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計測機器 BOQU pHG-2091のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。BOQU pHG-2091 18 ページ。 Online ph/orp meter
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SHANGHAI BOQU INSTRUMENT COMPANY
■ Input impedance: ≥10 ^ 12
■ Temperature type: NTC10K
■ Temperature measurement range: 0-99.9 ℃, accuracy: ± 0.5 ℃
■ Temperature compensation: 0-99.9 ℃ manual / automatic
■ RS485 function, compatible with standard MODBUS-RTU communication protocol
■ Power supply: AC220V ± 10%, 50 / 60Hz
■ Alarm relay AC250V, 3A
2.1 Meter installation
Please describe the installation method and installation method of this instrument. Be sure to
read this section when installing.
Installation Precautions
The instrument is equipped with relay switch output, generally used for alarm prompts, if the
user will use this function to participate in loop control, if the instrumentation, the instrument is
used to control the instrument, The failure may lead to major accidents or damage to other
equipment, the need to set the emergency stop circuit and protection circuit complement,
otherwise the consequences, the company is not responsible.
This instrument is disk mounted.
Please install indoors, avoid wind and rain and direct sunlight.
In order to prevent the internal temperature rise of the instrument, please install in a well
ventilated place.
When installing this instrument, please do not tilt left and right, as far as possible (can be tilted
<30 °).
Avoid the following places during installation
The area where the sunlight is directly irradiated and the vicinity of the heat instrument.
Work where the ambient temperature exceeds 60 ° C.
Work where the ambient humidity exceeds 85%.
Near the electromagnetic source.
Chapter 2 Installation
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