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Summary of Contents for Axio MET AX-T903
- Page 1 VOLTAGE TESTER AX-T903 AUTO TEST OPERATING INSTRUCTION...
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Page 2: Safety Notes
Safety International Safety Symbols Warning of a potential danger, comply with instruction manual. Caution! Dangerous voltage. Danger of electrical shock. Double insulation SAFETY NOTES Reference. Please use utmost attention. Do not exceed the maximum allowable input range of any function Insulated personnel body protective equipment up to 690V. - Page 3 The voltage testers may no longer be used if one or several functions fail or if no functionality is indicated. Do not use this instrument under damp conditions Perfect display I sonly guaranteed within a temperature range of -10°C up to +55°C, at relative humidity question <85%.
- Page 4 ACV: +1.5% of reading +5 digit 690VAC Max. measuring current approx. ≤3.0mA 690VDC Max. measuring current approx. ≤2.5mA Voltage detection: automatic Polarity detection: full range Range detection: automatic Response time: Updates 2~3 / sec. ACV Frequency range: 50/60Hz Internal impedance: approx.
- Page 5 Frequency range: 50/60Hz Measurement principle: double-pole and contact electrode Self-check test Auto Operation time 5s<250V AC/DC, Is< = 0.2A(690V)/30s max. Overvoltage protection: 3s<400V AC/690V DC Power supply 2x1.5V “AAA” Batteries Temperature range: -10°C up to +55°C Humidity: max.85% relative humidity Overvoltage class: CATIII -1000V age Tester Description:...
- Page 6 Explanations of Symbols The voltage tester shows the following symbols: DC voltage AC voltage DC voltage negative potential (DC) Phase display from 100 to 690V ~ 50/60Hz when used as a „single-pole“ phase tester. Continuity test symbol Rotating field display clockwise Rotating field display anticlockwise Device for work to be performed with voltage present Battery replacement symbol...
- Page 7 To prevent damage to the device from leaking batteries, remove the batteries from the device if you will not be using it for a longer period. For the same reason, we recommend that you remove flat batteries immediately. Function test / Self test: •...
- Page 8 Thanks to the input impedance of approx. 1MΩ, it is possible to perform voltage tests with high input impedances without time restrictions. The voltage tester also indicates a rotating direction (L or R) with measurements on single-phase mains (L1 against N). This is not a device malfunction. Rotating field direction display The voltage tester can show the direction of the rotating field with three-phase systems.
- Page 9 The „single-pole“ phase display can be adversely affected by unfavourable ambient conditions (electrostatic fields, good insulation etc.). In all cases, conduct an additional, twin-pole voltage test. Maintenance and Disposal Check the technical safety of the voltage tester regularly. It can be assumed that risk-free operation is no longer possible if: •...
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