by contacting a rotatable head to the shaft of the object, or using

photo sensor to detect the reflections from the laser. The laser target can

record from a distance of up to 20 inches and gives a more accurate

measurement than LED targeting. Model TAC-L includes a large LCD

with a backlight for use in dark areas. This tachometer is made of a

strong, lightweight ABS plastic housing, which is designed to comfortably

fit in the hand of the user. Supplied with this model are 3 contact rotational

heads, a contact surface wheel, and a protective carrying case.

PRODUCT OVERVIEW

A. Surface speed wheel B. Contact test device

C. Contact measuring device D. Measuring button

E. Function switch F. Memory button

G. Display H. Battery cover

NON-CONTACT MEASURING (RPM)

1. Apply a reflective mark to the object being measured.

2. Slide the function switch to “rpm photo” and remove the cap.

3. Depress the measuring button and align the visible light beam with the

applied target. Verify that the monitor indicator lights when the target

aligns with the beam.

Model TAC-L Photo/Contact Digital Tachometer

Installation and Operating Instructions

Bulletin TE-TAC-L

SPECIFICATIONS:

Accuracy: ±(0.05% + 1 digit).

Display: Backlit LCD; 5 digits, 7 segments, 0.7˝ (1.8 cm) H.

Range:

Non-contact (RPM): 2.5 to 99,999 RPM;

Contact (RPM): 0.5 to 19,999 RPM;

Surface Speed (m/min): 0.05 to 1999.9 m/min.

Resolution:

Non-contact (RPM): 0.1 RPM (2.5 to 999.9 RPM),

1 RPM (1000 to 99,999 RPM);

Contact (RPM): 0.1 RPM (0.5 to 999.9 RPM),

1 RPM (1000 to 19,999 RPM);

Surface Speed (m/min): 0.01 m/min (0.05 to 99.99 m/min),

0.1 m/min (100.0 to 1999.9 m/min).

Non-contact Measuring Distance Range: 2 to 20˝ (5 to 50 cm).

Sampling Time: 0.8 s.

Temperature Limits: 32 to 122°F (0 to 50°C).

Power Requirements: (4) 1.5 V AA alkaline batteries, included, user

replaceable.

Weight: 1.37 lb (.620 kg).

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

m/min

rpm

MEM

ontact

contact

hoto

IGITAL TACHOMETER

AC-L

/min

MEM

ontact

hoto

DIGITAL TACHOMETER

TAC-L

-3/8

[

187.91]

2-7/8

[73.89]

-1/4

[

159.96]

-3/8

[

34.05]

PM ADAPTER FITTING

(

ATTACHED TO UNIT)

CYLINDRICAL CONTACT

ROTATIONAL FITTING

SMALL POINTED CONTACT

ROTATIONAL FITTING

ARGE POINTED CONTACT

OTATIONAL FITTINGS

(

ATTACHED TO UNIT)

SURFACE SPEED

RING ATTACHMENT

In the case of measuring low RPM values with the non-contact

laser, it is suggested that the user attach more reflective marks

an average distance apart on the object, then measure as above, giving a more

accurate measurement. The user then must divide the reading shown by the number

of reflective marks to find the true RPM.

NOTICE

Figure 1

1 2

DWYER INSTRUMENTS, INC 1

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Page 1 - DWYER INSTRUMENTS, INC

Model TAC-L Portable Digital Tachometer measures rotational speedeither by contacting a rotatable head to the shaft of the object, or usingphoto senso

Page 2

CONTACT MEASURING (RPM)1. Install the contact device, with the head piece that works best for theobject being measured.2. Slide the function switch to

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Dwyer TAC-L Manuel d'utilisateur

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