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Measuring Instruments |
V.T.V.M (Vacuum Tube Voltmeter VM-10) :
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| Specification |
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| AC Voltage |
0-1.5,5, 15,50,150,500,1500volts |
| DC Voltage |
0-1.5,5,15,50,150,500,1500volts |
| Resistance |
0-1k, 10k, 100k, 1M, 10M, 100M, 1000meg.ohms. |
| Calibration Accuracy |
AC Voltage ±4% on all ranges.
DC Voltage ± 3% on all ranges.
Resistance within ±2% on all ranges. |
| Frequency Response |
Within range of 50c/s to 5Mc/s flat. |
| Input Impedance |
DC Voltage 11M ohms on all ranges for AC
voltages 5M
Ohms in Parallel with 25P.F. |
| Meter |
Using 80mm Diameter |
| Source of Supply |
230volts 50c/s AC. |
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Fet Multimeter (IN LIEU OF V.T.V.M.) :
(ZES-22) |
| Specification |
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| Input |
230volts |
| Input Impedance |
10Megohms |
| Range AC/DC 0-1500 Volts in seven range. Accuracy ± 3% |
| (a) 0-1.5volts |
| (b) 0-5volts |
| (c) 0-15volts |
| (d) 0-50volts |
| (e) 0-150volts |
| (f) 0-500votls |
| (g) 0-1500volts |
| Resistance |
up to 1000 Mega ohms. |
Input Impedance
10Megohms
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(ZES-23)
This instrument is designed to measure the frequency of Oscillators. It has six set
of coils.
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(1) 100Kc/s-300Kc/s
(2) 300Kc/s-1Mc/s
(3) 1M/c-3Mc/s
(4) 3Mc/s-10Mc/s
(5) 10Mc/s-30Mc/s
(6) 30Mc/s-100Mc/s |
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| Input |
230volts AC 50Hz |
| Range |
0-.5watts, 0-5watts, 0-50watts. |
| Load Resistance |
4,8 and 15 ohms |
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