340 DucTester System
Advanced flexible design for houses and ducts.
The Most Advanced DucTester for Precision Duct Testing
Retrotec’s Model 340x DucTester is a lightweight, high-performance system designed for a wide range of duct testing applications. The Model 340x delivers unmatched accuracy and ease of use.
This complete package provides everything needed to start residential duct testing immediately. It includes three flow ranges (Open, 102, 74, & 47), ensuring precise measurements across different system configurations.
Additional enhancements over the previous Model 340 include a mounted gauge directly on the shell for improved accessibility and a redesigned foot base for increased stability during testing. The Model 340 also features the industry-changing DM32X gauge, offering seamless digital control and data logging capabilities.
Every system comes equipped with Retrotec’s training and reporting software, making duct testing more efficient and user-friendly.
Who Uses the Model 340x?
Energy auditors, HVAC contractors, building contractors, remodelers, and home inspectors trust the Model 340 DucTester for its reliability, precision, and ease of use in duct leakage testing applications.
1 x DM32X Gauge Package
- DM32X Gauge (Newly Released! click here for details)
- USB-C Charging Cable
- Cat5 Cable
- Gauge Case
- DM32X Magnetic Clip
- ISO17025 calibration of DM32X
- Gauge Calibration Verification Report
1 x 300 Series Fan Set
- 300 Series Fan
- DC Power Supply for 300 Series Fan
- 300 Series Fan Power Cord With Plug
- Control Panel for 300 Series Fan
- End Plate 300 – Range 102
- Calibration of Fan
- Calibration Certificate
1 x 340 DucTester Set of Range Plugs
- 4″ Plug – Range 74
- 4″ Plug – Range 47
1 x DucTester Accessory Kit
- Large Deluxe Tool Case
- Mylar Flex Duct for DucTester – 10″ (25.4 cm) diameter x 12.5′ (3.8 m) long with 13 9/16′ (34.5 cm) x 13 9/16′ (34.5 cm)
- CLEAR flange
- Grill Mask
1 x DucTester Tubing Kit
1 x Mylar repair tape
1 x Umbilical for DucTester, 7 ft (2 m)
1 x Duct Leakage Test Report Generator Software
1 x Quick Connect Collar
| Flow Into: | CFM | liters/sec | m³/h | |
|---|---|---|---|---|
| Maximum Flow, CFM | Free Air | 798 | 376.6 | 1355.8 |
| 25 Pa | 719.8 | 339.7 | 1222.9 | |
| Minimum Flow | Range 102 – Standard | 164.3 | 77.5 | 279.1 |
| Range 74 – Standard | 28.1 | 13.3 | 47.7 | |
| Range 47 – Standard | 12.5 | 5.9 | 21.2 | |
| Range 29 – Optional | 5.2 | 2.5 | 8.8 | |
| Range 18 – Optional | 2.2 | 1.0 | 3.7 | |
| Range 11 – Optional | 0.9 | 0.4 | 1.5 | |
| Range 07 – Optional | 0.3 | 0.14 | 0.51 | |
| Range 03 – Optional | 0.1 | 0.04 | 0.17 | |
| Dimensions | 14″ × 12.5″ × 14.5″ (35.5 × 32 × 37 cm) | |||
| Weight | 14 lb (6.3 kg) | |||
| Flow Accuracy | ±3% ISO 17025 accredited certificate available | |||
| Power Supply | Input: 120V/60Hz, 240V/50Hz, or 110V/50Hz — Output: 48V DC / 3.31A | |||
| Power Output | 0.213 hp, 159 Watts | |||
| Max Fan Calibration Interval | Every 5 years or sooner depending on standard | |||
| Digital Gauge Model | DM32X (Click Here) | |||
* The max flow of the fan will vary depending on the following factors: barometric pressure, back pressure, blade pitch, air temperature, bearing tightness, inlet air turbulence, length of flex duct.
- 340x DucTester Replacement Parts List214.4 KB
- Manual DucTester Operation Model 340x3.7 MB
- Manual DucTester Operation Model 350x2.2 MB
- Manual DucTester Operation Model 400x2.9 MB
- Manual DucTester Operation Model 400x 12.9 MB
- QuickGuide DucTester 340x With DM3211.2 MB
- QuickGuide DucTester 340x With DM32X10.4 MB
