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Summary of Contents for Fieldpiece HB74
- Page 1 Model HB74 HEAVY DUTY DIGITAL MULTIMETER OPERATOR'S MANUAL...
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Page 2: Display And Controls
DISPLAY AND CONTROLS... - Page 3 1. DATA HOLD freezes display with the touch of a button, indicator in LCD turns on. A second touch resets. 2. MAX HOLD remembers the largest number displayed, indicator in LCD turns on. Second touch resets. 3. Phase rotation feature identifies phase relationship of three-phase power.
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Page 4: Frequency (Hz)
MULTIMETER SETUP FREQUENCY (Hz) VOLTS For DC volts, select DC, not AC as shown above. PHASE ROTATION RESISTANCE (Ohms) - Page 5 AMPS<200mA AMPS>200mA For DC amps through the meter, select DC, not AC as shown above. CAPACITANCE (µ µ µ µ µ Farads) AMPS WITH CLAMP For best resolution on any Discharge first function, choose range just above value you expect. If display reads overload ("OL") select a higher range.
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Page 6: Optional Accessories
OPTIONAL ACCESSORIES EVER-INCREASING LINE OF ACCESSORY HEADS The HB74 can be used to test a wide variety of parameters. Plug the ADL2 test leads in the acces- sory head and connect to the meter. In most cases, use the 200mVDC range to read the pa- rameter directly. - Page 7 Model ACMK3 CARBON MONOXIDE HEAD AND PUMP Measures carbon monoxide content of air in parts per mil- lion (PPM). Measures from 0 to 2000PPM. Fast reacting. Use the pump to extract samples from specific test sites. Model AMD1 MICROWAVE OVEN DIODE TESTER It takes more voltage than a DMM can supply to test the forward direction of a high voltage diode.
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Page 8: Safety Information
SAFETY INFORMATION The Fieldpiece HB series was designed in accordance with IEC Publi- cation 348, Class II, Safety Requirements for Electronic Measuring Appa- ratus for use by trained professional technicians, and has been supplied in a safe condition. Fire retardant plastics, metal oxide varistors (MOVs), and "O"... -
Page 9: General Specifications
GENERAL SPECIFICATIONS Heavy duty: Case designed of hi-impact, fire retardant yellow Valox, fully "O" ring sealed. Meets MIL-T-28800 class ll type A. 6.9" x 2.8" x 1.5", 11.7 oz. Display: 3 digit liquid crystal display (LCD). Max. read of 1999. Data HOLD: "HOLD"... - Page 10 Functional Specifications Accuracy specifications good for 75°F±5°F, relative humidity less than 70%. Accuracy specified as ±% of reading ± number of least significant digits. For example if the actual parameter is 100 and the accuracy is specified as 1%±3, the measurement could be as high as 101.3 or as low as 98.7 on the 200 scale.
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Page 11: Diode Test
AC current Ranges: 200µA, 200mA, 20A* Resolution: 0.1µA Frequency response: 50Hz to 500Hz Accuracy: ±(1.5% rdg + 3dgts) on 200µA to 200mA ranges; ±(3.5% rdg + 3dgts) on 20A range Voltage burden: 250mV on 200µA range, 400mV on 200mA range and 600mV on 20A range. * 10A continuous, 20A for 30 seconds maximum. -
Page 12: Fuse Replacement
WARNING TO PREVENT ELECTRICAL SHOCK HAZARD, TURN OFF THE MULTIMETER AND DISCONNECT TEST LEADS BEFORE RE- MOVING THE BACK COVER Fuse Replacement If no current and capacitance measurements are possible, check for a blown overload protection fuse. There are two fuses; F1 for the µ... - Page 13 CALIBRATION It is recommended that the multimeter be calibrated once each year and/ or after it is repaired. Perform calibration at 75±5 F and a relative humidity of 70% or less. 1. Allow multimeter to stabilize for at least thirty minutes. 2.
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Page 14: User Maintenance
USER MAINTENANCE Repairs or services not covered in this manual should only be performed by qualified personnel. Regular operator maintenance consists of periodic cleaning (case and window), battery replacement, fuse replacement and recalibration. Note The instrument complies with class II, overvaoltage CAT.III of the IEC1010-1(EN61010-1) standard. -
Page 15: Troubleshooting
Phone: (714) 257-9060 Fax: (714) 257-9069 TROUBLESHOOTING The Fieldpiece HB series has been designed to be accurate, reliable and easy to use. However, it is possible that you may experience difficulties during operation. If there appears to be any kind of problem during use of... -
Page 16: Obtaining Service
This meter is warranted to the original purchaser against defects in material or workmanship for a period of two (2) years from the date of purchase. During the warranty period, Fieldpiece Instruments will, at its option, replace or repair the defective unit, subject to verification of the defect or malfunction.
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