The Most Advanced DucTester for Precision Duct Testing
Retrotec’s Model 340 DucTester is an ultra-lightweight, high-performance system designed for a wide range of duct testing applications. The Model 340 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 newly released, industry-changing DM32X gauge, offering seamless digital control and data logging capabilities.
Every Model 340 system comes equipped with Retrotec’s training and reporting software, making duct testing more efficient and user-friendly.
Who Uses the Model 340?
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 300 Series Fan Set
- 300 Series Calibrated Fan
- 4″ Plug – Range 74
- 4″ Plug – Range 47
- Power Cord
- Control Panel
- End Plate 300 – Range 102
- DucTester Tubing Kit
- Tubing Umbilical
- Quick Connect Collar
- System Calibration Verification Report
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 DM32X Gauge Package
- DM32X Gauge
- Gauge Case
- USB-C Charging Cable
- Cat5 Cable
- ISO17025 calibration of DM32X
- Gauge Calibration Verification Report
| Fan Model #
|
300x
|
|||
| 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 x 32 x 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 | |||
| Maximum Fan Calibration Interval | Every 5 years or sooner depending on standard | |||
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