Ac Voltage Accuracy±0.05% from -20 to 50 °C (-4 to 122 °F)
AC Max (amps)1
Display8.8 cm (3.5") 320 x 240 pixel, hi-bright LCD
MemoryUp to 10,000 sets of single phase results
InterfaceUSB-A
Safety RatingIEC 61010-1:2010 + AMD1:2016
Power6 NiMH rechargeable batteries (included); can also use 6 AA batteries
Width (in)4.125
Height (in)9
Depth (in)3
Width (cm)10.5
Height (cm)22.8
Depth (cm)7.5
DescriptionBasic Transformer Turns Ratiometer Test Set, 37.5 VAC Max Induced
Warranty1 year
Includes
2-m (6-ft) H and X leads, USC-C to USB-A cable, USB-C to USB-C cable, USB drive, and soft carrying case.
Key Features
Perform routine polarity validation and turns ratio tests
Easy-to-use interface on full color bright LCD
Click start and perform over 1000 turns ratio tests on a battery charge!
Pass/fail ratio evaluation
Additive/Subtractive polarity validation
Excitation current measurements
Export saved results for analysis
TTR up to 37.5 V AC with ±0.05% accuracy
1 year warranty
More About this Item
The TTRU1 handheld meters use a single-phase step-down method to measure the ratio and polarity of the transformer's turns. It can help identify any shorted turns, open-circuited conditions, or insulation deterioration to ensure the power transformer is performing properly.
A full-color, hi-bright LCD screen, rotary knob, seven function buttons, and an easy-to-follow setup provide the right result every time. The meter performs a vector group validation during every test to determine whether the transformer is additive or subtractive. Use the excitation current test to locate defects in magnetic core balance, magnetic core structure, shifting windings, failures in the turn-to-turn insulation, or problems in tap changers.
Store up to 10,000 sets of single-phase results on the meter. Install PC software to view and download data to a computer or a thumb drive via the USB-A connection. The meter operates on six NiMH rechargeable batteries, offering maximum portability and flexibility; it performs up to 1000 TTR tests on a single charge. Simply charge batteries by connecting to a wall charger or computer USB port.
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