Triplett TA150 User manual

User Manual

TA150

Laser Photo Tachometer/Counter

Introduction

Congratulations on your purchase of the TA150 Laser Photo Tachometer

and Counter. This Tachometer provides non-contact RPM and count

measurements. The laser pointer beam provides accurate long distance

measurements for photo tachometer measurements.

Meter Description

1. Photo Tachometer sensor and laser source

2. MEASURE button

3. MEMORY button

4. RPM/TOT button

5. AC Power Adaptor

6. Battery compartment (rear)

CAUTION: Rotating objects can be dangerous. Use extreme care.

WARNING: Do not directly view or direct the laser pointer at an eye. Low power

visible lasers do not normally present a hazard, but may present some potential for

hazard if viewed directly for extended periods of time.

Laser complies with: FDA 21 CFR 1040.10 and 1040.11

RPM Measurement Mode

1. To set the units to RPM, Press and release the MEAS button and press

the MODE button until RPM appears on the display.

2. Apply an appropriately (0.5”/12mm) sized square piece of reflective tape

to the surface of the object under test.

3. Point the meter toward the device under test at a distance of 2" to 20"

(50 to 500mm).

4. Press the Measure button (MEAS) and align the laser light beam

straight on with the reflective tape.

5. Verify that the ((( ))) Monitor Indicator appears on the LCD when the

reflective tape passes through the light beam.

6. When the Measure button is released the last reading will remain in the

display for 5 to 10 seconds before the Auto Power Off feature turns the

meter off.

7. With the meter OFF, press the MEM (memory) button to recall the MAX,

MIN and LAST rpm values.

COUNT Mode

1. To set the units to measure Counts, Press and release the MEAS

button and press the MODE button until REV appears on the display.

2. Point the meter toward the device under test at a distance of 2" to 20" (50

to 500mm).

3. Press the Measure button (MEAS) and align the laser light beam to the

objects being counted.

4. Verify that the ((( ))) Monitor Indicator appears on the LCD when the

object passes through the light beam.

5. When the Measure button is released the last reading will remain in

the display for 5 to 10 seconds before the Auto Power Off feature

turns the meter off.

6. With the meter OFF, press the MEM (memory) button to recall the last

count (REV) from the last measurement period.

Measurement Notes

1. Bright ambient light may interfere with the reflected light beam. Holding

the tachometer closer to the target or shading the target area may be

necessary in some cases.

2. The non-reflective area must always be larger than the reflective area.

3. If the shaft or rotating object is normally reflective, it must be covered

with black tape or paint before the reflective tape is applied.

4. To improve repeatability of low rpm measurements, apply additional

squares of reflective tape. Divide the reading shown on the display by

the number of pieces of reflective tape squares to calculate the actual

rpm.

Battery Replacement

The low battery indication appears as “" on the display. To

replace the batteries, loosen the two Philips head screws securing the

rear battery cover and lift the cover off. Replace the 9V battery and

replace cover.

Never dispose of used batteries or rechargeable batteries in household waste. As

consumers, users are legally required to take used batteries to appropriate

collection sites, the retail store where the batteries were purchased, or wherever

batteries are sold.

Disposal: Do not dispose of this instrument in household waste. The user is obligated

to take end-of-life devices to a designated collection point for the disposal of

electrical and electronic equipment.

Specifications

Time base

Quartz crystal

Display

5 digit LCD display

Laser light source

Class 2 laser < 1mW power; Wavelength is

630 to 670nm

Detecting Distance

2 to 20" (50 to 500

mm)

Sampling Time

0.5sec (over 120

rpm)

Tachometer

accuracy

± (0.05% reading + 1digit)

Memory

Last reading and MIN/MAX readings

Operating

Conditions

32 °F to 122 °F (0 °C to 50 °C); RH 80% Max

Power Supply

Internal 9V battery or external AC Adaptor (6 to 9VDC)

Power

Consumption

45mA DC approx.

Weight

5.3oz. (151g)

Size

6.3x2.3x1.6" (160x58x39 mm)

Range

Specifications

Range

Resolution

Accuracy

(%reading)

Photo Tachometer

2 to 99,999 rpm

0.1 rpm

(<1000rpm)

± (0.05% + 1d)

1 rpm (>1000 rpm)

Counter

1 to 99,999 REV

1 count

± 1 count

Warranty Information

Triplett / Jewell Instruments extends the following warranty to the original

purchaser of these goods for use. Triplett warrants to the original purchaser for

use that the products sold by it will be free from defects in workmanship and

material for a period of (1) one year from the date of purchase. This warranty

does not apply to any of our products which have been repaired or altered by

unauthorized persons in any way or purchased from unauthorized distributors so

as, in our sole judgment, to injure their stability or reliability, or which have been

subject to misuse, abuse, misapplication, negligence, accident or which have

had the serial numbers altered, defaced, or removed. Accessories, including

batteries are not covered by this warranty

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