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Supco DDM55 | Dual Digital ManometerSupco DDM55 dual digital manometer reliable pressure testing for HVAC techs The Supco DDM55 is a professional grade manometer designed for precise differential and absolute pressure readings. With dual input ports, its perfect for leak testing, diagnostics, and balancing airflowgiving HVAC systems the accuracy and safety they need. Built tough for the job site, it features a backlit digital display, user friendly controls, and a compact, durable
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Supco DDM55 dual digital manometer – reliable pressure testing for HVAC techs
The Supco DDM55 is a professional-grade manometer designed for precise differential and absolute pressure readings. With dual input ports, it’s perfect for leak testing, diagnostics, and balancing airflow—giving HVAC systems the accuracy and safety they need.
Built tough for the job site, it features a backlit digital display, user-friendly controls, and a compact, durable housing. It’s ideal for use with both gas and propane systems.
Key features
- ✅ Dual input for differential and absolute pressure
- ✅ Wide range: -55" to +55" water column
- ✅ Test pressure switches and delivery pressure
- ✅ Great for leakage and airflow diagnostics
- ✅ Comes with a soft carrying case
Specifications
| Display | Dual LCD |
| Accuracy | ± 0.3% FSO (25°C) |
| Repeatability | ± 0.2% (Max. ± 0.5% FSO) |
| Linearity / Hysteresis | ± 0.29% FSO |
| Pressure Range | ± 2 psi |
| Maximum Pressure | 10 psi |
| Response Time | 0.5 seconds typical |
| Low Battery Indicator | Yes |
| Over Range Indicator | Err.1 |
| Under Range Indicator | Err.2 |
| Operating Conditions | 32°F to 122°F (0°C to 50°C) |
| Storage Conditions | 14°F to 140°F (-10°C to 60°C) |
| Power Supply | 9V battery (included) |
Upgrade your HVAC toolkit with the precision of the Supco DDM55, built for tradies who demand accuracy and performance.
Supco DDM55 | Dual Digital Manometer
Item no
:
98037958765
US$ 240.80
Pay in 4 interest-free payments of $60.20 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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