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2. Features
KEW3551/3552/3552BT can measure insulation resistance, low-resistance,
and also AC/ DC voltage.
● L CD backlight and LED spot light to facilitate working at dimly illuminated
location or at nighttime work. The built-in illuminance sensor automatically
turns on/ off the lights.
● Memory function (available on KEW3552/ 3552BT)
Internal memory to save, recall, and delete the measured data.
● Infrared transmission function (available on KEW3552/ 3552BT)
Transmits the data saved in the internal memory to PC.
● Bluetooth communication function (available on KEW3552BT)
C onnects the instrument and a Bluetooth device, like a tablet, for remote
monitoring and data saving.
● Clock (available on KEW3552/ 3552BT)
Measured data is saved with the measurement time information.
● Auto-power off function
A utomatically powers off the instrument if there is no function change or
button press for ten min.
● Voltage measurement with AC/ DC auto-detection
● Insulation resistance measurement
- Quick response
Shows the measured result in approx. 0.5 sec.
- With auto-discharge function
A utomatically discharges electric charges stored in the capacitive circuit
when a measurement is finished.
- With insulation status indicator
L CD backlight color indicates whether a measured value is less than or
www.calcert.com
15
10
20
5
25
0
30
O: Device which is
not directly
connected to the
mains power supply
̶ 4 ̶
sales@calcert.com
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