Existing reviews of 3 Phase AC Voltage Transducer 10V to 500V, Output 0-5V/4-20mA/0-20mA
Performance below zero temperatures
We purchased this 3-phase AC voltage transducer and want to know how it performs below zero temperatures. Will it break down or just experience a decrease in accuracy?
From:
Kenny
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Date:
23/02/2026
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Regarding the performance of this 3-phase AC voltage transducer below zero temperatures: Between 20°C and 0°C, it operates normally without damage. Between -25°C and -20°C, it is only suitable for power-off storage (it will not break down); powering it on will cause a significant decrease in accuracy, and prolonged use may damage internal components. Below -25°C: Exceeding the rated temperature range, regardless of whether it is powered on, can easily cause irreversible hardware damage and complete loss of measurement accuracy. We do not recommend using it in this environment.
We received a device with model number ATO-WB3U414U01_0.5. What is the maximum AC voltage of this device?
From:
Bercy
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Date:
13/01/2026
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The voltage sensor you purchased has a range of 0-300V. The input voltage to be detected should not exceed 300V, and the maximum should not exceed 360VAC.
I have a three-phase AC voltage sensor model ATO-WB3U412U01. Can this sensor provide phase-to-ground voltage measurement when only one phase is connected? Or can it only measure phase-to-phase voltage?
From:
Telis
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Date:
09/07/2025
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The ATO-WB3U412U01 three-phase AC voltage sensor you purchased can only measure phase-to-phase voltage, and cannot measure the voltage between the phase line and the ground.
Great sensor, works as expected
From:
Walter
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Date:
03/07/2025
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I want to buy your voltage sensor
I have come up with your product below:
Voltage Sensor
ATO-VOS-DC1000
Though, I have 2 questions:
1) I see there are several inputs for Voltage from 0V – 1000V. My first question is how can I select a range of fe150V?
In such case, what will the accuracy at low voltages fe 4V (I need accuracy of 2 decimals)?
Is there an option to switch between 2 ranges in one single sensor?
2) If I adjust the output range to 0-10V (this is my acceptable PLC input), what will be the output in case of reverse polarity connection? I really want to avoid a negative signal on my PLC input.
From:
Curtis
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Date:
21/09/2021
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1. Select required measuring range as you like from the pull down menu seen on the web site, and accuracy is: 0.2%F.S.
No option is to switch between 2 ranges in one single sensor.
2. This is a DC voltage sensor, so the input voltage cannot reverse polarity connection, otherwise it may cause damage to the sensor.
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