REED R3030 Digital Manometer, Gauge / Differential, 30psi


This digital manometer provides accurate measurements in 11 different units of measure and is capable of taking gauge and differential pressure. The R3030 features a large backlit LCD display and internal memory to capture maximum and minimim measurements.


  • Measures gauge and differential pressure up to 30psi
  • 11 selectable units of measure: psi, inH2O, bar, mbar, kPa, inHg, mmHg, ozin², ftH2O, cmH2O, kgcm²
  • Displays pressure and real-time clock simultaneously
  • Large, easy-to-read backlit LCD display
  • Internal memory saves Max and Min measurements
  • Data hold function
  • Low battery indicator and auto shut off


Measuring Ranges30.00 psi
830.4 inH2O
2068 mbar
206.8 kPa
61.08 inHg
1551 mmHg
480.0 ozin²
69.20 ftH2O
2101 cmH2O
2.109 kgcm²
2.068 bar
Accuracy±0.3% FS
Resolution0.02 psi
0.5 inH2O
2 mbar / cmH2O
0.2 kPa
0.04 inHg
1 mmHg
0.3 ozin²
0.04 ftH20
0.002 kg/cm² / bar 
Repeatability±0.2% FS
Linearity/Hysteresis±0.29% FS
Max Pressure60 psi
General Specifications
Display4-digit, Dual LCD Display
Backlit DisplayYes
Data HoldYes
Differential PressureYes
Response Time2 times/sec.
Internal MemoryYes
Auto Shut-offYes (after 20 mins/off)
Low Battery IndicatorYes
Power Supply9V battery
Product CertificationsCE
Operating Temperature32 to 122°F (0 to 50°C)
Storage Temperature14 to 140°F (-10 to 60°C)
Operating Humidity10-80%
Dimensions7.2 x 2.8 x 1.2" (182 x 72 x 30mm)
Weight7.8 oz (220g)