Kusam-meco 2754A Operation manual

Manual is about: CLAMP-ON MULTIMETER

Summary of 2754A

  • Page 1

    Operation manual clamp-on multimeter 2754a 2754a-t(true rms) 17, bharat industrial estate, t. J. Road, sewree (w), mumbai-400015. India sales direct: 24156638 tel.:(022)2412 4540, 2418 1649 fax:(022)2414 9659 e-mail : kusam_meco@vsnl.Net, website : www.Kusamelectrical.Com www.Kusam-meco.Co.In digita...

  • Page 2: Clamp-On

    Nearly every electrical engineer has a hand held digital clamp meter (tongtester). We sometimes take them for granted, until we damage them or “burn them out”. If you incorrectly connect your clamp meter to a circuit, or if you have the clamp meter on wrong setting, you damage the meter and possibly...

  • Page 3

    Table of contents title page safety.......................................................1 electrical symbols................................... 3 specifications general specifications............................ 4 electrical specifications.......................... 6 ac voltage ......................

  • Page 4

    2 terms in this manual warning : identifies conditions and actions that could result in serious injury or even death to the user. Caution : identifies conditions and actions that could cause damage or malfunction in the instrument warning: to reduce the risk of fire or electric shock, do not expose ...

  • Page 5

    4 display : 3¾ digits 4000 counts lcd display(s) update rate : 3 per second nominal polarity : automatic low battery : below approx. 2.4v o o operating temperature : 0 c to 40 c relative humidity : maximum relative humidity o 80% for temperature up to 31 c decreasing linearly o to 50% relative humid...

  • Page 6

    6 accuracy is ± (% reading digits + number of digits) or otherwise specified, at 23°c ± 5°c and less than 75% r.H 400.0 mv 600 v 400.0 v 40.00 v 4.000 v range 0.3% + 3d dc voltage nmrr : >50db @ 50/60hz input impedance : 10mw , 30pf nominal (1000mw for 400.0mv range) cmrr : >120db @ dc 50/60hz, rs =...

  • Page 7

    8 capitance 500.0nf 3000m f 500.0m f 50.00m f 5.000m f 1) range 1) additional 50.00nf range accuracy is not specified 2) accuracies with film capacitor or better 3) specified with battery voltage above 2.8v (approximately half full battery). Accuracy decreases gradually to 12% at low battery warning...

  • Page 8

    10 product description this user’s manual uses only representative model(s) for illustrations. Please refer specification details for function availability to each model. 1) hall-effect clamp jaw for ac & dc current electric field pick up. 2) hand/finger barrier to indicate the limits of safe access...

  • Page 9

    12 inputs are made through the clamp jaws for non- invasive aca & dca current measurements. The meter will show a close to zero reading when the inputs are shorted. Open input is actually a floating condition, which is not a zero-volt-input condition. Note : ac 400.0mv range selection is by range bu...

  • Page 10

    14 using resistance, continuity or diode function in a live circuit will produce false results and may damage the instrument. In many cases the suspected component must be disconnected from the circuit to obtain an accurate measurement reading. Inputs are made through the test leads terminals. Slide...

  • Page 11

    16 relative zero r mode relative zero r mode allows the user to offset the meter consecutive measurements with the displaying reading as the reference value. The display will now show readings relative to the stored reference value. That is, display= reading - stored value. Press the r button moment...

  • Page 12: Test Certificate

    Mumbai test certificate clamp-on multimeter this test certificate warrantees that the product has been inspected and tested in accordance with the published specifications. The instrument has been calibrated by using equipment which has already been calibrated to standards traceable to national stan...

  • Page 13

    20 warranty each “kusam-meco” product is warranted to be free from defects in material and workmanship under normal use & service. The warranty period is one year (12 months) and begins from the date of despatch of goods. In case any defect occurs in functioning of the instrument, under proper use, ...