Uni-T UT661D Pipe Blockage Detector
The Uni-T UT661D is a pipe blockage detector designed for quickly locating blockages in pipes without the need to dismantle the system. The device works with both plastic and metal pipes, and the 35-meter signal cable allows for inspection of longer sections. A maximum detection depth of up to 50 cm allows for effective blockage detection even in hard-to-reach areas. The kit consists of a transmitter and receiver that help precisely pinpoint the location of the problem, while audible and visual alerts facilitate quick identification of the blockage.
Designed for use in various conditions
The device is equipped with an IP67-rated probe, which increases its durability and safety when operating in demanding environments. A low-battery indicator and a loud audible signal improve user comfort during diagnostics. The transmitter and receiver use built-in 3.7 V lithium-ion batteries with a capacity of 1800 mAh, providing up to 10 hours of operation on a single charge. With an operating temperature range of -20°C to 60°C, plus the included charging cable and probe kit, the UT661D is ready for use both in the field and during daily maintenance tasks.
Included
- Transmitter
- Receiver
- Charging cable
- Probe kit
- User manual
- Warranty card
Specifications
| Manufacturer | Uni-T |
|---|---|
| Model | UT661D |
| Type | Pipe blockage detector |
| Transmitter | Yes |
| Receiver | Yes |
| Signal cable | 35 m |
| Maximum detection depth | 50 cm |
| Pipe materials | Plastic, metal |
| Audible signal | Yes |
| Visual signal | Yes |
| Low battery indicator | Yes |
| Probe waterproof rating | IP67 |
| Transmitter current (off) | <2 µA |
| Transmitter operating current | 230–310 mA |
| Receiver current (off) | <2 µA |
| Receiver standby current | <40 mA |
| Maximum receiver operating current | 150–450 mA |
| Charging current | 450–550 mA |
| Sound output test at 1 cm | 93 dB |
| Sound output test at 0.5 m | 75 dB |
| Battery life | 10 hours |
| Operating temperature | -20°C~60°C |
| Operating humidity | 10~80% RH |
| Transmitter battery | Built-in 3.7V 1800mAh lithium battery |
| Receiver battery | Built-in 3.7V 1800mAh lithium battery |
| Color | Red and gray |
| Transmitter weight | 1.42 kg |
| Receiver weight | 0.26 kg |
| Transmitter dimensions | 38 x 30 x 42 mm |
| Receiver dimensions | 40 x 38 x 80 mm |
| Certifications | CE, RoHS |














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