Philips PM2505 User Manual
Contents
1. MULTIMETER analog Click here to go to UPSCALE home page Click here to go to I Year Lab home page You can jump directly to a section of this specification sheet by selecting an item below and clicking the left button e Description of Apparatus e Apparatus Specifications e Instructions for use of Apparatus MULTIMETER analog Manufacturer Philips Netherlands Model PM 2505 Cost 285 1986 Description Versatile meter capable of measuring direct and alternating voltage on scales from 0 1 1000 V direct and alternating current on scales from 1 uA 10 A resistance on 7 scales with midpoints 50 Ohms 15 Meg Ohms http 128 100 86 86 specs pm2505 html 1 of 4 25 01 10 8 50 28 PM MULTIMETER analog Specifications Click here to go to the top of this page http 128 100 86 86 specs pm2505 html 2 of 4 25 01 10 8 50 28 PM MULTIMETER analog Operating Instructions 1 Look to insure that the meter is at zero when turned off If not inform your Demonstrator 2 Check the batteries o Switch the upper right switch to the position labelled approximately Turn the rotary knob to the position labelled BATT Turn the meter on with the switch on the lower right of the instrument The meter should be in the Batt region If not see your Demonstrator Turn the rotary knob to the position with the picture of a loudspeaker and a label BATT o The meter should still be in the Batt regi2. een readings e Do not attempt resistance measurements in active circuits power on http 128 100 86 86 specs pm2505 html 3 of 4 25 01 10 8 50 28 PM MULTIMETER analog Click here to go to the top of this page keywords ohmeter ammeter voltmeter resistance measurement device current measurement device electrical measurement device voltage measurement device Document created circa 1986 Original author Unknown Last updated 08 01 96 Revised by David Harrison and Jaime Espinoza http 128 100 86 86 specs pm2505 html 4 of 4 25 01 10 8 50 28 PM
3. on If not see your Demonstrator o Turn the instrument off with the switch on the lower right of the instrument 3 The desired meter function is selected by the switch on the upper right and the connections made to the meter on the left side of the case The input labelled 0 is always connected and is ground For voltage or resistance measurements the other lead is inserted in the input labelled with V and the Greek letter Omega for currents up to 300 mA the second lead is connected to the input labelled uA mA for currents greater than 300 mA the second lead is connected to the input labelled A 4 Rotate the dial to the highest possible scale for the measurement 5 For resistance measurements switch the upper right selector to the position labelled with the Greek letter Omega and turn the instrument on 6 For voltage or current measurements select AC or DC by switching the upper right selector to the positions labelled approximately or respectively Then turn the instrument on 7 Rotate the knob to increase the sensitivity until you get the maximum possible deflection without going off the scale 8 Multiply reading by the appropriate decade factor determine polarity on the polarity meter The red probe is at a positive potential with respect to the black probe when the polarity is indicated as O 0 0 O Precautions A e Beware of improper probe insertion e Remember to turn off after using but not betw
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