testo 312-4

Differential pressure gauge testo 312-4

  • Dimensions: 219 x 68 x 50 mm
  • Data transmission: RS232
  • Memory: 25,000 values
  • Weight: 600 g
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Differential pressure gauge testo 312-4

Testo 312-4 differential pressure gauge measures pressure and temperature in the gas pipeline, optional temperature sensor

Testo 312-4 pressure gauge is used to test high pressure in gas and water pipelines … in combustion chambers, boilers …

Máy đo chênh áp testo 312-4

Testo 312-4 pressure gauge has allows accurate pressure measurement, temperature calculation

  • Approved by DVGW
  • Measure high temperature and pressure with optional probe
  • Alarm function when measured value exceeds set threshold
  • Memory for up to 25,000 measurement values
  • Battery life up to 8 years
  • Print fast with testo printer

Testo 312-4 pressure gauge provides include: battery, manual and factory test paper

Testo 312-4 pressure gauge specifications

Temperature sensor – TC type K

Measuring rangedepending on the sensor
Accuracy± 0.4 ° C (-100 to +200 ° C) *
± 1 ° C (Remaining range) *
Resolution0.01 ° C

* Only applicable for device without sensor attached

Differential pressure sensor (internal sensor)

Measuring range0 to 200 hPa
Accuracy± 0.03 hPa (0 to +3 hPa)
± 1.5% of measured value (+3.1 to +40 hPa)
± 2 hPa or ± 1% of full scale (41 to +200 hPa)
Resolution0.01 hPa

Pressure gauge (external sensor)

Measuring range0 to 25 bar
Accuracy± 0.6% of full scale (0 to 10 bar)
± 0.6% of full scale (> 10 to 25 bar)
Resolution10 hPa

General specifications

Printer interfaceinfrared
Guarantee1 year
Measurement speed1 second to 24 hours
Size219 x 68 x 50 mm
Data transmissionRS232
Memory25,000 worth
Mass600 g