Photo-Contact
Tachometer
R7100
Instruction
Manual
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Table of Contents
Introduction ................................................................................................... 3
Product Quality
Safety
............................................................................................................ 3
es
Featur
Specications
Included
Instrument Description
Operating Instructions
Applying Reflective Marking Tape ......................................................... 6
Photo Measurements ............................................................................... 6
Contact Measurements
Surface Speed Measur
Memor
Accessing Maximum, Minimum and Last V
Accessing Stor
Battery Replacement
Accessories and Replacement Parts
Applications
oduct Care
Pr
oduct Warranty
Pr
Pr
oduct Disposal and Recycling
Pr
oduct Support .......................................................................................... 11
.............................................................................................. 3
......................................................................................................... 3
................................................................................................ 4
......................................................................................................... 5
.................................................................................. 5
................................................................................ 6-9
............................................................................ 6
ements
................................................................. 7
y Recall
......................................................................................... 7
.............................. 7-8
alues
ed Measurements
..................................................................................... 9
................................................................................................. 10
............................................................................................... 10
........................................................................................ 10
........................................................ 9
............................................................ 9
................................................................. 11
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Introduction
Thank you for purchasing your REED R7100 Photo-Contact Tachometer. Please read the following instructions carefully before using your
instrument. By following the steps outlined in this manual your meter will
provide years of reliable service.
Product Quality
This product has been manufactured in an ISO9001 facility and has been
calibrated during the manufacturing process to meet stated product
specications. If a certicate of calibration is required please contact the
nearest authorized REED distributor or authorized Service Center. Please
note an additional fee for this service will apply.
Safety
Never attempt to repair or modify your instrument. Dismantling your
product, other than for the purpose of replacing batteries, may cause
damage that will not be covered under the manufacturer’s warranty.
Servicing should only be provided by an authorized service center
.
Features
• Dual function unit with both contact and non-contact capabilities
• Provides fast and accurate RPM (revolutions per min) measurements of
rotating objects and surface speed measurements m/min (meters per
min) with included contact adapters
• Built-in laser pointer identies target area
• Internal memory recalls maximum, minimum values as well as last
value stored
• Large LCD display and low battery indicator
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Specifications
RPM Range (Contact): 0.5 to 19,999
RPM Range (Photo): 2.5 to 99,999
Surface Speed Range: 0.05 to 1,999.9 m/min
Resolution: Photo: 0.1 RPM (≤999.9)/1 RPM (>1000)
Contact: 0.1 RPM (≤999.9)/1 RPM (>1000)
Basic Accuracy: ±(0.05% + 1 dgt.)
General Specifications
Visible Indicator: Yes (Laser)
Target Distance: 1.6' (500mm) (Photo)
Response Time: <1 sec
Sampling Time: 0.8 sec (over 60 RPM)
Display Size/Type: 5 Digit LCD Display
Auto Shut-off: Yes
Internal Memory: Max, Min and Last
Laser Class: Class III
Low Battery Indicator: Yes
Power Supply: 4 x AA batteries
Product Certications: CE
Operating Temperature: 32 to 122°F (0 to 50°C)
Storage Temperature: -4 to 140°F (-20 to 60°C)
Operating Humidity: 10 to 90%
Dimensions: 8.3 x 2.9 x 1.5" (210 x 74 x 37mm)
Weight: 7.9oz (224g)
Surface: 0.01 m/min (≤99.99)/0.1 m/min (>100)
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Included
• Reective Tape
• Large and Small Cone Tip Adapters
• Funnel Adapter
• Wheel Adapter
• Batteries
• Mounting Screws
• Hard Carrying Case
Instrument Description
1. Surface Wheel Adapter
2. Shaft Extension with
Large Cone Adapter
3. Contact Adapter
4. Laser Sensor
(for non-contact measurement)
5. Measure Button
6. Function Switch
7. Memory Recall Button
8. LCD Display
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3
4
5
6
7
8
5
Operating Instructions
Applying Reflective Marking Tape
1. Cut and peel the adhesive tape provided into approximately 0.5"
(12mm) squares.
2. Apply one square to each rotation shaft.
3.
The non-reective area must always be greater than the reective area.
4. If the shaft is normally reective, it must be covered with black tape
or black paint before attaching reective tape.
5. The shaft surface must be clean and smooth before applying the
reective tape.
Photo Measurements
1. Apply a small piece of reective tape to the object being measured.
2. Slide the function switch to the "rpm photo" position.
3. Press the Measure button and align the visible light beam with the
applied target.
Contact Measurements
1. Slide the function switch to the "rpm contact" position.
2. Install the proper RPM adapter for your application on the shaft.
3. Press the Measure button while lightly pressing the rpm adapter
against the center opening of a rotating shaft.
4. Release the Measure button when the reading stabilizes
(approx. 2 seconds).
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6
Surface Speed Measurements
Measuring Time
1. Slide the function switch to the "m/min contact" position.
2. Install the surface wheel adapter on the instrument.
3. Press the Measure button while lightly pressing the surface wheel
against the surface being measured.
4. Release the Measure button when the display reading stabilizes
(approx. 2 seconds).
NOTE: If the inside part of the wheel is used (as shown in the
picture), measurements are required to be multiplied by 0.9
for an accurate measurement. This will not be the case when
using the outside part of the wheel.
Memory Recall
Accessing Maximum, Minimum and Last Values
The maximum, minimum and last values obtained prior to releasing the
Measure button will automatically be stored in memory.
Display
Reading
Max Value
Last Value
Min Value
IMPORTANT NOTE: All stored values will be erased from memory the
next time the Measure button is pressed.
continued...
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To display these values, follow the steps below:
1. Press and hold the MEM button once. A value is displayed followed
by the "UP" symbol, which represents the maximum value.
2. Release the MEM button.
3. Press and hold the MEM button again. A second value is displayed
followed by the "dn" symbol, which represents the minimum value.
4. Release the MEM button.
5. Press and hold the MEM button again. A third value is displayed
followed by the "LA" symbol, which represents the last value.
6. Release the MEM button.
Max Value
DIGITAL TACHOMETER
RPM
DIGITAL TACHOMETER
RPM
Min Value
DIGITAL TACHOMETER
RPM
DIGITAL TACHOMETER
RPM
Last Value
DIGITAL TACHOMETER
RPM
DIGITAL TACHOMETER
RPM
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Accessing Stored Measurements
The meter has the capability of storing up to 64 values during a single
measuring period. In order to recall these values, follow the steps below:
1. Press the MEM button four times and hold it down.
2. The meter will begin to countdown from 20 to 1 RPM indicating it is
compiling the stored values.
3. Once the countdown is completed, a total of the values stored
will display as "An XX", whereas XX will be the number of stored
measurements.
4.
Press the MEM button repeatedly to scroll through each stored value.
Battery Replacement
1. When the bottom left corner of the LCD displays the batteries
should be replaced.
2. Open the Battery Cover located on the back of meter and remove
the batteries.
3. Replace with 4 new AA batteries, check that the polarization is
correct and reinstall the cover.
Accessories and Replacement Parts
R7100-TIPL Large Cone Adapter
R7100-TIP Cone Adapter
R7100-FUNNEL Funnel Adapter
R7100-SHAFT Shaft Extension Adapter
R7100-WHEEL Surface Wheel Adapter
RT100 Reective Tape for Tachometers
CA-05A Soft Carrying Case
R9940 Hard Shell Carrying Case
Don't see your part listed here? For a complete list of all accessories and
replacement parts visit your product page on www.reedinstruments.com.
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Applications
• Identify issues with rotational equipment such as: Conveyors, Turbines,
Compressors, Fans and Blowers.
• Automated Assembly and Production Lines
Product Care
To keep your instrument in good working order we recommend the following:
• Store your product in a clean, dry place.
• Change the battery as needed.
• If your instrument isn’t being used for a period of one month or longer
please remove the battery.
• Clean your product and accessories with biodegradable cleaner. Do not
spray the cleaner directly on the instrument. Use on external parts only.
Product Warranty
REED Instruments guarantees this instrument to be free of defects
in material or workmanship for a period of one (1) year from date of
shipment. During the warranty period, REED Instruments will repair or
replace, at no charge, products or parts of a product that proves to be
defective because of improper material or workmanship, under normal
use and maintenance. REED Instruments total liability is limited to repair
or replacement of the product. REED Instruments shall not be liable for
damages to goods, property, or persons due to improper use or through
attempts to utilize the instrument under conditions which exceed the
designed capabilities. In order to begin the warranty service process,
please contact us by phone at 1-877-849-2127 or by email at
info@reedinstruments.com to discuss the claim and determine the appropriate steps to process the warranty.
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Product Disposal and Recycling
Please follow local laws and regulations when disposing or recycling your
instrument. Your product contains electronic components and must be
disposed of separately from standard waste products.
Product Support
If you have any questions on your product, please contact your authorized
REED distributor or REED Instruments Customer Service by phone at
1-877-849-2127 or by email at info@reedinstruments.com.
Please visit www.REEDInstruments.com for the most
up-to-date manuals, datasheets, product guides and software.
Product specifications subject to change without notice.
All rights reserved. Any unauthorized copying or reproduction of
this manual is strictly prohibited without prior written permission
from REED Instruments.
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