The SPR-612 is a precision differential pressure manometer capable of measuring gauge and differential pressures in a wide range of applications. It supports 11 selectable units of measurement, making it versatile for use across various industries. Designed for accuracy and reliability, the device features a dual LCD display, data hold functionality, and an automatic power-off feature (can be disabled).
- Multi-Unit Support: Offers 11 selectable units of measurement: inH₂O, psi, bar, mbar, kPa, inHg, mmHg, oz/in², ftH₂O, cmH₂O, kg/cm²
- Data Hold Functionality: Freezes the displayed reading for easy reference
- Auto Power Off Disabled Option: Can disable the auto power-off function for extended usage
- Dual LCD Display: Provides clear and accurate readings with unit indicators
- Zero Adjustment & Offset Measurement: Allows zero calibration and offset measurements
- Record Mode: Stores MAX, MIN, and AVG readings with relative time stamps
- Backlight Display: Enhances readability in low-light conditions
- Over/Under Range Indicators: Alerts users when measurements exceed or fall below operational limits
- Low Battery Indicator: Notifies users when battery replacement is needed
| Specification | Details |
|---|---|
| Measurement Range | -138.4 inH₂O to 138.4 inH₂O / ±5 psi |
| Units Supported | inH₂O, psi, bar, mbar, kPa, inHg, mmHg, oz/in², ftH₂O, cmH₂O, kg/cm² |
| Display | Dual LCD |
| Accuracy | ±0.3% FSO at 25°C |
| Repeatability | ±0.2% Max / ±0.5% FSO |
| Linearity/Hysteresis | ±0.29% FSO |
| Maximum Pressure | 20 psi |
| Response Time | 0.5 seconds typical |
| Operating Conditions | 0 to 50°C |
| Storage Conditions | -10 to 60°C |
| Power Supply | 3 x 1.5V AAA batteries |
| Low Battery Indicator | Yes |
| Over-Range Indicator | Err.1 |
| Under-Range Indicator | Err.2 |
| Auto Power Off | After 20 minutes of inactivity (can be disabled) |