Fluke III Series Instruction Sheet

Fluke III Series Instruction Sheet

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Read First: Safety Information
W To avoid damage to the meter, electric shock or injury:
• Never use the meter if the meter or test leads look damaged.
• Be sure the test leads and rotary switch are in the correct
position for the desired measurement.
• Never measure resistance in a circuit when power is applied.
• Never touch the probes to a voltage source when the test
leads are plugged into the 10 A or 300 mA input jack.
• Never use the meter on circuits that exceed 4800 volt-amps.
• Never apply more than the rated voltage between any input
jack and earth ground.
• Be careful when working with voltages above 60 V dc or 30 V
ac rms. Such voltages pose a shock hazard.
• Keep your fingers behind the finger guards on the test probes
when making measurements.
To avoid false readings, which could lead to possible
electric shock or personal injury, replace the battery
as soon as the low battery indicator (M) appears.
Symbols
W
Caution: Important Information. See instruction sheet.
Manual Range.
MAN
T
Double Insulation.
M
Low battery. Replace battery.
Overvoltage Installation Category per IEC 61010-1-95.
CAT II
CAT II instruments protect against transients from
equipment supplied from the fixed installation, e.g., TV,
PC, and household appliances.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Series III Multimeter
W Warning
Instruction Sheet
®
73

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Summary of Contents for Fluke III Series

  • Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com ® Series III Multimeter Instruction Sheet Read First: Safety Information W To avoid damage to the meter, electric shock or injury: • Never use the meter if the meter or test leads look damaged. •...
  • Page 2: Push Button

    Terminals Amps Volts, Ohms, Diode Test 600V CAT FUSED Common Terminal Milliamps hr2f.eps See Specifications for overload protection. Pushbutton Use the pushbutton to either select a fixed range or put the meter in the Automatic Touch Hold mode. ® Autorange The meter defaults to autorange when first turned on.
  • Page 3: Bar Graph

    Automatic Touch Hold Mode W Warning ® To avoid electric shock, do not use the Touch Hold mode to determine if a circuit with high voltage is dead. The Touch Hold mode will not capture unstable or noisy readings. The Touch Hold mode automatically captures and displays stable readings.
  • Page 4 Standby If the meter is on but is inactive for an hour (20 minutes in diode test), the screen goes blank and displays selected bar graph segments. To resume operation, turn the rotary switch or press R. AC and DC Voltage (K L m L) Volts AC Volts DC Millivolts DC...
  • Page 5: Diode Test (G)

    Diode Test (G) Good Diode Good Diode Single Beep Forward Bias Reverse Bias Bad Diode Bad Diode Open Shorted hr7f.eps...
  • Page 6 Continuity Test ( R ) hr5f.eps If continuity exists (resistance < 210 Ω), the beeper sounds ® continuously. The meter beeps twice if it is in the Touch Hold mode. Current (? A) W Warning To avoid injury, do not attempt a current measurement if the open circuit voltage is above the rated voltage of the meter.
  • Page 7: Maintenance

    To avoid damaging meter components, lift up the end of the battery as shown. To avoid contamination or static damage, do not touch the circuit board without proper static protection. For maintenance procedures not described in this Instruction Sheet, contact a Fluke Service Center.
  • Page 8: Battery And Fuse Replacement

    Internal Fuse Test 10 A 300 mA Ω Ω <0.5 hr10f.eps Battery and Fuse Replacement Warning To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the low battery indicator (M) appears.
  • Page 9: Contacting Fluke

    Contacting Fluke To contact Fluke, call: 1-888-99-FLUKE (1-888-993-5853) in U.S.A 1-800-36-FLUKE in Canada +31-402-678-200 in Europe +81-3-3434-0181 Japan +65-738-5655 Singapore +1-425-446-5500 from other countries Visit Fluke’s web site at: www.fluke.com. Register your meter online at: http://register.fluke.com. Part Item Description Qty.
  • Page 10: General Specifications

    General Specifications Maximum Voltage Between 600 V any Terminal and Earth Ground Display Digital: 3,200 counts, updates 2.5/sec Analog: 31 segments, updates 25/sec Response Time of Digital V ac < 2 s Display V dc < 1 s Ω < 1 s to 320 kΩ, < 2s to 3.2 MΩ, <...
  • Page 11: Accuracy Specifications

    Accuracy Specifications Accuracy is specified for a period of one year after calibration, at 18 °C to 28 °C (64 °F to 82 °F) with relative humidity to 90 %. AC conversions are ac-coupled, average responding, and calibrated to the RMS value of a sine wave input. Accuracy specifications are given as: ±...
  • Page 12 2.0 V dc Typical Short Circuit Current 400 µA 500 µA Typical Test Current 0.0 V 0.5 mA 0.6 V 0.4 mA 1.2 V 0.3 mA 2.0 V 0.1 mA Back to the Fluke 77-3/77-4 Info Page Visit us at www.TestEquipmentDepot.com...

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