Indicating instrument M1850.1 (M -1850.1, M 1850.1, m1850.1, m-1850.1, m 1850.1)
Indicating instrument M1850.1 included tachometer K1803.1 device designed for remote measurements of the speed and the direction of rotation shaft diameters from 20mm to 1125mm main marine engines.
Class of accuracy:
- 1.0 - Operation with reversing rollers;
- 1.0 - for units with zero within the range of measurement;
- 1.5 - for units with a leading zero.
Technical characteristics of the devices indicating instrument M1850.1 :
Indicating instrument M1850.1 a general climatic performance of "0";
Range measurement device K1803.1 tachometer and the number of rotor teeth, depending on the diameter of the shaft are shown in Table. 1;
Standard signal outputs on the analog tachometer output K1803.1 proportional to the speed of shafts;
Limits of voltage output:
- From 0V to +10 V - Operation tachometer combi rollers;
- From-10V to +10 V - Operation tachometer with reversing rollers;
Voltage output signals tachometer K1803.1 corresponding scale value - 10V;
Load resistance - from 2 ohms to 2 megohms;
Power supply unit is showing M1850.1 AC 220V, 50 Hz or 400 Hz with harmonics ratio not exceeding 10%;
Power consumption does not exceed 20 V ∙ A;
Table 1 Measurement range and the number of rotor teeth according to the diameter of the shaft
Note. At special request can be made tachometers to other ranges of indications, including those marked with an asterisk.
Overall dimensions of the device showing the device M1850.1 - 200x200x145mm, weight 3.5 kg;
Complies with GOST indicating instrument M1850.1.