There is a hairline crack in glass panel. You can see in photo. It does not effect performance. Meter is still under factory seal.

Vintage Soviet Russian Ussr Combined Electrical Analogue Instrument 43102

is designed to measure DC voltage, rms AC voltage sine wave, DC resistance, speed of the crankshaft of the engine, including engines with non-contact ignition system, and the angle of the closed state of the breaker contacts four-, six-and eight-cylinder engines with electric 12V and negative polarity of the "masses".

 

Specifications: Electrical appliances combined analog devices 43102:

 

The limits of the scale (initial and final values ??of the measuring range) limits. Allowed values ??of the basic errors of the device in normal conditions of use (Table 2), the values ??of current consumption device correspond to the values ??specified in Table 1;

 

Table 1: Values ??of the combined unit of consumed electrical analog device current 43102

Measurand	Measuring range (initial and final value)	Maximum permissible inaccuracy	Consumption of no more than
Direct current voltage	0V-2V, 0V-20V, 0V-40V	± 1,5%	0.105 mA
AC voltage	60V-400V	± 2,5%	0.510 mA
DC Resistance	0 k = 0, 1 k, 0 k, 100 k	± 2,5%	0.16 mA
Rotational speed of the engine crankshaft	0min 1500min -1, -1, -1 0min-9000min -1	± 2,5%	15mA
The angle of the closed state of the breaker contacts	0 º -45 º, 0 º -60 º, 0 º -90 º	± 2,5%	15mA

 

Table 2 Limits. Allowed values ??of the basic errors of the combined unit of electrical analogue instrument 43102 in normal conditions of use

Influence quantity	Average value (range)
AMBIENT TEMPERATURE	20 º C ± 5 º C
Regulations	Horizontal ± 2 º
The orientation of the device (relative to Earth's magnetic field)	any
An external magnetic field	Geomagnetic field
An external electric field	The virtual absence of
Relative air humidity :	30% -80%
Atmospheric pressure	84kPa-106, 7kPa (630mm.rt.st.-802mm.rt.st.)
Frequency of measured voltage	45Hz-65Hz
The shape of the measured AC	Sinusoidal with THD less than 2%
Power supply circuit ohmmeter	1.35 In-1 65V
The power supply voltage measuring circuit speed of the engine crankshaft and the angle of the closed state of the breaker contacts	10.8 V-15, 0V
Ferromagnetic ground	-
The coefficient of the variable component of the DC voltage	no more than 3%

 

The limits of acceptable basic and additional errors in the combined unit of electrical analogue instrument 43102 expressed in the form of error given by the formula:

 

? = ± ((100 ? ?) / X)

 

where ? - the absolute error, X - normalizing value.

Normalizing values ??are given in determining the errors are:

- When measuring DC and AC current, frequency, engine speed and the angle of the closed state of the breaker contacts - a finite value of the measurement range;

- When measuring the DC resistance - the entire length of the scale, with a minimum of:

- 46mm - for measuring range 0 k, 100 k;

- 54mm - for measuring range 0 MW-100 MW;

The limits of permissible values ??of the combined instrument additional errors electrical analogue instrument 43102 due to the slope of the device by 10 ° in any direction from the changes of ambient temperature for each 10 ° C does not exceed the limit of acceptable basic error;

 

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