Vacuum gauge VMT-001

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Product Description

The vacuum gauge allows:

  • To refuse from complex inconvenient graphic graduated characteristics
  • To automate process of measurement of pressure and maintenance of operating modes of converters
  • To store settings of channels of blocking at switching-off of supply voltage
  • To carry out self-testing of the vacuum gauge.

Provides:

  • Digital display of measured pressure in terms of Pa
  • Indication of operating modes and a state of blocking on all channels
  • Output of the measuring information in an analog kind (0-10) and in a digital kind on RS-232S interface
  • Has its own overview display scale

Vacuum gauge VMT-001 consists of the measuring block and converters of pressure such as PMT-6-3 (2 pieces) and PММ-32-1 type

THE BASIC TECHNICAL DATA AND CHARACTERISTICS

1. The Vacuum gauge provides measurement of pressure in a range from 1,0 × 10 -7 up to 4,0 × 10 3 Pа:

On channel ” MD “
Range of measurement of pressure from 1,0 × 10 -7 up to 1,3 Pа;
Range of voltage of an analog output from 0 up to 10 V;

 

On channels ” ТR1 ” and “ТR2”
Range of measurement of pressure from 1,3 up to 4,0 × 10 3 Pа;
Range of voltage of an analog output from 1,172 to 9,172 V.

2. Limits of an admitted basic relative error of measurement of vacuum gauge pressure on dry air or nitrogen are equal to:

On channel ” MD “
In a range from 1,0 × 10 -7 up to 1,0 × 10 -1 Па from – 40 % up to 60 %;
In a range from 1,0 × 10 -1 up to 1,3 Pа from – 50 % up to 100 %;
At temperature PММ-32-1 (200 ± 10) oС
In a range from 1,0 × 10 -5 up to 1,0 × 10 -1 from – 45 % up to 120 %;

 

On channels ” ТR1 ” and “ТR2”
In a range from 1,3 up to 4,0 × 10 3 from – 40 % up to 60 %.

3. The Vacuum gauge should provide switching-on and switching-off of six channels of blocking on the set pressure in a range from 1,0 × 10 -7 up to 4,0 х 10 3 Pа.
As a switching element,of the channel of blocking of electric circuits of external executive devices, the relay such as REК23 with the maximal switched direct current, no more, than 0,1 is used with the voltage of 36 V .

4. The Vacuum gauge has a range of indications of pressure on channels ” ТR1 ” и “ТR2” from 1,0 × 10 -1 up to 1,3 Pа and from 4,0 × 10 3 Pа up to 1,0 × 10 5 Pа.

5. The Vacuum gauge provides operation of the light signal system FAILURE on channel ” ТR1 ” и “ТR2” at breakage of a thread of converter PMT-6-3.

6. The Vacuum gauge provides operation of the light signal system FAILURE on channel ” МР ” at supplying from the converter of pressure PММ-32-1 to the measuring unit a current less than (0,3 ± 0,1) × 10-9 A.

7. Time of settings of an operating mode of the vacuum gauge, no more, than 15 minutes.

8. The Vacuum gauge provides continuous work during 24 hours.

9. Electric capacity consumed by the vacuum gauge, no more, than 60WtхА.

10. Weight of the vacuum gauge, no more, than 11 kg.

11. Overall dimensions of the block of the measuring vacuum gauge, no more, than 213 mm × 132 mm × 450 mm.

12. Resistance between a clip of protective grounding of a network plug, a clip of measuring grounding and accessible for access current-carrying parts of the vacuum gauge does not exceed 0,1 Ohm.

13. The Vacuum gauge is three-channel (“МD”, “ТR1”, “ТR2”) three-functional (measurement, indication of pressure and blocking of electric circuits of external executive devices) an under repair product.

14. Average time between failures, not less, than 6500 hours.

15. Average time of restoration of an efficient condition of the vacuum gauge, in conditions of the specialized line fault service, no more than 4 hours.

16. Full average service life of the vacuum gauge, not less, than 10 years.

17. the Full average resource, not less than 16000 hours.

Additional Information

Supply Voltage, V

220

Frequency of a current, Hz

50

Input Phase

1

Pressure sensors type

Pirani pressure sensor, Cold cathode pressure sensor

Pressure measurement range maximum, Pa

4E3

Pressure measurement range minimum, Pa

1E-7

Number of measuring circuits

3

Weight, kg

11

Interface

RS-232S

Output signal

Analog voltage

Relay number

6

Switching voltage, V

36

Relay switching current, A

0,1

Maximum Electrical power consumption, W

60

Applicable pressure sensors

ПММ-32-1, ПМТ-6-3, ПМТ-6-3М-1

Types of files

djvu

Quality

good

ННП “УКРРОСПРИБОР”

ОАО «Selmi»

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