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Test Equipment Depot BST-CM273 Instruction Manual

Ac/dc clamp meter

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99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
BST-CM273
AC/DC CLAMP METER
INSTRUCTION MANUAL

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Summary of Contents for Test Equipment Depot BST-CM273

  • Page 1 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com BST-CM273 AC/DC CLAMP METER INSTRUCTION MANUAL...
  • Page 2: Table Of Contents

    INDEX Page 1. INTRODUCTION........ 2. SAFETY NOTES........ 3. FEATURES......... 4. SPECIFICATIONS......5. INSTRUMENT LAYOUT..... 6. MEASUREMENT........ 9-11 7. MAINTENANCE.........
  • Page 3: Introduction

    1. INTRODUCTION NOTE This meter has been designed and tested according to CE Safety Requirements for Electronic Measuring Apparatus, EN61010-1, EN 61010-2-32 and other safety standards. Follow all warnings to ensure safe operation. WARNING READ "SAFETY NOTES" (NEXT PAGE) BEFORE USING THE METER.
  • Page 4: Safety Notes

    2. SAFETY NOTES Read the following safety information carefully before attempting to operate or service the meter. ● Use the meter only as specified in this manual, otherwise the protection provided by the meter may be impaired. ● Always keep hands behind the meter barrier. ●...
  • Page 5: Features

    3. FEATURES ● Full Autorange for all functions. ● Data Hold function freezes the reading. ● Max Hold function holds the absolutely maximum of readings. ● LCD backlight function. ● Flashlight function. ● Low battery indication. ● Safety design throughout with no exposed metal parts, shielded banana plugs and recessed input terminals.
  • Page 6: Specifications

    4. SPECIFICATIONS Ranges: AC Voltage: 400/600 V AC Current: 400/1000 A DC Voltage: 400/600 V DC Current: 400/1000 A Resistance: 400/2000 Ω Diode : 400/2000 mV at 1mA Range Resolution Accuracy 400V 0.1V ±(1.0%rdg+3dgt) 600V Range Resolution Accuracy 400A 0.1A ±(1.5%rdg+3dgt) 1000A *Frequency Response 40Hz~500Hz...
  • Page 7 Range Resolution Accuracy 400A 0.1A ±(1.5%rdg+3dgt) 1000A Resistance Range Resolution Accuracy 400Ω 0.1Ω ±(1.0%rdg+3dgt) 2000Ω 1Ω *Buzzer sounds below 38.0Ω ● Overload protection 750V rms. 1000V. Diode & Ohm 600V rms. ● Conductor Size Approx. 40mm Max. ● Operating Principle: Dual slope integration. ●...
  • Page 8 ● Sample Rate: Approx.2 times per second. ● Temperature & Humidity for Guaranteed 0°C~40°C at 80% max. relative humidity. ● Storage Temperature & Humidity: -10°C~50°C at 80% max. relative humidity. ● Dimensions 255(L) x 80(W) x 35(D)mm. ● Weight Approx. 420g (battery included). ●...
  • Page 9: Instrument Layout

    5. INSTRUMENT LAYOUT 1000A CAT.Ⅲ 600V AC V DC V AC A DC A Ω ZERO HOLD AC/DC CLAMP METER Ω 600V CAT.Ⅲ...
  • Page 10 (1) Transformer Jaws Pick up the conductor within the jaws center. (2) Barrier Provide a protective distance from hands to conductor. (3) Jaw Trigger Press to open the jaws. (4) DCA zero adjustment shaft (5) LCD Display 3¾ digit LCD with the maximum reading of 3999. (6) Input Terminals (7) Function Switch (8) Max Button...
  • Page 11: Measurement

    6. MEASUREMENT Before proceeding with measurement, read the safety notes. (1) AC Voltage measurement ● Insert the BLACK test lead to COM and the RED one to the other terminal. ● Set the function switch to ACV. ● Connect the test leads to the object to be measured.when measuring AC voltage, the polarity of the leads can be ignored.
  • Page 12 (3) AC Current measurement ● Set the function switch to ACA. ● Press the jaw trigger to open the transfomer jaw and clamp onto one conductor only. ● Read the display. LOAD LOAD LOAD LOAD 1000A CAT.Ⅲ 600V AC V DC V 1000A CAT.Ⅲ...
  • Page 13 (5) Resistance & Diode measurement CAUTION! Make sure that there is no voltage in the circuit or components being measured. For resistance test: ● Insert the BLACK test lead to COM and the RED one to the other terminal. ● Set the function switch to Ω. ●...
  • Page 14: Maintenance

    Do not use abrasives or solvents. If the meter is not to be used for a long time over 60 days, please remove the battery for storage. -12- Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com...