Philips P817 00/01 Directions For Use Manual Download Page 11 | Manualshive

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Summary of Contents for P817 00/01

Page 1: ...PHILIPS DIRECTIONS FOR USE UNIVERSAL MEASURING INSTRUMENT P 817 00 01 66 580 33 3 120 1 361 ...

Page 2: ... Direct voltage 6 B Direct Current 6 C Alternating voltage 7 D Alternating Current 7 E Resistance 7 Db Scale 7 REPLACEMENT OF BATTERIES 8 SOME EXAMPLES OF MEASUREMENTS 8 A Direct voltage measurements 8 B D C Measurements 8 C A C Measurements 9 METER CIRCUITS FOR THE VARIOUS MEASURING RANGES 9 CIRCUIT DIAGRAMS 10 RECOMMENDED BATTERIES 11 ...

Page 3: ...e at page 4 apply to full deflection at less deflection these values are proportionally lower All current and voltage scales are linear For alternating current and alternating voltage measurements the reading remains accurate throughout the frequency range 30 10 000 c s with the exception of the measuring range of 1200 V for which the upper accuracy limit lies at 5 000 c s The A C and alternating ...

Page 4: ...00 Ω V I 0 30 µA Any position 60 mV AV 60 mV 0 120 µA 0 600 µA 0 6 mA 0 60 mA 0 600 Ma 0 3 A 0 12 mA 0 6 mA 6 mA 60 mA 600 mA 3 A 285 mV 345 mV 360 mV 360 mV 400 mV 580 mV V 0 3V 0 12 V 0 30 V 0 120 V 0 300 V 0 1200 V 3 V 12 V 30 V 120 V 300 V 1200 V AV 5 Ma 600 µA 1666 Ω V I 0 600 µA 0 6 mA 0 60 mA 0 600 mA 0 3 A 0 6 mA 6 mA 60 mA 600 mA 3 A AV R 0 1000 Ω 0 100 kΩ 0 10 MΩ Any position X 1 Ω X 100...

Page 5: ...es which may affect the position of the pointer and attract dust This side of the window must not be rubbed with a cloth or anything similar since otherwise the inside will become dull and the antistatic effect will be lost OPERATION The position of knobs and sockets is shown in Fig 1 ZERO SETTING Before starting measurements it is recommended to check and if necessary to correct the zero settings...

Page 6: ...mage to the meter due to the selection of too low a range and connect the measuring leads to the sockets and 3 Subsequently connect the measuring leads to the current circuit to be measured and then set knob Sk1 in that measuring position that is most suitable to provide an accurate reading of the current in question If the direct current has a value of maximum 30 µA knob Sk2 may be put in positio...

Page 7: ...ecessary correct with knob R if it is found impossible to adjust the indicator to 0 Ω this means that the batteries are runned down and have to be replaced see under REPLACEMENT OF BATTERIES 4 Now connect the ends of the measuring leads to the resistor to be measured 5 After switching over to another resistance range the measuring leads must always be short circuited and the indicator set to exact...

Page 8: ...nnected to the negative pole of the voltage The measuring probe at the positive side of the meter is brought into contact with the points to be measured e g with the electrodes of the valves anode and screen grid voltages or with the electrolytic capacitors in the smoothing circuit B D C Measurements The anode current of an output valve can be measured very conveniently by placing the two probes o...

Page 9: ...he power consumption in watts is then found by multiplying the measured current by the voltage provided that the apparatus presents an ohmic resistance Where transformers are concerned there is always a self inductance so that the number of VA has to be multiplied by the power factor cosφ which as a rule amounts to 0 80 0 85 for radio receivers METER CIRCUITS FOR THE VARIOUS MEASURING RANGES In th...

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