intelligent temperature transmitter 644 with Hart suppliers
How to troubleshooting of 644 temperature transmitter ?
1. Error occurred due to leakage or blockage of the three-valve group of the Smart temperature transmitter.
2. The zero position of the intelligent temperature transmitter is high (or low), causing static and differential pressure to be large (or small), so that the calculated air volume is larger than the actual air volume (or small).
3. The accuracy grade and range range of the temperature transmitte 644 are incorrect or not according to
GB/t18603-2001 "technical requirements for natural gas measurement system", which results in the measurement of additional error.
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