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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the
European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.
The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts no liability for any errors it contains, and reserves the right to alter specifications without
notice. WARNING: These products are not designed for use in, and should not be used for, human applications.
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase.
OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and
shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product.
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If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an Authorized Return (AR)
number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced
at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling,
improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows
evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or
vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components which wear are not
warranted, including but not limited to contact points, fuses, and triacs.
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or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any Product(s) be used in or with any nuclear
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RETURN REQUESTS / INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY PRODUCT(S) TO
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TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return package and on any
correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.
PATENT NOTICE: U. S. Pat. No. 6,074,089; 5,465,838
2 762 908 / EPO 0614194. Other patents pending.
/
Canada 2,228,333; 2,116,055
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UK GB 2,321,712
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Holland 1008153
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Israel 123052
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France
FOR WARRANTY RETURNS, please have the following information
available BEFORE contacting OMEGA:
FOR NON-WARRANTY REPAIRS, consult OMEGA for current repair charges.
Have the following information available BEFORE contacting OMEGA:
1. Purchase Order number under which the product was PURCHASED,
2. Model and serial number of the product under warranty, and
3. Repair instructions and/or specific problems relative to the product.
1. Purchase Order number to cover the COST of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems relative to the product.
HHT13
Pocket Laser Tachometer
with Remote Sensor Input
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and
engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2004 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic
medium or machine-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC.
M4151/0507
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12.0 BATTERIES
TABLE OF CONTENTS
When displayed, replace batteries.
1.0 OVERVIEW ............................................................................. 1
2.0 FEATURELOCATIONS ............................................................ 1
3.0 LCD DISPLAYSYMBOLS ....................................................... 2
4.0 HHT13 SPECIFICATIONS ........................................................ 3
5.0 PREPARATION FOR MEASUREMENT .................................... 7
5.1 Non-Contact Preparation ............................................. 7
5.2 Direct Contact Preparation.......................................... 7
5.3 Connecting External Sensors ..................................... 8
6.0 TACHometer Mode ................................................................ 9
6.1 TACHometer Setup ....................................................... 9
6.2 TACHometer Operation .............................................. 11
7.0 RATEMode........................................................................... 12
7.1 RATE Setup ................................................................. 12
7.2 RATE Operation .......................................................... 14
8.0 TOTALizer Mode .................................................................. 15
8.1 TOTALizer Setup......................................................... 15
8.2 TOTALizer Operation .................................................. 18
9.0 TIMER Mode ......................................................................... 19
9.1 TIMER Setup................................................................ 19
9.2 TIMER Operation......................................................... 20
10.0 MAKING MEASUREMENTS .................................................. 21
10.1 Non-Contact Measurements ..................................... 21
10.2 Direct Contact Measurements .................................. 21
11.0 INPUT / OUTPUT .................................................................. 22
12.0 BATTERIES ........................................................................... 23
13.0 CLEANING ............................................................................ 23
14.0 OPTIONS /ACCESSORIES ................................................... 24
Remove battery
cover
Install two 1.5V
“AA” alkaline
batteries
NOTE: Both
batteries face the
same direction.
13.0 CLEANING
To clean the instrument, wipe with a damp cloth using mild soapy solution.
23
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1.0 OVERVIEW
11.0 INPUT / OUTPUT
The HHT13 is a precision hand-held multifunction Tachometer, Ratemeter,
Totalizer and Timer. It is programmable to display directly in Revs, Inches,
Feet, Yards, Miles, Centimeters and Meters or function as a stopwatch or
interval timer. Input / output sockets allow for remote sensing and pulse
output to external indicating devices. For ease of use, the instrument can be
“Locked-on” for continuous operation.
Input: Accepts remote sensor or
Remote Contact Assembly
(HHT13-RCA).
1/8”
(3.5mm) stereo phone plug.
Output: 1 pulse per revolution TTL
output on internal operation.
Pulse repeater with external
sensors. 1/8” (3.5mm) mono
2.0 FEATURE LOCATIONS
LCD display
Input socket (S)
Output socket (T)
phone plug.
Min / Scroll
Down arrow
Menu / Select
and Lock-on
Common
(GND)
Tripod mounting bushing
button
Signal Input
(underside)
+3V Out to
Sensor
+3V Out to
Sensor
Start / Reset button
Belt clip
Common
(GND)
Signal Input
Input socket
Input Connector Detail (Stereo plug)
Output socket
Max / Scroll Up
arrow
Common
(GND)
Signal Input
Common
(GND)
Battery compartment
Signal Input
AVOID EXPOSURE - LASER RADIATION IS
EMITTED FROM THIS APERTURE
Output Connector Detail (Mono plug)
1
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22
10.0 MAKING MEASUREMENTS
3.0 LCD DISPLAY SYMBOLS
10.1 Non-Contact Measurements
Hand-held
OR
External Sensor (HHT20-ROS
shown)
Light
Laser
10.2 Direct Contact Measurements
Rotational
Linear
(Use concave
tip for small
shafts)
On Target Indicator. Blinks on whenever there is an input
signal. Will appear to be solid on at higher frequencies.
to RCA
Low Battery icon. Indicates that the batteries are low and
need to be replaced.
Times Ten icon. Indicates that the value shown is ten times
that which is displayed.
from HHT13
from HHT13
ONLYUSE MODERATE PRESSURE
Laser Indicator. Red laser is on when this indicator is
illuminated.
WARNING: Making measurements in direct contact with rotating
equipment can be dangerous. Keep all loose clothing and hair
away from exposed moving machinery. Keep the hand holding
the instrument well behind the back end of the Remote Contact
Assembly. Properly replace all machinery guards after completing
measurement. Do not use for rotation greater than 20,000 RPM.
Lock icon. Indicates that the unit is “Locked” on and making
continuous measurements (Lock mode).
21
2
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8. Save and
advance
4.0 HHT13 SPECIFICATIONS
Laser Specifications:
Classification: Class 2 (per IEC 60825-1 Ed 1.2 2001-8)
Complies with FDA performance standards for laser products except
for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.
9. Exit Setup –
Ready to
DONE, then Units
selected
measure
Maximum Laser Output: 1mW
Unit will remember these settings (including lock on/off) even if turned off
and back on.
Pulse Duration:
Laser Wavelength:
Beam Divergence:
Beam Diameter:
Laser Diode Life:
Continuous
650 nm
< 1.5 mrad
4 x 7 mm typical at 2 meters
8,000 operating hours MTBF (1 year
warranty)
9.2 TIMER Operation
Measure:
Manual
Each press toggles Start and Stop
Non-Contact Specifications:
Ranges:
RPM
RPS
RPH
5 – 200,000
0.084 – 3,333.3
300-999,990
Auto
OR Start and Stop triggered by
Remote Optical Sensor
(HHT20-ROS)
Resolution: Fixed:
1 (10 above 99,999)
Auto-ranging: 0.001 to 1.0 (10 above 99,999)
Accuracy:
±0.01% of reading or resolution limit
Reset
With Timer stopped -
Resets time to 00:00.0
Operating Range: up to 25 feet (7.62 m) or up to 70 degrees off
perpendicular to reflective tape target
Lap
With Timer running -
Contact Specifications using optional Remote Contact Assembly:
Stops at elapsed time to date.
To continue, press again.
Range:
Contact Tips:
10 cm / 12-inch Wheel: 0.5 to 12,000 RPM
0.5 to 20,000 RPM
Power Off
OR Automatic after 90 seconds
if unit not Locked on
Resolution: Fixed:
Auto-ranging:
1 (10 above 99,999)
0.001 to 1.0 (10 above 99,999)
3
20
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Contact Specifications (continued):
9.0 TIMER Mode
Accuracy:
Revs:
±0.05% of reading (RPM) or resolution limit
(with no slippage)
9.1 TIMER Setup
1. Turn Power
ON
Last Units selected
are displayed
Linear: ±0.5% of reading or resolution limit (with no
slippage)
Contact Measurements Ranges:
TACHOMETER:
1a. To toggle Lock
On/Off
Revolutions per Minute (RPM) 0.5 to 20,000 RPM
Revolutions per Second (RPS)
Revolution per Hour (RPH)
Press and Hold
0.0833 to 333.33 RPS
30 to 999,990 RPH
Locked On
2. Enter Setup
Mode
RATES:
Wheel Circumference:
Inches per Second
Inches per Minute
Inches per Hour
Feet per Second
Feet per Minute
Feet per Hour
10 cm: 0.033 to 1312.3 IPS
12 in: 0.100 to 2,400.0 IPS
3. Enter selection
of Mode
Last Mode selected
is displayed
10 cm: 1.969 to 78,740 IPM
12 in: 6.000 to 144,000 IPM
10 cm: 118.11 to 999,990 IPH
12 in: 360.00 to 999,990 IPH
4. Select TIMER
Mode
OR
Repeat until
TIMER displayed
10 cm: 0.003 to 109.36 FT/S
12 in: 0.009 to 200.00 FT/S
5. Save and
advance
10 cm: 0.164 to 6,561.7 FT/M
12 in: 0.500 to 12,000 FT/M
10 cm: 9.843 to 393,700 FT/H
12 in: 30.000 to 720,000 FT/H
6. Enter selection
of Timer
MAN or AUTO
function
Yards per Second
Yards per Minute
10 cm: 0.001 to 36.453 YPS
12 in: 0.003 to 66.667 YPS
7. Select Timer
function
OR
Toggles between
Manual and
Auto
10 cm: 0.055 to 2,187.2 YPM
12 in: 0.167 to 4,000.0 YPM
19
4
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Contact Measurements Ranges (continued):
RATES: Wheel Circumference:
Yards per Hour
8.2 TOTALizer Operation
Measure
OR
10cm: 3.281 to 131,233 YPH
12 in: 10.000 to 240,000 YPH
Miles per Hour
10 cm: 0.002 to 74.564 MPH
12 in: 0.006 to 136.36 MPH
Press and hold
Lock on
Max or Min Speed (in
Recall Max
or Min
Centimeters per Second 10 cm: 0.084 to 3,333.3 CM/S
last selected Tach or Rate
mode units)
12 in: 0.21 to 3,048.0 CM/S
Centimeters per Minute 10 cm: 5.000 to 200,000 CM/M
12 in: 15.240 to 365,760 CM/M
Recall Time
in seconds
Shows time in seconds
from when the Start /
Reset button is pressed
until the last input signal
measured.
Centimeters per Hour 10 cm: 300.00 to 999,990 CM/H
12 in: 914.40 to 999,990 CM/H
Meters per Second
Meters per Minute
Meters per Hour
10 cm: 0.001 to 33.333 M/SEC
12 in: 0.003 to 60.960 M/SEC
If unit is
Locked on:
Resets Max/Min, Total and
Measurement Time
10 cm: 0.050 to 2,000.0 M/MIN
12 in: 0.153 to 3,657.6 M/MIN
10 cm: 3.000 to 120,000 M/H
Power Off
12 in: 9.144 to 219,460 M/H
OR Automatic after 90 seconds if
unit not Locked on
TOTALIZER:
Counts: 0 to 999,999
Scale Totals in Inches, Feet, Yards, Centimeters or Meters
NOTE: Pressing
OR
once before 90
seconds will keep
measurements in
memory and the
display turned on
longer.
Input:
Internal or External optics or linear contact wheel
Timer Specifications:
Minutes:Seconds.Tenths to 99:59.9
Accuracy: ±0.2 second
Resolution: 0.1 second
5
18
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Display:
5 x 0.5” (12.7mm) numeric digits plus 5Alpha-numeric LCD
2 “AA” 1.5 V (DC) alkaline included
TOTALizer Setup (continued):
Batteries:
9. Enter selection
of number of
NONE, 1, 2 or 3
(Note: Batteries are NOT rechargeable.)
decimal places
Battery Life: 30 hours continuous typical with batteries provided
External Input:
10. Select decimal
places
OR
Repeat until
desired decimal
places displayed
Absolute max: -0.3 V to 5 V
(DC)
Minimum:
Edge:
low below 1.2 V and high above 2 V (TTL compatible)
Triggers on Positive edge
11. Save and
advance
Power Out:
3.0 V nominal, approx. 2.8 V @ 20 mA max
Pulse Output: 0 V to 3.3 V
(DC) pulse
12. Exit Setup –
Ready to
Same shape as External Input signal or high when internal
optics sees a reflection
measure
Dimensions: 6.92” (17.58 cm) H x 2.4” (6.10 cm) W x 1.6” (4.06 cm) D
Units = COUNT:
DONE,
Rotational/Linear Units:
DONE,
Weight:
Approx. 7 oz. (210 g)
then Units selected USE CONTACT TIP or
[wheel selected],
This product is designed to be safe for indoor use under the following
conditions (per IEC61010-1).
then Units selected
Unit will remember these settings (including lock on/off) even if turned off
and back on.
Installation Category II
per IEC 664
Pollution Degree Level II per IEC 664
Temperature: 40 °F to 105 °F (5 °C to 40 °C)
Humidity:
Maximum relative humidity of 80% for temperatures up
to 88 °F (31 °C) decreasing linearly to 50% relative
humidity at 100 °F (40 °C). Humidity non-condensing.
Specifications subject to change without notice.
17
6
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6. Enter
selection of
Units
Internal or External ROS: External RCA:
Different options displayed for
Internal or External operation.
5.0 PREPARATION FOR MEASUREMENT
5.1 Non-Contact Preparation
For Internal operation (Red laser) or External operation
using optional Remote Optical Sensor (ROS-Red LED).
COUNT
Only
Rotational: REV
Linear: INCH, FEET,
YARDS, CM, METER
1. Clean
Shaft
2. Apply 1/2”
square T-5
Reflective
tape
7. Select Units
OR
Repeat until
desired Units
displayed
8. Save and
advance
For Small Shafts:
OR
As small as 1/8” wide
on side or radius edge
COUNT or REV
Linear Units
Last Wheel
Only for Linear Units:
8a. Enter selection
of Wheel
selected is
displayed
5.2 Direct Contact Preparation
For External operation ONLY using optional Remote
Contact Assembly (HHT13-RCA).
8b. Select Wheel
Toggles
between
10CM and
1 2 I N
OR
Select and install contact option:
8c. Save and
Advance
1. Contact Tip (Convex tip shown.
Use Concave tip for small shafts.)
Align flats
7
16
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2. 10 cm Wheel
OR
3. 12 inch Wheel
8.0 TOTALizer Mode
8.1 TOTALizer Setup
1. Turn Power
ON
Different messages displayed for
Internal or External operation.
Install with
pin in shaft
fully seated
in slot.
Tighten
screw.
Tighten screw
securely into flat
on shaft.
Internal or External ROS:
Last Units
External RCA:
EXTRN, then scrolling
message, then last
Units selected
selected
5.3 Connecting External Sensors
1a. To toggle Lock On/
Off
Press and Hold
Locked On
2. Enter Setup
Mode
3. Enter
selection of
Mode
Last Mode selected
is displayed
Plug sensor into
Input socket
€
S
In
4. Select
TOTAL
Mode
OR
Repeat until
TOTAL displayed.
5. Save and
advance
Remote Optical Sensor
(HHT20-ROS)
Remote Contact Assembly
(HHT13-RCA)
(shown with optional 12 inch wheel)
15
8
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11. Save and
advance
6.0 TACHometer Mode
6.1 TACHometer Setup
1. Turn
Power
ON
Last Units selected are
displayed
12. Exit Setup –
Ready to
DONE,
USE CONTACT TIP or
[wheel selected],
then Units selected
measure
1a. To toggle Lock On/
Off
Unit will remember these settings (including lock on/off) even if turned off
and back on.
Press and Hold
Locked On
2. Enter
Setup
7.2 RATE Operation
Measure
OR
Mode
3. Enter
selection
of Mode
Last Mode selected is
displayed
Press and hold
Lock on
Recall Max
Recall Min
Max Speed
Min Speed
4. Select
TACH
OR
Repeat until TACH
displayed
Mode
5. Save and
advance
If unit Locked
on:
Resets Max/Min
6. Enter
selection
of Units
RPS, RPM or RPH
Power Off
OR Automatic after 90 seconds
if unit not Locked on
9
14
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7. Select Units
OR
Repeat until
desired Units
displayed
RATE Setup (continued):
6. Enter selection
of Units
Rotational: C RPS,
C RPM or C RPH
8. Save and
advance
Linear: IPS, IPM, IPH, FT/S, FT/M, FT/H, YPS, YPM,
YPH,MPH,CM/S,CM/M,CM/H,M/SEC,M/MIN,M/H
7. Select Units
OR
Repeat until
desired Units
displayed
9. Enter selection
of number of
NONE, 1, 2 or 3
decimal places
8. Save and
advance
OR
10. Select decimal
places
OR
Repeat until
desired decimal
places displayed
Rotational Units Linear Units
Only for Linear Units:
8a. Enter
selection of
Last Wheel
selected is
displayed
11. Save and
advance
Wheel
8b. Select
Wheel
OR
Toggles
between 10CM
and 12IN
12. Exit Setup –
Ready to
DONE, then Units
selected
measure
8c. Save and
Advance
Unit will remember these settings (including lock on/off) even if turned off
and back on.
9. Enter selection
of number of
NONE, 1, 2 or 3
decimal places
10. Select decimal
places
Repeat until
desired decimal
places displayed
OR
13
10
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6.2 TACHometer Operation
7.0 RATE Mode
NOTE: External Remote Contact Assembly (HHT13-RCA) must be
Measure
OR
inserted into input socket.
7.1 RATE Setup
Press and hold
Lock on
1. Turn
Power
ON
EXTRN, then scrolling
message, then last Units
selected
Recall Max
Recall Min
Max Speed
Min Speed
1a. To toggle Lock
On/Off
Press and Hold
Locked On
2. Enter
Resets Max/Min
If unit Locked
on:
Setup
Mode
3. Enter
Last Mode selected is
displayed
Power OFF
OR Automatic after 90 seconds
if unit not Locked on
selection
of Mode
4. Select
OR
Toggles between
RATE and TOTAL.
Select RATE.
RATE
Mode
5. Save and
advance
11
12
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