使用注意事項
PT500-540 TTL數(shù)字壓力變送器使用注意事項
產(chǎn)品供電3.6VDC(范圍:3-5VDC);
嚴禁使用硬物(如:螺絲刀、手指、鐵釘?shù)龋┤ナ沟脡盒倔w受壓力測量輸出;
電源和信號線按訂購產(chǎn)品規(guī)格要求,正確接線;
產(chǎn)品安裝時,受力部位為“過程連接六方扳手位”,扳手規(guī)格與六方相對應;
嚴禁被測系統(tǒng)的介質溫度、壓力量程、激勵電壓超過變送器的額定使用范圍;
注意保護變送器引出電纜,現(xiàn)場使用跨度過大時,建議使用金屬管保護或架空;
壓力變送器屬精密計量儀器,切勿強加沖擊、摔打,以免損壞芯體;
產(chǎn)品安裝于通風、干燥、無強腐蝕環(huán)境,露天安裝加防護裝置,避免陽光直接照射;
Precautions for PT500-540 TTL digital pressure transmitter
Product power supply 3.6vdc (range: 3-5vdc);
It is strictly prohibited to use hard objects (such as screwdriver, finger, iron nail, etc.) to make the pressure core body under pressure measurement output;
The power and signal wires shall be correctly wired according to the specifications of the ordered products;
When the product is installed, the stressed part is "process connection hexagon wrench position", and the wrench specification corresponds to hexagon;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the tested system exceed the rated use range of the transmitter;
Pay attention to protect the outgoing cable of the transmitter. When the span is too large on site, it is recommended to use metal pipe for protection or overhead;
The pressure transmitter is a precision measuring instrument, do not impose impact or smash to avoid damaging the core;
The product is installed in a ventilated, dry and non corrosive environment, and installed in the open with protective devices to avoid direct sunlight;