










HoldPeak HP-189 Dual-Port Digital Manometer
Professional HVAC Gas Pressure Tester | 12 Units | ±0.3% FS Accuracy | MAX/MIN/AVG/DIFF Modes
✅ DUAL-PORT PRECISION
Measure differential, positive & negative pressure with ±0.3% FS
±13.79kPa (±2 PSI) for micro-pressure (BT-189A)
±206kPa (±30 PSI) for industrial applications (BT-18BA)
✅ 12 PRESSURE UNITS
Switch between inH₂O, psi, bar, mbar, kPa, inHg, mmHg, oz/in², ftH₂O, cmH₂O, kg/cm² instantly.
✅ SMART DATA FUNCTIONS
REC Mode: Log MAX/MIN/AVG values
DIFF Mode: Calculate pressure differences
HOLD Button: Freeze readings + clear residuals (long press)
✅ HVAC-OPTIMIZED DESIGN
• Backlit LCD for low-light environments
• Auto power-off (25 mins idle)
• Includes 4 flexible tubes + 1/8" adapter
• Lightweight (134g) with protective case
| Parameter | Specification |
|---|---|
| Accuracy | ±0.3% FS |
| Repeatability | ±0.25% FS |
| Pressure Ports | Dual 1/8" (3.18mm) quick-connect |
| Overload Protection | ERR1/ERR2 alerts |
| Battery | 2×AAA (Not Included) |
| Dimensions | 160×62×31mm (6.3×2.4×1.2in) |
HVAC/R: Diagnose airflow, gas leaks, duct static
Industrial: Hydraulic systems, plastic molding, bioreactors
Safety: Mine pressure monitoring, oil/gas valve testing
Laboratories: Calibration, micro-pressure analysis
1 × HP-189 Digital Manometer
2 × Flexible Tubing (40cm)
1 × 1/8" Thread Adapter
1 × Protective Case
1 × English Manual
⚠️ Usage Tips:
① Always depressurize systems before connecting!
② Avoid temperatures <0°C (32°F) or >40°C (104°F)
✓ 180-Day Warranty
✓ CE Certified (EMC/LVD directives)
► Laser-Etched Scale – Zero parallax error
► Overrange Protection – Safeguards against 6/30 PSI overloads
► Hysteresis ≤0.1% FS – Consistent repeat readings
► Differential Ports – Test filters, valves, pumps in one step

