Spectrex 20/20SH - Hydrogen Flame Detector User Manual

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Spectrex Inc. - SharpEye

Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005

Figure 16: 4-20mA wiring

Notes:
The detectors are factory set to isolated 4-20mA ‘sink’ version.

To work at non-isolated 4-20mA ‘source’ version, connect Terminal 12 to Terminal
1. The 4-20mA meter is connected between Terminal 11 and Terminal 2.