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Brymen TBM115 User Manual

Versatile clamp-on multimeter series
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USER'S
MANUAL
TBM115/TBM116
Versatile Clamp-on
Multimeter Series

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Summary of Contents for Brymen TBM115

  • Page 1 USER'S MANUAL TBM115/TBM116 Versatile Clamp-on Multimeter Series...

  • Page 2: Overvoltage Category

    1) SAFETY This manual contains information and warnings that must be followed for operating the instrument safely and maintaining the instrument in a safe operating condition. If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired.

  • Page 3: International Electrical Symbols

    WARNING To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. The meter is intended only for indoor use. To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms. These voltage levels pose a potential shock hazard to the user.

  • Page 4: Product Description

    3) PRODUCT DESCRIPTION This user's manual uses only representative model(s) for illustrations. Please refer specification details for function availability to each model. 1) Transformer Clamp Jaw for AC current magnetic field pick up 2) Hand/Finger Barrier to indicate the limits of safe access of the meter during measurement 3) Push-buttons for special functions &...

  • Page 5: Operation

    4) OPERATION CAUTION Before and after hazardous voltage measurements, test the voltage function on a known source such as line voltage to determine proper meter functioning. DC Voltage and AC Voltage functions Inputs are made through the test lead terminals. Note: DC 400.0mV range is designed with 1000M...
  • Page 6 CAUTION 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  Resistance, and Continuity functions Inputs are made through the test leads terminals.
  • Page 7 Diode test function Inputs are made through the test leads terminals. Slide-switch on defaults at . Press SELECT button momentarily 2 times to select Diode test function. Normal forward voltage drop (forward biased) for a good silicon diode is between 0.400V to 0.900V. A reading higher than that indicates a leaky diode (defective).
  • Page 8 ACA Current clamp-on function Inputs are made through the clamp jaws for non-invasive ACA current measurements. CAUTION (Application and removal of the Clamp-on meter) Press the jaw trigger and clamp the jaws around only one single conductor of a circuit for load current measurement.
  • Page 9 HOLD The hold feature freezes the display for later view. Press the HOLD button momentarily to activate and to exit the hold feature. Relative zero mode Relative zero 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.

  • Page 10: Maintenance

    5) MAINTENANCE WARNING To avoid electrical shock, disconnect the meter from any circuit, remove the test leads from the input jacks and turn OFF the meter before opening the case. Do not operate with open case. Trouble Shooting If the instrument fails to operate, check batteries and test leads etc., and replace as necessary.
  • Page 11 Battery replacement The meter uses standard 1.5V AAA Size (NEDA 24A or IEC LR03) battery X 2 Loosen the 2 captive screws from the battery cover case. Lift the battery cover case. Replace the batteries. Replace battery cover case. Re-fasten the screws.

  • Page 12: Specifications General Specifications

    6) SPECIFICATIONS GENERAL SPECIFICATIONS Display : 3-3/4 digits 4000 counts LCD display(s) Update Rate : 3 per second nominal Polarity : Automatic Low Battery : Below approx. 2.4V Operating Temperature : 0°C to 40°C Relative Humidity : Maximum relative humidity 80% for temperature up to 31°C decreasing linearly to 50% relative humidity at 40°C Altitude : Operating below 2000m Storage Temperature : -20...

  • Page 13: Electrical Specifications

    ELECTRICAL SPECIFICATIONS Accuracy is ±(% reading digits + number of digits) or otherwise specified, at 23 C ±5 C & less than 75% R.H. True RMS Model BM116 ACV & ACA clamp-on accuracies are specified from 5% to 100% of range or otherwise specified.
  • Page 14 ACA Current (Clamp-on) RANGE Accuracy 1) 2) 3) 50Hz / 60Hz 400.0A 1.5% + 5d 1000A 1.5% + 5d* True RMS model BM116 Crest Factor: < 2.6 : 1 at full scale & < 5.2 : 1 at half scale Add 8d to specified accuracy while reading is below 15% of range Induced error from adjacent current-...

  • Page 15: Limited Warranty

    BRYMEN's warranty does not apply to accessories, fuses, fusible resistors, spark gaps, batteries or any product which, in BRYMEN's opinion, has been misused, altered, neglected, or damaged by accident or abnormal conditions of operation or handling.

This manual is also suitable for:

Tbm116

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