True rms 300a ac mini clamp meter with non-contact voltage detector (12 pages)
Summary of Contents for Extech Instruments MF100
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USER GUIDE AC/DC Magnetic Meter Model MF100 ...
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EXTECH INSTRUMENTS Introduction Thank you for selecting the Extech Instruments Model MF100. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version of this User Guide, Product Updates, and Customer Support. Features DC and AC magnetic field measurements North and South pole indication Automatic temperature compensation Zero button for DC, AC magnetic function Separate probe for remote measurements High accuracy Advanced functionality with programmable user Settings Ideal for a variety of laboratory and field uses ...
EXTECH INSTRUMENTS Safety International Safety Symbols This symbol indicates the user must refer to the manual for further information. Double insulation Safety Notes Remove the battery if the device is to be stored for longer than 60 days. Never dispose of batteries in a fire. Batteries may explode or leak. Cautions Read and understand this user manual before operating the meter. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. MF100‐en‐GB_V1.7 9/15 ...
Reset Button (right side of meter; not pictured below): Press to restore the meter to factory default conditions. If the meter becomes unresponsive use the reset button to restore the meter. 1 2 3 Fig. 4 – Button Description MF100‐en‐GB_V1.7 9/15 ...
EXTECH INSTRUMENTS Operation AC/DC Magnetic Field Measurement Press and hold the POWER button for at least 2 seconds to switch the meter ON. Use the MODE button to scroll through the following screens in sequence: Under G unit Under mT unit N(S) N(S) N(S) N(S) Fig. 5 – Programming screens Each screen represents the resolution for the respective unit of measure: a1 screen for 0.1 mT DC resolution measurements b1 screen for 0.01 mT DC resolution measurements c1 screen for 0.1 mT AC resolution measurements d1 screen for 0.01 mT AC resolution measurements a2 screen for 1 G DC resolution measurements b2 screen for 0.1 G DC resolution measurements c2 screen for 1 G AC resolution measurements d2 screen for 0.1 G AC resolution measurements MF100‐en‐GB_V1.7 9/15 ...
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Fig. 6 – Touching Probe to Test Material Note: When the meter is powered ON, the display may show a non‐zero value (because of environmental interference). Before taking a measurement press the ZERO button to null the display. Data Hold During measurements, press the HOLD button and the measured value will be held (the LCD will display HOLD). Press the HOLD button again to exit the data hold function. Data Recording (Maximum and Minimum Reading) Press the REC button to start the data recording function. The LCD will display REC. Press the REC button again and REC MAX along with the maximum reading recorded will appear on the LCD. Press the REC button again to display the minimum value (the LCD will display REC MIN). To exit the data recording function, press and hold the REC button for two seconds. The meter will return to the normal mode of operation. Note: When making DC magnetic field measurements while the RECORD function is active, the user cannot change from North to South pole or vice versa. MF100‐en‐GB_V1.7 9/15 ...
EXTECH INSTRUMENTS User Settings Press and hold the SET button for two seconds to enter the advanced settings mode. Press the SET button to cycle through the three main functions: POFF Auto power OFF management CLr Factory‐only diagnostic function UNIt Select the magnetic field units (mT or G) Note: After 7 to 10 seconds the meter will return to the normal operating mode. (POFF) Auto Power OFF The MF100 uses an Auto Power OFF utility to switch the meter off automatically in order to conserve battery energy. This feature can be enabled or disabled: In the Advanced Settings mode, when the LCD displays POFF, press the REC button Use the Zero and Mode buttons to select YES or NO Selecting YES enables the Auto Power OFF feature Selecting NO disables the Auto Power OFF feature (user will then have to switch off manually) Press the REC button to save the setting (UNiT) Selecting Units of Magnetic Field In the User Settings mode when the LCD displays UNIT, press the REC button Use the ZERO or MODE button to select mT or G Select mT for milliTesla units Select G for Gauss units Press REC to save the selection ...
Remove the Phillips screw from the battery compartment on the rear of the meter. Remove and safely place the battery compartment and screw where they will not be damaged or lost. Replace the 9V battery observing correct polarity. Replace the battery compartment cover with the Phillips screw. Note: The meter can also obtain power from the DC 9V Power Adapter. The meter will be permanently powered ON when the adapter is used (the power button is disabled). All EU users are legally bound by the battery ordinance to return all used batteries to collection points in the community or wherever batteries / accumulators are sold! Disposal in the household garbage is prohibited! MF100‐en‐GB_V1.7 9/15 ...
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