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
Copyright ©2019 Triplett
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