INSTRUCTION MANUAL - Calright Instruments
Contents
1. Uu Cn INSTRUCTION MANUAL 20uF UF 200nF e 200uF o 20nF 2000 e 200 pF C DISCHARGE CAPACITOR BEFORE CONNECTING 1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com Capacitance Meter Introduction The DCM3 Digital Capacitance Meter offers solid value in an industrial quality meter The wide range of inputs allows testing from the smallest electronic components to large run start capacitors The rugged design with protective boot and auto power off function keep your meter working Features include 0 1 to 20 mF 20 000 pF e Zero adjustment 20 pF for compensation of the measuring leads e Fuse protected input Safety Notes Before using this meter read all safety information carefully In this manual the word WARNING is used to indicate conditions or actions that may pose physical hazards to the user The word CAUTION is used to indicate conditions or actions that may damage this instrument Operating Instructions AN warnine To avoid electrical hazards discharge the capacitor before measuring 1 For capacitance measurement less than 200nF it should make 0 ADJ for subtract the stray capacitance 2 Set the range switch to the desired range 3 Never apply an external voltage to the input terminals Damage to the meter may result 4 Observe polarity when measuring polarized capacitors 5 Insert the capacitor leads into the receptacle socket or d2. an cause premature wear 4 Although your meter is built to withstand the rigors of daily use it can be damaged by severe impacts Use reasonable caution when using and storing the meter NOTE When serviang the meter use only the replacement parts specified Cleaning and Decontamination Periodically clean your meter s case using a damp cloth DO NOT use abrasives cleaning solvents or strong detergents as they may damage the finish or affect the reliability of the structural components Battery Replacement Always use a fresh replacement battery of the specified size and type Immediately remove the old or weak battery from the meter and dispose of it in accordance with your local disposal regulations Old or defective batteries can leak chemicals that corrode electronic circuits AN warninc To avoid electric shock be sure to turn off the meter s power and disconnect both test leads from any equipment before you remove or install batteries AN warninc Under NO circumstance should you expose batteries to extreme heat or fire as they may explode and cause injury NOTE If you do not plan to use the meter for a month or more remove the battery and store it in an area that won t be damaged by a leaking battery P 1 Characteristics Resolution Accuracy Test Freguency 1 rdg 3dgt 2 rdg 3dgt 8 2Hz 4 rdg 9dgt Specifications em Auto power off After meter operation approx 10 minutes auto power off cir
3. cuit Test Voltage Input protection Zero adjust limited Shock proof Display 0 25 A 250 V fast action fuse 20 pF approx New structure shock proof from 3 meter drop 3 1 2 digit liquid crystal display LCD with maximum reading of 1999 Automatic positive implied negative polarity indication Over range 1 or 1 is displayed Zero Automatic Low battery indication The fh is displayed when the battery voltage drops below the operating level 2 5 times per second 0 C 60 C at 70 relative humidity 20 C 60 C 0 to 80 R H with battery removed Stated accuracy at 23 C 5 C lt 75 relative humidity Single standard 9 volt battery NEDA 1604 pr JIS 006P Battery life 00 hours typical with carbon zinc Dimension 150 mm H x 70 mm W x 38 mm D Weight Approx 170g including battery Accessories One pair test leads 9V battery operating instructions Polarity A 25 Ui lt Measurement rate Operation environment Storage temperature Accuracy Power N DCM3 MAN P 2 H DCM3 Capacitance Meter Limited Warranty The DCM3 is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase If within the warranty period your instrument should become inoperative from such defects the unit will be repaired or replaced at UEi s option This warranty covers normal use and does not cover damage which occurs in shipment or fai
4. irectly connect the test clip to the capacitor leads as required 6 Read the capacitance direct from the display Battery Replacement Power is supplied by a 9 volt transistor battery NEDA 1604 IEC6F22 The E appears on the LCD display when replacement is needed To replace the battery remove the two screws from the back of the meter and lift off the front case Remove the battery from battery contacts Fuse Replacement If no current measurements are possible check for a blown overload protection fuse There ia a fuse F1 for the Cx jack For access to fuses remove the two screws form the back of the meter and lift off the front case Replace F1 only with the original type 0 25A 250V fuse DCM3 MAN Maintenance Periodic service AN wanne Repair and service of this instrument is to be performed by qualified personnel only Improper repair or service could result in physical degradation of the meter This could alter the protection from electrical shock and personal injury this meter provides to the operator Perform only those maintenance tasks that you are gualified to do These guidelines will help you attain long and reliable service from your meter 1 Calibrate your meter annually to ensure it meets original performance specifications 2 Keep your meter dry If it gets wet wipe it dry immediately Liguids damage electronic circuits 3 Whenever practicd keep the meter away from dust and dirt which c
5. lure which results from alteration tampering accident misuse abuse neglect or improper maintenance Batteries and consequential damage resulting from failed batteries are not covered by warranty Any implied warranties including but not limited to implied warranties of merchantability and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for any claim or claims for such damage expenses or economic loss A purchase receipt or other proof of original purchase date will be required before warranty repairs will be rendered Instruments out of warranty will be repaired when repairable for a service charge Return the unit postage paid and insured to 1 800 547 5740 FAX 503 643 6322 www ueitest com Email info ueitest com This warranty gives you specific legal rights You may also have other rights which vary from State to state PLEASE Je qo RECYCLE Copyright 2007 UEi DCM3 MAN 1 07
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