Portable Digital Pressure Manometer with LCD Display, Data Hold and Error Code

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Description:
- Measures gauge/differential pressure from -55 to 55H₂O (2-psi)
- Features 11 selectable unit of measurement: inH₂O, PIS, bar, mbar, kPa, inHg, mmHg, Ozin², ftH₂O and kg cm
- Additional features include data hold and auto power-off disabled, careful use of this meter will provide years of reliable service
Features:
- Maximum/minimum/average and with a relative time
- Large LCD backlight dual display
- Zeroing, offset and data compensation
- Low-battery display and automatic shutdown
- Data hold and error code
Specifications:
- Function range resolution:
  - Display: dual LCDs
  - Accuracy: 0.3% FSO (25C)
  - Repeatability: 0.2% (maximum 0.5% FSO)
  - Linearity/hysteresis: 0.29% FSO
  - Maximum pressure: 10psi (HT-1890)
  - Response time: 0.5 second (typical)
  - Low-range indicator: Err.1
  - Under range indicator: Err.2
  - Operating conditions: 32 to 122°F (0 to 50°C)
    - InH₂O: ±55.40 0.01
    - Ozin²: ±32.00 0.01
    - Psi: ±2.000 0.001 ftH2O ±4.612 0.001
    - Mbar: ±137.8 0.1 cm
    - H₂O: ±140.6 0.1
    - kPa: ±13.79 0.01kgcm ±0.140 0.001
    - inHg: ±0.407 0.001-bar ±0.137 0.001
    - mmHg: ±103.4 0.1