Table of Contents
Related Manuals for EPA LEAKWATCH LW-MZ-50
Summary of Contents for EPA LEAKWATCH LW-MZ-50
- Page 1 Current clamp - LW-MZ-50 for leakage current measurement Instruction manual Measuring range 1 A and 10 A For use with measuring card LW-MK3plus No disconnection of the current path necessary Can also be used with larger cable cross-sections...
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Page 2: Table Of Contents
Instruction manual for current clamp LW-MZ-50 Contents 1.0 Important basic information ............. 1 1.1 Legal notice ......................1 1.2 Target group ......................1 1.3 Liability ........................ 2 1.4 General equal treatment ..................2 1.5 Registered trademark ..................3 1.6 CE mark ......................3 2.0 Symbols ..................... -
Page 3: Important Basic Information
First issue: 07.2015 © EPA GmbH All rights, including photomechanical reproduction and storage in electronic media, are reserved by EPA GmbH. Commercial use or distribution of the texts, models shown, drawings and photos used in this product are not permitted. -
Page 4: Target Group
1.4 General equal treatment EPA GmbH is aware of the importance of language with regard to the equality of all genders and always endeavors to take this into account. Nevertheless, for reasons of better readability, it was necessary to refrain from using differentiating formulations throughout. -
Page 5: Registered Trademark
The unit meets the relevant basic requirements of all applicable EU directives. Thank you for purchasing an EPA LW-MZ-50 current clamp and for the confidence you have placed in us. In order to achieve the best results with your LEAKWATCH measuring and analysis system, please: • Read these operating instructions carefully. -
Page 6: Symbols
Instruction manual for current clamp LW-MZ-50 2.0 Symbols an signal words To indicate hazards and important information, the following symbols and signal words are used in this documentation: Symbol / Meaning signal word Danger Alerts you to a dangerous situation that will result in serious injury or death if not avoided. -
Page 7: Safety Instructions
Instruction manual for current clamp LW-MZ-50 Safety Instructions • Never measure currents above 10 A and – if possible – reduce the measuring time if current peaks exceed 10 A. • Never use the current clamp on non-insulated conductors with a potential of more than 600 V to earth and with an overvoltage category higher than III. - Page 8 Instruction manual for current clamp LW-MZ-50 Dimensions see 8.3 Limit the duration of the measurement for currents between 10 A and 12 A: 15 minutes of operation and then 30 minutes break. Always connect the clamps to the meter first before clamping a conductor.
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Page 9: Technical Data
Instruction manual for current clamp LW-MZ-50 7.0 Technical data • Temperature: -10° ... +50°C • Rel. humidity: 20% ... 75% • The conductor is in the centre of the clamps • Sinusoidal alternating current with: 10 Hz...150 kHz • THD: <... -
Page 10: Dimensions, Weight
Instruction manual for current clamp LW-MZ-50 Maximum current Limit the measuring time for currents over 10 A! Current strength I < 10 A 10 A~ < I < 12 A~ Continuous 15 minutes operation, Operation then 30 minutes break (1) At a frequency FF ≤ 1 kHz Frequencies • Operating range: 10 Hz to 150 kHz (-6 dB between 20 kHz and 150 kHz) -
Page 11: Inspection And Maintenance
Inspection or maintenance of the LW-MZ-50 current clamp may only be carried out by qualified electricians. Modifications to the unit, unless explicitly described in these operating instructions, may only be carried out by EPA or persons authorised by EPA. The accident prevention regulations must be observed. 9.1 Cleaning, care When cleaning, the LW-MZ-50 current clamp must not enclose a conductor and must be disconnected from the measuring device. -
Page 12: Repair
The LW-MZ-50 current clamp can be damaged or destroyed if the instructions are not followed. The housing must not be opened. Repairs may only be carried out by EPA or repair centres authorised by EPA. Unauthorized tampering can lead to property damage. In this case, EPA‘s warranty becomes void. -
Page 13: Notes
Instruction manual for current clamp LW-MZ-50 10.0 Notes www.leakwatch.de... - Page 14 Brands – business names – work titles Company and product names used by EPA are used only for labeling and are mentioned without taking into account any commercial protection right; the lack of the marking of a possibly existent commercial protection right does not mean that the used company and /or product name is available. The EPA logo is a registered trademark for the EPA GmbH.
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