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M1733

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Megaohmmeter M1733 (M-1733, M 1733, m-1733, m1733, m 1733)

    It is intended for continuous measurement of the insulation resistance networks AC energized, de-energized networks AC and DC (megohm meter when power from the auxiliary source) and also for signaling the measured values of the output of the specified values.
Range 0-5MOm
Rated voltage 127V, 220V or 380V.
The normal frequency range 50-500Hz.
 
Megaohmmeter M1733 shield low profile shock-resistant, vibration-and shock-resistant rectifier system with a light indicator is designed for continuous measurement of insulation resistance of AC networks, energized, de-energized network of direct and alternating current (power megohms meters from the auxiliary power), as well as for signaling the output of the measured value of the specified field values.
Megaohmmeter M1733 can work complete with a regulating device whose input is consistent with the parameters of photoresists. Megaohmmeter M1733 depending on the destination are manufactured in five variants. Modifications and design features Megaohmmeter given in Table 1.

Table 1
Appointment Modification Design feature
Indicative M1733A, M1733AT, M1733AT2 -
Indicating and signaling M1733S, M1733ST, M1733ST2 Signaling device with color filter
Showing that signals
and a contact
Exit signals measured value in both region specified values ​​to the right and to the left (on the scale of the instrument)
M1733K, M1733KT, M1733KT2 The unit with the help signal filters and photo-resistors. External executive and signaling devices that are connected to the photo-contact device to device modifications, CP and TC, the valleys have a protection against false positives by rapid changes in the measured value, for example, on delay of at least 1 s.
Exit signals measured value of the specified field values ​​to the right (on the scale of the instrument) M1733KP, M1733KPT, M1733KPT2  
Exit signals measured value in both region specified values ​​to the left (but the scale of the device) M1733KL, M1733KLT, M1733KLT2  

Megaohmmeter M1733 is designed for operation at ambient temperatures from minus 30 to plus 50 ° C and relative humidity up to 100% at 35 ° C.
Megaohmmeter M1733, manufactured in the tropical version, designed to operate in ambient temperatures from minus 10 to plus 45 ° C and relative humidity up to 100% at 35 ° C and has the designation M1733 T2.
Measuring range Megger 0-5 MW.
Rated voltage controlled network and power supply 127, 220 or 380.
The normal frequency range controlled by the network and the power supply of 50-500 Hz.
The output voltage of the auxiliary R1823 (250 + 2.5) V.
Power consumption 7 VA.
Internal resistance megger at least 240 kW.
Maximum permissible error is ± 2,5%.
The limit of additional error M1733 caused by: changes in ambient temperature of (20 ± 5) ° C to any temperature within the range of minus 30 to plus 50 ° C for every 10 ° C change "is ± 2% voltage deviation ± 15% of nominal, equal to ± 2,5%; influence of external magnetic fields with induction of 0.5 mT is ± 1% change in the position indicating device from the normal 45 ° in any direction must be equal to ± 1%.
Primary and secondary error M1733 are expressed in percentage of the length of the scale corresponding to the measuring range. Response time is less than 3 seconds. Warm-up time 15 min.
Isolation voltage between the measuring circuit indicating device and the body, respectively, the power supply circuit illuminator chain contact device, as well as between the electrical circuit and the housing of additional devices - 2 kV at a temperature of (20 ± 5) ° C and a humidity of 80%.
The length of the scale, corresponding to the measuring range - 105 mm. The limit of permissible error of the contact device Megger M1733 modifications to; CP and TC is ± 4% of the length of the scale.
To determine the error of the photocontact device is measured on a scale interval between the position of the light pointer device when the measured value corresponding to the level of the scale on which you place the pointer contact device (edge ​​filter), and the position of the light pointer at the time of activation. The resulting length of the interval is expressed as a percentage of the length of the scale corresponding to the measuring range.
The light source used incandescent 0P6-3-B5 with the focusing cap (6.7 V, 3.5 W).
Output current photoresists in the meter M1733 modifications K, CP and TC, 30mA (max) in the dark state, and 250 mA (at least) in a light state when powered from a voltage source of 12V.
The scope of the position indication filters and indexes contact device are shown in Table 2. Dimensions and weight of the decree. Table 3.
 
Table 2
Modification
Scope pointer% of the length of the scale
Left filter right filter
M1733S, M1733ST, M1733ST2 0-90 20-90
M1733K, M1733KT, M1733KT2 0-85 20-90
M1733KP, M1733KPT, M1733KPT2 - 10-95
M1733KL, M1733KLT, M1733KLT2 0-90  


Table 3

Overall dimensions:
indicating device 160x30x272, 5
additional devices 110x155x95
Weight, kg, not more than:
indicating device 1.5
additional devices 1.7

Photos M1733

M1733 device image with the addition R1823.1/1.
M1733 device image with the addition R1823.1/1.
M1733 front view (scale).
M1733 front view (scale).
M1733 side view (casing depth).
M1733 side view (casing depth).
M1733 rear view (connection).
M1733 rear view (connection).
M1733 side view (casing depth).
M1733 side view (casing depth).
R1823.1/1 (P1823.1/1) additional device image.
R1823.1/1 (P1823.1/1) additional device image.
R1823.1/1 (P1823.1/1) additional device front view.
R1823.1/1 (P1823.1/1) additional device front view.
R1823.1/1 (P1823.1/1) additional device side view.
R1823.1/1 (P1823.1/1) additional device side view.
R1823.1/1 (P1823.1/1) additional device rear view.
R1823.1/1 (P1823.1/1) additional device rear view.
R1823.1/1 (P1823.1/1) additional device overhead view.
R1823.1/1 (P1823.1/1) additional device overhead view.


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