Operation; Maintenance; Calibration - Evikon PluraSens E2638 Series User Manual

E2638-ETO

Operation

Turn on the power. The instrument warm-up time takes about 30 minutes after switching
on and the final sensor stabilization time to maximum accuracy takes about 12 hours, but
depending on the device condition it might take longer to stabilize. The operating status is
indicated by the LED on the PCB of the device. The control LED (red) response to different
processes is presented in the following table:
Mode
During calibration mode or sensor heating
period (if activated)
Relay 1 turned on
Relay 2 turned on
During Modbus communication cycle
Normal operating/measurement
Make sure that the detector-transmitter is properly mounted, the external devices
connected, power LED (green) on and control LED (red) constantly lit. Place the lid back
and fix it with the screws. The device is ready to use.

Maintenance

Do not perform any maintenance operation with the power on.
Clean the device with a soft damp cloth. Do not use any abrasive cleaning agents. Do not
immerse the device in water or any cleaning media.

Calibration

E2638-ETO gas detector-transmitters have been calibrated by the Manufacturer with
standard gas mixtures before delivery. Provided that the sensor is used under moderate
conditions, the recommended interval for field recalibration is 6 months. Please contact
your dealer for more information.
12
Rev 10.03.2021
0.5 Hz (50% on, 50% off)
Blinking 1 Hz (50% on, 50% off)
Blinking 2 Hz (50% on, 50% off)
Short on-off pulses
Continuously on or off
LED mode