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
InnPro
Measuring tools
Tools
UNI-T
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