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SP620 Differential Pressure Meter Smart Probe


SP620 Smart Probe Differential Pressure Meter: one touch zero function and Trim mode to stabilize fast changing pressures.

In stock


  • 0.01 inH2O resolution
  • High accuracy +/-0.02 inH2O less than 1 inH20; 1.5% above 1 inH20
  • Temperature compensated
  • Trim mode to stabilize fluctuating readings
  • Seven units of measure:  mbar, inH2O, kPa, PSI, mmHg, inHg, and mmH2O.

Smartphone Apps

TPI offers several apps for use with your Smart Devices, each with differing features. TPI Smartphone apps allow easy documentation that you can share with your customer. Reduce paperwork and save time! Download both as available for your device to command the full range of smartphone & tablet features!

TPI Smart Probes App
Use with All TPI Smart Probes

SP565: Hot wire velocity; Measuring of air flow velocities
SP341: K-Type Thermocouple Thermometer. Perform differential temperature tests
SP620: Measure differential pressure & volume flow with Tightness Test
SP1000: Measure CO2


TPI View App
Use with DC710 and Select Smart Devices

Allows gas engineers using their smartphone to interact with TPI’s DC710 FGASP341 Thermocouple Thermometer, and SP620 and 608BT Manometers. Job Management allows you to create multiple JOBS and attach multiple REPORTS to each Job! Give each report a different reference/name; save to an existing JOB or create a NEW one! Learn More





Click to view or download product PDFs

SP620 Data Sheet

SP620 Manual

SP620 Certificate of Conformity


SP620 Smart Probe Differential Pressure Meter Specifications
Input TypeDual input differential
Connection Type1/4 inch barb
Measurement Range-150 mbar to +150mbar (-60 inH2O to +60 inH2O)
Accuracy+/-0.05 mbar (0 to 1 mbar) / +/-(1.5% + 20 digits) (> 1 mbar)

+/-0.02 inH2O (0 to 1 inH2O) / +/-(1.5% + 20 digits) (> 1 inH2O)
Resolution0.01 mbar / 0.01 inH2O
Units of Measure7 Units (mbar, inH2O, kPa, PSI, mmHg, inHg, mmH2O)
Operating Temperature-20⁰C to 50⁰C (-4⁰F to 122⁰F)
CommunicationBluetooth version 4.2 (Use with TPI Smart Probe App)
Battery TypeAAA x 3
Battery Life80 hours typical

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