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Table of Contents
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Summary of Contents for Axio AX-155
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Page 1: Digital Multimeter
TRUE RMS AUTORANGING DIGITAL MULTIMETER Model AX-155 INSTRUCTION MANUAL... -
Page 2: Safety Warnings
SAFETY WARNINGS The following safety information must be observed to insure maximum personal safety during the operation at this meter: • Measurements beyond the maximum selected range must not be attempted. • Extreme care must be taken when measuring above 50 V, especially on live bus-bars. •... -
Page 3: Symbols And Annunciators
Equipment protected throughoutby Double Insulation (Class II) Equipment complies with current EU directives SYMBOLS AND ANNUNCIATORS •))) Continuity Low Battery Diode test HOLD Data Hold AUTO Auto Ranging Alternating Current or Voltage Direct Current or Voltage MAX/MIN Stores the highest or lowest measurement PEAK Find glitches and transients without a scope Backlight... - Page 4 HOLD button The HOLD function allows the meter to "freeze" a measurement for later reference. 1. Press the HOLD button to “freeze” the reading on the indicator. The “HOLD” message will be appear in the display. 2. Press the HOLD button again to return to normal operation. BACKLIGHT button 1.
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Page 5: Ac/Dc Voltage Measurement
RANGE button When the meter is first turned on, it automatically goes into AutoRanging. This automatically selects the best range for the measurements being made and is generally the best mode for most measurements. For measurement situations requiring that a range be manually selected, perform the following: 1. -
Page 6: Resistance (Ω) Measurement
4. For current measurements up to 10A AC, set the function switch to the A position and insert the red test lead banana plug into the 10A jack. 5. Press the MODE button. The measurement mode will change between AC or DC as required. 6. -
Page 7: Capacitance Measurement
meter reading. 5. Reverse the probe polarity by switching probe position. Note this reading. 6. The diode or junction can be evaluated as follows: A. If one reading shows a value and the other reading shows OL, the diode is good. B. -
Page 8: Specifications
Note: The temperature probe is fitted with a type K mini connector. A mini connector to banana connector adaptor is supplied for connection to the input banana jacks. SPECIFICATIONS Technical: Insulation: Class2, Double insulation. Overvoltage category: CATIV 600V,CATIII 1000V NOTE: These meters meet CAT III and CAT IV IEC 61010 standards. The IEC 61010 safety standard defines four overvoltage categories (CAT I to IV) based on the magnitude of danger from transient impulses. - Page 9 DC Voltage (Auto-ranging) Range Resolution Accuracy 400.0mV 0.1mV +0.5% of rdg + 2 digits 4.000V 40.00V 10mV 400.0V 100mV 1000V +0.8% of rdg + 2 digits Input Impedance: 7.8MΩ. Maximum Input: 1000V dc or 1000V ac rms. AC Voltage (Auto-ranging) Range Resolution Accuracy...
- Page 10 AC Current (Auto-ranging) Range Resolution Accuracy 400.0uA 0.1uA +1.5% of rdg + 5 digits 4000uA 40.00mA 10uA 400.0mA 100uA 10mA +3.0% of rdg + 5 digits Overload Protection: 0.5A / 1000V and 10A / 1000V Fuse. AC Response: True RMS, 50 Hz to 60 Hz Maximum Input: 400uA ac rms on uA 400mA ac rms on mA...
- Page 11 Input Protection: 1000V dc or 1000V ac rms. Frequency (Auto-ranging) Range Resolution Accuracy 4.000kHz +1.2% of rdg + 3 dgts 40.00kHz 10Hz 400.0kHz 100Hz 10.00MHz 1kHz +1.5% of rdg + 4 dgts Sensitivity: >0.5V RMS while ≤1MHz ; Sensitivity: >3V RMS while >1MHz ; Input Protection: 1000V dc or 1000V ac rms.
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Page 12: Battery Installation
BATTERY and FUSE replacement WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the battery door. 1. When the batteries become exhausted or drop below the operating voltage, the battery warning symbol will appear in the LCD display. The battery should be replaced. 2.
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