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082-8003-404 Datasheet, PDF (17/24 Pages) Magnetrol International, Inc. – RF Level Transmitter | |||
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2. Loop current randomly unstable.
a. Disturbances in medium
â Correct instability of medium
b. Power supply unstable
â Repair or replace power supply
c. Electrical interference (RFI)
â Consult factory.
3. Loop current exceeds 20 mA.
a. Incorrect calibration
â Recalibrate unit
b. Material level above 100%
â No corrective action needed on transmitter
c. Extreme material build-up on probe
â Possible misapplication; consult factory.
d. Shorted or resistive probe
â Replace probe.
e. Supply voltage out of limits at transmitter terminals
â Allowable voltage between 14 and 40 VDC.
Refer to Chart 1 on page 15.
f. Excessive temperatures at transmitter electronics
â Use remote electronics
g. Excessive loop resistance. Refer to Chart 1 on page 15.
â Reduce loop resistance;
â Increase supply voltage; consult factory.
4. Loop current less than 4 mA.
a. Incorrect calibration
â Recalibrate unit
b. Material level below 0%
â No corrective action needed on
transmitter
c. Shorted or resistive probe
â Replace probe.
d. Supply voltage out of limits at transmitter terminals
â Adjust power supply; or
â Reduce loop resistance
e. Excessive temperatures at transmitter electronics
â Use remote electronics
f. Excessive loop resistance.
â Reduce loop resistance
50-613 Kotron Series 82 CE RF Level Transmitter
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