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P3245-1M
Multimeter digital, True RMS
User Manual
February 2020 edition V1.0.5
Copyright © by Fruhmann GmbH, Austria. All rights reserved.
The information in this manual was correct at the time of printing. However, Fruhmann GmbH
will continue to improve products and reserves the rights to change specification at any time
without notice.
is the registered trademark of the Fruhmann GmbH in Austria.
Fruhmann GmbH, NTL Manufacturer & Wholesaler
Katharinenweg 3
7372 Karl
Austria
Tel: +43 2617 20278
Fax: +43 2617 20278 4
Web:
www.ntl.at
E-mail: office@ntl.at
i
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Summary of Contents for NTL P3245-1M
- Page 1 The information in this manual was correct at the time of printing. However, Fruhmann GmbH will continue to improve products and reserves the rights to change specification at any time without notice. is the registered trademark of the Fruhmann GmbH in Austria. Fruhmann GmbH, NTL Manufacturer & Wholesaler Katharinenweg 3 7372 Karl Austria...
- Page 2 Parts, modules and replacement products used by NTL for warranty work may be new or reconditioned like new performance. In order to obtain service under this warranty, the Customer must notify NTL of the defect before the expiration of the warranty period. The Customer shall be responsible for packaging and shipping the defective product to the service center designated by NTL, and with a copy of customer proof of purchase.
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Page 3: Table Of Contents
Table of Contents 1.Safety Information ....................1 Safety Considerations ......................1 Measurement Category ...................... 3 Safety Terms and Symbols ....................4 2.Quick Start ........................ 5 General Inspection ......................5 Install/Change the Battery The multimeter is powered by a 9V (6F22) battery....6 Adjusting the Tilt Stand ....................... - Page 4 3.Making Measurements .................... 15 Measuring AC or DC Voltage ....................15 Measuring Resistance ......................15 Testing for Continuity ......................16 Testing Diodes ........................16 Measuring Capacitance ...................... 16 Measuring Frequency ......................17 Measuring Temperature ....................17 Non-Contact Voltage Detector (NCV) .................. 17 Measuring DC or AC Current ....................
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Page 5: Safety Information
P3245-1M Multimeter digital, True RMS 1. Safety Information Safety Considerations Before any operations, please read the following safety precautions to avoid any possible bodily injury and prevent damage to this product or any other products connected. To avoid any contingent danger, use this product only as specified. - Page 6 P3245-1M Multimeter digital, True RMS When servicing the multimeter, use only the specified replacement parts. Use caution when working above 60 V DC, 30 V AC RMS, or 42.4 V peak. Such voltages pose a shock hazard. When using the test leads, keep your fingers behind the finger guards on the test ...
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Page 7: Measurement Category
P3245-1M Multimeter digital, True RMS Measurement Category The multimeter has a safety rating of 1000 V, CAT III and 600 V, CAT IV. Measurement category definition Measurement CAT I applies to measurements performed on circuits not directly connected to the AC mains. Examples are measurements on circuits not derived from the AC mains and specially protected (internal) mains- derived circuits. -
Page 8: Safety Terms And Symbols
P3245-1M Multimeter digital, True RMS Safety Terms and Symbols Safety Terms Terms in this Manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in personal injury or death. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property. -
Page 9: Quick Start
If it is found that there is damage to the appearance of the instrument, or the instrument does not work normally, or fails in the performance test, please get in touch with the NTL distributor responsible for your area. If there is damage to the instrument caused by the transportation, please keep the package. Immediately inform the supplier (NTL distributor). -
Page 10: Install/Change The Battery The Multimeter Is Powered By A 9V (6F22) Battery
P3245-1M Multimeter digital, True RMS Install/Change the Battery The multimeter is powered by a 9V (6F22) battery. Warning: To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the low battery indicator appears. -
Page 11: Adjusting The Tilt Stand
P3245-1M Multimeter digital, True RMS Adjusting the Tilt Stand Pull the tilt stand outward to its maximum reach (about 70° to the meter body). Power On/Off (1) To power ON the multimeter, turn the rotary switch to any other position except (2) To power OFF the multimeter, turn the rotary switch to the position. -
Page 12: Lcd Backlight And Flashlight
P3245-1M Multimeter digital, True RMS LCD Backlight and Flashlight To implement the test among darkness, you can activate the LCD backlight and flashlight by pressing for more than 2 seconds. The backlight and flashlight will last for one minute. To turn off manually, pressing for more than 2 seconds. -
Page 13: Multimeter In Brief
P3245-1M Multimeter digital, True RMS Multimeter in Brief Front panel Figure 2-1 Front panel overview... -
Page 14: Rotary Switch
P3245-1M Multimeter digital, True RMS Description Details ① Display screen Page 12 ② Keypad Page 11 ③ Rotary switch Page 10 ④ Input terminals Page 13 ⑤ LED indicator ⑥ Non-contact voltage detector (NCV) Page 17 ⑦ Flashlight Page 8... -
Page 15: Keypad
P3245-1M Multimeter digital, True RMS Keypad Description Details Select DC or AC Select Resistance/Continuity /Diode Auto/Manual range Page 8 Backlight & Flashlight Page 8 Data Hold Page 19 Select frequency/duty cycle Page 17 Measuring frequency in AC voltage/current mode Relative Measurements... -
Page 16: Display Screen
P3245-1M Multimeter digital, True RMS Display screen Figure 2-2 Display screen Symbol Description Details Auto range Page 8 Data hold enabled Page 19 Relative enabled Page 19 Diode test selected Page 16 Continuity test selected Page 16 Page 15, 18... -
Page 17: Input Terminals
P3245-1M Multimeter digital, True RMS Measurement units Sign Description Mega 1E+06 (1 000 000) kilo 1E+03 (1 000) milli 1E–03 (0.001) micro 1E–06 (0.000 001) nano 1E–09 (0.000 000 001) Sign Description Measurement type °C Degree Celsius Temperature °F... -
Page 18: Overload Protection
P3245-1M Multimeter digital, True RMS Rotary switch Input terminals Overload protection position 750 VAC/1000 VDC 250 VAC/300 VDC 1 A/1000 V, fast acting (order no. DG401-00) 15 A/1000 V, fast acting (order no. DG415-00) Internal resistances ≥10 MΩ about 10 MΩ... -
Page 19: Making Measurements
P3245-1M Multimeter digital, True RMS 3. Making Measurements Measuring AC or DC Voltage Warning: Do not measure any voltage of over 1000 VDC or 750 VAC rms to avoid instrument damage or electric shock. Do not apply more than 1000 VDC or 750 VAC rms between the common terminal and the earth ground to avoid instrument damage or electric shock. -
Page 20: Testing For Continuity
P3245-1M Multimeter digital, True RMS Testing for Continuity Caution: To avoid possible damage to your multimeter or to the equipment under test, disconnect the circuit power and discharge all high-voltage capacitors before testing for continuity. (1) Rotate the rotary switch to . -
Page 21: Measuring Frequency
P3245-1M Multimeter digital, True RMS (2) Connect the black test lead to the terminal and the red test lead to the terminal. (3) Probe the test points and read the display. Measuring Frequency (1) Rotate the rotary switch to (2) Connect the black test lead to the terminal and the red test lead to the terminal. -
Page 22: Measuring Dc Or Ac Current
P3245-1M Multimeter digital, True RMS (1) Rotate the rotary switch to Test the NCV function on a known live circuit before use. (3) Place the top of the meter very close to the voltage source as shown in the figure. -
Page 23: Multimeter Features
P3245-1M Multimeter digital, True RMS 4. Multimeter Features Data Hold Mode (1) Press to freeze the display during measurement, will be shown on the display. (2) Press again to exit this mode. Making Relative Measurements When making relative measurements, reading is the difference between a stored reference value and the input signal. -
Page 24: Technical Specifications
P3245-1M Multimeter digital, True RMS 5. Technical Specifications The accuracies indicated in the table below are related to standard conditions of 18 … 28 ℃ and a relative humidity of less than 80%. Resolu- Function Measurement Range Accuracy tion 60.00mV/600.0mV 0.01mV... -
Page 25: Continuity Test
P3245-1M Multimeter digital, True RMS When measuring current, for 10 A to 15 A, the measuring duration should not be over 2 minutes within 10 minutes, and in these 10 minutes, no other current should flow through except within the measuring duration; for 15 A to 20 A, the measuring duration should not be over 10 seconds within 15 minutes, and in these 15 minutes, no other current should flow through except within the measuring duration. -
Page 26: Appendix
P3245-1M Multimeter digital, True RMS Appendix A: Enclosure Standard Accessories: Test lead K-type Manual 9V battery Bolt driver Thermo- (6F22) for changing couple the fuse Appendix B: General Care and Cleaning Warning: To avoid electrical shock or damage to the multimeter, ensure that the insides of the casing stay dry at all times. -
Page 27: Appendix C: Changing The Fuse
P3245-1M Multimeter digital, True RMS Appendix C: Changing the fuse Warning: To avoid electrical shock or damage to the multimeter, ensure that the insides of the casing stay dry at all times. Change the fuse: To change the fuse, perform the following steps: 1. - Page 28 P3245-1M Multimeter digital, True RMS P3245-1M Multimeter digital, True RMS is the registered trademark of the Fruhmann GmbH in Austria. Fruhmann GmbH, NTL Manufacturer & Wholesaler Katharinenweg 3 7372 Karl Austria Tel: +43 2617 20278 Fax: +43 2617 20278 4 Web: www.ntl.at...
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