Единицы | бар | мм рт.ст. | мм вод.ст. | атм (физич.) | кгс/м2 | кгс/см2 (технич. атм.) | Па | кПа | Мпа |
---|---|---|---|---|---|---|---|---|---|
1 бар | 1 | 750.064 | 10197,16 | 0.986923 | 10.1972 ∙ 103 | 1,01972 | 105 | 100 | 0.1 |
1 мм рт.ст. | 1.33322 ∙10-3 | 1 | 13,5951 | 1.31579 ∙10-3 | 13,5951 | 13.5951 ∙10-3 | 133.322 | 133.322 ∙10-3 | 133.322 ∙10-6 |
1 мм вод.ст. | 98.0665 ∙10-6 | 73.5561 ∙ 10 -3 | 1 | 96.7841 ∙10-6 | 1 | 0.1∙10-3 | 9.80665 | 9.80665 ∙10-3 | 9.80665 ∙10-6 |
1 атм | 1.01325 | 760 | 10.3323 ∙103 | 1 | 10.3323∙ 103 | 1.03323 | 101.325 ∙ 103 | 101.325 | 101.325 ∙10-3 |
1 кгс/м2 | 98,0665 ∙10-6 | 73.5561 ∙ 10 -3 | 1 | 96.7841 ∙10-6 | 1 | 0.1∙10-3 | 9.80665 | 9.80665 ∙10 -3 | 9.80665 ∙10-6 |
1 кгс/см2 | 0,980665 | 735.561 | 10000 | 0.967841 | 10000 | 1 | 98.0665 ∙ 103 | 98.0665 | 98.0665 ∙10-3 |
1 Па | 10 -5 | 7.50064 ∙10-3 | 0,1019716 | 9.86923 ∙10-6 | 101.972 ∙ 10-3 | 10.1972 ∙10-6 | 1 | 10 -3 | 10 -6 |
1 кПа | 0.01 | 7.50064 | 101,9716 | 9.86923 ∙10-3 | 101.972 | 10.1972 ∙10-3 | 103 | 1 | 10 -3 |
1 МПа | 10 | 7.50064 ∙103 | 101971,6 | 9.86923 | 101.972 ∙103 | 10.1972 | 106 | 103 | 1 |
К системе СИ относятся: Инженерные единицы:
Бар
1 бар = 0,1 Мпа 1 мм рт.ст. = 13.6 мм вод.ст.
1 бар = 10197.16 кгс/м2 1 мм вод.ст. = 0.0001кгс/см2
1 бар = 10 Н/см2 1 мм вод.ст. = 1 кгс/м2
1 атм = 101.325 ∙ 103 Па
Па
1 Па = 1000МПа
1 МПа = 7500 мм. рт. ст.
1 МПа = 106 Н/м2
Two-channel frequency recorder. The recorder is designed for recording frequency from pressure transducers and (or) quartz temperature with frequency output in the range of absolute pressures from 0.0007 to 80 MPa and (or) temperatures from -60 to 250 °С.
The recorder is designed for recording frequency from pressure transducers and (or) quartz temperature with frequency output in the range of absolute pressures from 0.0007 to 80 MPa and (or) temperatures from -60 to 250 °С.
Together with the pressure converter, PDK-P-M(P)T forms a measuring device for recording pressure and temperature with the following possibilities:
Range of measured frequencies, Hz |
100 .. 50000 |
Limit of permissible error in frequency measurement in the operating temperature range, Hz |
±0,04 |
Resolution, Hz |
0,005 |
Connectable devices |
Pressure and temperature converters with frequency output, produced by SKTB ElPa and KB Quartzens |
Quantity of channels, pcs. |
2 |
Input waveform |
meander |
Parameters of input signal |
|
- input low voltage, not more than, V |
0,4 (0,1) |
- high-level input voltage, not more than, V |
5,5 (3,2) |
- the maximum value of the input voltage, |
0,8 (1,5) |
- minimum value of input voltage, |
2,0 (2,3) |
- delay time when switching logic |
6 |
Channel polling time |
user-configurable |
- minimum, s |
0,05 |
- maximum, s |
5 |
Supply voltage of the device, V |
+5 |
Power source |
external (included) |
Power Supply Input Voltage |
220V±10%, 50Hz |
Oscillator of reference frequency 16 MHz |
internal thermocompensated |
Connecting of the reference oscillator to an external frequency counter |
yes |
Precision frequency adjustment of the reference oscillator |
yes |
Connection to PC (USB interface) + software |
yes |
Mean time between failures at least, hours |
2500 |
Average service life, not less than, years |
3 |
Overall dimensions, no more than, mm |
125×85×27 |
Weight, not more than, kg |
0,2 |
ADDITIONAL FEATURES: |
|
Wireless connection to mobile device (Bluetooth) |
Customer requirement |
Accumulation of results in nonvolatile memory (SD card slot) |
Customer requirement |
The software is Windows application. When connecting the frequency recorder to PC, the software provides the user with the opportunity to: