Dawson DAM110A
Contents
1. Safety Information Z WARNING TO REDUCE THE RISK OF FIRE ELECTRICAL SHOCK PRODUCT DAMAGE OR PERSONAL INJURY PLEASE FOLLOW THE SAFETY INSTRUCTIONS DESCRIBED IN THE USER S MANUAL READ THE USER S MANUAL BEFORE USING THE METER A WARNING TO ENSURE SAFE OPERATION AND LIFE OF THE METER DO NOT PLACE THE METER IN ANY ENVIRONMENT WITH HIGH PRESSURE HIGH TEMPERATURE DUST EXPLOSIVE GAS OR VAPOR Avoid shaking dropping or any kind of impacts when using or transporting the Meter To avoid possible electric shock or personal injury repairs or servicing not covered in this manual should be performed only by qualified personnel Avoid direct exposure to sunlight to ensure extended life of the Meter Do not place Meter in a strong magnetic field this may cause false readings Use only the batteries indicated in the Technical Spec Avoid exposing batteries to humidity Replace batteries as soon as the low battery indicator appears Please keep the original packing for future shipping purposes ex Calibration After opening the box check for any damage during delivery Certification CE The Meter is compiled to EMC requirements Introduction Overview The DAM110A is a contact type digital tachometer with stable performance high reliability and a high safety standard This Meter uses a compact high speed integrated chip capable of measuring rotation speeds from 50RPM to 19999RPM The backl2. Dawson DAM110A Digital Contact Tachometer User s Manual Table of Contents LIMITED WARRANTY AND LIMITATION OF LIABILITY siscves ncvccssscsstesscossecestestesessedsccessesteo 3 Out Of the BOX roteer nenna areis 4 AGCESSOTIES i airneisi meirein 4 Safety Information ccccccscececeseesteeseeees 4 CertifiCAtiONS insien aiiai 6 INTRODUCTION o e 6 Overview hiren anakane eai aa asidi 6 Figures and Components sssscccccceeeeees 7 Buttons and COMPONENHS c ccccccccseeees 7 Button description c cecececeesestsceseeeseenes 9 Display Description cccesssseseeeeeenee 10 USING THE METER cccsseecccccessseseeeees 11 Select Idler Wheel Size cccccccessseseseseseeeee 12 Rotation Speed Measurement 0 12 Speed Measurement cccccccccecessessesseeees 13 MaXiMUM MUINIMUM ecccccccccsccseesssseseessee 14 SAVING Ddata i raiat aeiaai aa 15 Read Recall Data wiccccccccccccccssscseesssssssssses 15 SPECIFICATIONS osssessseessssseosssessessesssssssesse 16 General Specification cccccccccsesseceeeeeeees 16 Operating CNViIFTONMENL cccccceseeeee 16 Technical Parameters sssessseseseesees 17 MAINTENANCE AND REPAIR seseeeeee 18 RED OIE AAPEEE Ses teak EEA AA 18 Replacing Batteries cccccccccccsssseceeeeeeees 19 CONTACT DAWSON cccccccesssesseeeeeeeees 19 FEATUREG s0sssseeseeeseseeeeeeeeee BACK Page LIMITED WARRANTY AND LIMI
3. TATION OF LIABILITY This instrument from Dawson Tools Inc will be free from defects in workmanship and material for three years from the date of original purchase This warranty does not cover defects resulting from damage caused by the user such as drops neglect misuse unauthorized alteration usage outside of specified conditions contamination or improper repair maintenance To receive service on the instrument if it becomes necessary during the warranty period contact your nearest Dawson authorized service center at 800 898 6991 or visit www DawsonTools com to obtain a return authorization within the US only A return authorization is necessary before returning any instrument to Dawson no service will be provided without a return authorization The user is responsible for properly packing the unit and charges such as shipping freight and insurance charges The extent of Dawson s liability is limited solely to the repair replacement of the instrument The above warranty in its entirety is inclusive and no other warranties written or oral are expressed or implied Out of the Box Check the Meter and accessories thoroughly before using the Meter Contact your local distributor if the Meter or any components are damaged or malfunction Accessories 6 in idler wheel 1pc 0 1m idler wheel 1pc Concave touch tip 1pc Protruding touch tip 1pc Extension rod 1pc User s Manual 1pc 1 5V AAA Battery 4pcs Soft Case 1pc
4. Using the Meter WARNING KEEP A SAFE DISTANCE FROM HIGH SPEED ROTATING OBJECTS TO AVOID ANY MECHANICAL DAMAGE OR PERSONAL INJURY 11 Select Idler Wheel Size Hold the MODE button then press button to turn on the meter and enter idler wheel selection mode PERIMETER The default selection is the 0 1m idler wheel for m min and m sec measurement For ft min ft sec and in min measurements press amp or y to select 6 or 12 idler wheel Once desired measurement mode is selected press MAX MIN to confirm the selection Rotation Speed Measurement 1 Install extension rod and touch tip to the meter 2 Make sure the object to be measured is at a stable rotating speed 12 NOTE After selecting the idler wheel RPM appears above the numbers Move the edge of touch tip to contact the object smoothly Hold the MEASURE button and read testing result on LCD screen Signal symbol will blink during measurement MEASURE button must be held down in order for the meter to read the rotation speed Remove the extension rod if the reading above 10000 RPM as the vibration of the extension rod will lead to inaccurate reading under high RPM Speed Measurement 13 1 After selecting the idler wheel press MODE button to select the desired measuring units m min m sec ft min ft sec or in min Install the selected idler wheel Move the edge of touch tip to
5. contact the moving object smoothly 4 Press and hold the MEASURE button and read the testing result from the LCD screen Signal symbol will blink during measurement NOTE MEASURE button must be held down in order for the meter to read the speed Maximum Minimum To show the maximum measurement press MAX MIN button till MAX is displayed To show the minimum measurement press MAX MIN button till MIN is displayed To show current readings press MAX MIN button till the LCD does not display MAX or MIN NOTE MAX MIN cannot be used in real time no current data will be shown or updated when MAX MIN is used 14 Saving Data 1 Press MEM button and MEM will appear on the upper right corner of LCD screen default storage number is 00 Press or a y to select storage number Press E1 to save the reading in the specified storage number value will flash once The current rotation speed value is stored in the selected storage number Press READ to exit data saving Read Recall Data 1 2 15 Press READ to recall the saved data Press A or y to select the storage number stored value will be displayed Press MEM to exit Specifications General Specification Rotation speeds from 50 to 19999RPM display will read 0 00 if below 50 RPM Auto power off 30 sec L
6. it LCD allows measurements and readings in low light Figures and Components Buttons and Components 1 61n Idler Wheel 2 Concave Touch Tip 3 Protruding Touch Tip 4 Extension Rod 5 0 1 M Idler Wheel 6 Measurement Bearing 7 Mode Switch Button 8 Measurement Button 9 Data Storage Button 10 Backlight and Hold Button 11 Plus Button 12 LCD 13 Power Button 14 Maximum and Minimum Button 15 Data Storage Read Button 16 Minus Button Front Panel Button Description Power On Off MIN MAX MODE MEASURE MEM READ Press the key to turn on off the meter Switch measurement mode between maximum MAX and minimum MIN Switch measurement between m min m sec ft min ft sec in min and RPM Press and hold the key to read the current measurement Save current measurement Read the data saved by MEM E Press to turn on off the Hold function Press 3 seconds to turn on off the backlight A Plus button increase the number when reading or to saving data Minus button decrease the number when reading or saving data Display Description LCD Figure 10 1 Signal Symbol 2 Idler Wheel Size 3 Low Battery Symbol 4 Maximum Measurement Mode 5 Rotation Speed Reading 6 Minimum Measurement Mode 7 Memory Symbol 8 Storage Number in Memory 9 Average Measurement Value 10 Rotation Speed Unit 11 Speed Measurement Unit
7. ow battery symbol E is displayed if batteries are lower than 4 5V Power supply 4 x 1 5V AAA batteries Dimension Lx W x H 7 5 x 2 4 x 1 1 155 x 60 x 27 mm Weight 0 3lb 120gm Operating Environment Elevation lt 6560 ft 2000 m Relative humidity RH lt 80 RH z Operating temperature 32 104 F 0 40 C 16 Technical Parameters Measuring Scope Accuracy Resolutions 50 99 99 RPM 0 01RPM 0 03 2d 100 9999 9RPM 0 1RPM 10000 19999 RPM 1RPM All accuracies indicated in this document are stated in laboratory conditions and can be guaranteed for measurements carried out in the same conditions or with required conditions 17 Maintenance and Repair Repair Please follow these steps closely if the Meter is not functioning properly 18 Check batteries replace with new batteries if low battery indicator Ep appears Follow User s Manual to confirm all procedures Before sending Meter back for repair include a description of the problems encountered Remove batteries and pack Meter well to avoid damage in delivery Dawson does not cover damage due to delivery Repair or service not covered in this manual should be performed only by the authorized service center or qualified personnel Replacing Batteries Follow these steps to replace batteries Turn off the Meter Loosen the battery compartment door and remove the door f
8. rom the case bottom Remove batteries and replace with new batteries Re attach the battery compartment door to the case bottom and tighten screw Contact Dawson Dawson Tools Inc 1142 S Diamond Bar Blvd 858 Diamond Bar CA 91765 Phone 310 728 6220 www DawsonTools com T Do not recycle 19 Back Page Features LCD Display Auto Ranging Auto Power Off MAX MIN AVG Display Back Light Data Hold Low Battery Indicator 20
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