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Digital Mains Frequency Indicator      Model: MFM - 4   Frequency Instruments *  Range 45.00 to 99.99 Hz with ± 0.01 Hz Accuracy *  1 Second Display up-Date *  PLL Technique for Frequency Multiplication. *  Quartz-Crystal Time-Base *  Indicator / Trip Unit SALIENT FEATURES * Indicator * Digital Display SPECIFICATIONS 1.  Range       45.00 Hz to 99.99 Hz 2.  Resolution 0.01 Hz 3.  Time-Base Quartz-crystal 4.  Accuracy ± 0.01 Hz 5.  Display 4 Digit, 0.5" ht., red LED 6.  Display Up-date Rate 1 Second 7.  No. of Limits NA 8.  Output NA 9. Output Logic NA 10.Mode of setting NA 11. Supply Voltage 230 VAC ± 10% 12. Dimensions (in mm) 72(H) X 72(W) X 110(D) 13. Mounting (panel cut-out in mm) 68 X 68   14. Options Other voltages like 12 / 24/ 110 / 440 / 1100  VAC  Other DIN size cabinet of 48 (H) X 96(W) X 180 (D) mm with panel cut-out of 44 X 92 mm

Digital Mains Frequency Trip Unit      Model: MFC - 44

 

Frequency Instruments *  Range 45.00 to 99.99 Hz with ± 0.01 Hz Accuracy *  1 Second Display up-Date *  PLL Technique for Frequency Multiplication. *  Quartz-Crystal Time-Base *  Indicator / Trip Unit
SALIENT FEATURES	* Indicator with Upper and Lower Trip Limits * Digital Display
SPECIFICATIONS 1.  Range	45.00 Hz to 99.99 Hz
2.  Resolution	0.01 Hz
3.  Time-Base	Quartz-crystal
4.  Accuracy	± 0.01 Hz
5.  Display	4 Digit, 0.5" ht., red LED
6.  Display Up-date Rate	1 Second
7.  No. of Limits	2
8.  Output	NO / NC relay contacts rates at 6A / 230 VAC (resistive) for each limit
9. Output Logic	High & Low frequency tripping
10.Mode of setting	By 4 digit Thumbwheel switches on front panel for each limit
11. Supply Voltage	230 VAC ± 10%
12. Dimensions (in mm)	96(H) X 96(W) X 150(D)
13. Mounting (panel cut-out in mm)	92 X 92
14. Options	Other voltages like 12 / 24/ 110 / 440 / 1100  VAC

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