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Summary of Contents for TESTO 755-1
- Page 1 755 · Current/voltage tester Instruction manual...
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Page 2: Table Of Contents
8 Carrying out a test............9 8.1. Preparing the test ..........9 8.2. Voltage testing ..........10 8.3. Single pole phase testing (only testo 755-2) .. 10 8.4. Current measurement ........10 8.5. Continuity/resistance testing ......10 8.6. Rotating magnetic field direction detection (only testo 755-2) .......... -
Page 3: Observe Prior To Use
3 Safety instructions 2 Observe prior to use! • The instruction manual contains information and instructions which are necessary for operating and using the instrument safely. Before using the instrument, read the instruction manual carefully and comply with all aspects of it. Keep this document to hand so that you can refer to it when necessary. -
Page 4: Intended Use
• Current measurement, voltage testing in the AC/DC range of 6 to 600 V (testo 755-1) or 6 to 1000 V (testo 755-2), continuity testing / resistance testing • Only use the instrument within the specified measuring ranges of the... -
Page 5: Technical Data
> 6 V Reading memory (HOLD) testo 755-1: 6 - 600 V AC/DC testo 755-2: 6 - 1000 V AC/DC testo 755-1: > = 630 V AC/DC, LC display Overload indicator shows testo 755-2: > = 1050 V AC/DC, LC display... - Page 6 5 Technical data Feature Values Frequency range 40 to 70 Hz Resolution 0.1 A ± (3% of the display value + 3 digits) Automatic power on > 10 A Overload indicator > = 220 A, LC display shows Measurement CAT III 600 V / CAT IV 300 V category Continuity testing Feature...
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Page 7: Overview
Voltage in V Current in A • Safety extra-low voltage exceeded (> 50 V AC / > 120 V DC) • Single pole phase testing (only testo 755-2): phase detected Ω, Resistance in ohms or kilo-ohms kΩ Continuity Rotating magnetic field direction left or right... -
Page 8: Explanation Of Icons
6 Overview Display Meaning Battery (full / empty) Measuring point illumination, white LED Fork meter for conductor up to 12.9 mm (0.5") in diameter Sensor zone current measurement On the rear: battery compartment and bracket for the probe tips 10 Probe tips, exchangeable (plug-in connection, adhere to polarity: see printing on probe tips and sockets!) 11 Probe tip cable with sockets for probe tips 6.2. -
Page 9: Operating The Instrument
8 Carrying out a test 7 Operating the instrument 7.1. Switching the instrument on > Connect both probe tips or press any button. The instrument is switched on, the LC display shows ---. 7.2. Switching measuring point illumination on/off > To switch on/off: briefly press the button. -
Page 10: Voltage Testing
120 V DC), an acoustic signal is emitted, the red LED comes on and is illuminated in the LC display. 8.3. Single pole phase testing (only testo 755- Single pole phase testing is possible as from AC voltages of approx. 90 V. -
Page 11: Rotating Magnetic Field Direction Detection (Only Testo 755-2)
When operated in accordance with the instruction manual, the instrument does not require any particular maintenance. If a malfunction occurs during operation, the ongoing measurement should be stopped immediately. Send the instrument to Testo Service for checking. 9.3. Storage Storage areas must be dry. -
Page 12: Protecting The Environment
Dispose of faulty rechargeable batteries/spent batteries in accordance with the valid legal specifications. > At the end of its useful life, send the product to the separate collection for electric and electronic devices (observe local regulations) or return the product to Testo for disposal. - Page 14 0970 7550 en 04...
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