Omega RD260A instruction manual Is the input free of noise?

¥Errors exceed specified limits

¥Measuring value indications fluctuate

¥Pen/printer carriage goes off-scale at 0% or 100%.

Does input signal satisfy the specifications?

YES

Is the input free of noise?

YES

Are measures applied

to prevent ambient temperature changes?

YES

Are input wires correctly connected to the terminals?

YES

Is the recorder parallel connected with other instruments?

YES

NO

NO

NO

NO

NO

Correct the input according to specifications

¥Separate the input signal wires from the noise source.

¥Ground the recorder.

¥Ground the measuring object.

¥Insulate TC from the measuring object.

¥Use shielded cables for input signals.

¥Correctly attach the terminal cover.

¥Check the wind from appliances such as cooling fan.

¥Decrease the temperature change around the input terminals.

¥Check the wiring connection being correct. (See subsection 2.2.3.)

¥Attach the terminal block correctly.

¥Tighten the terminal screws again.

¥Insulate the RTD from grounding wire.

¥Replace the TC if its wire is broken.

¥Halt the burnout function of other instruments.

¥Make one-point grounding together with other instruments.

¥Cancel the parallel connection (for example, use a double element TC).

Is pen position/dot-printing		NO
position correctly adjusted?			Readjust the pen position/dot-printing position. See subsection 4.8.6, 4.8.7.
	YES
Contact OMEGA Engineering.

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