Operation; Maintenance; Calibration - Evikon PluraSens E2658 Series User Manual

E2658-H2S

Operation

Turn on the power. The instrument warm-up time takes about 1 minute after switching on
and the final sensor stabilization time to maximum accuracy takes about 30 minutes. 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 the Modbus communication cycle
Normal operating/measurement
Make sure that the detector-transmitter is properly mounted, the external devices
connected, the power LED (green) on, and the control LED (red) is constantly lit. Place the
lid back and fix it with the screws. Make certain that the cable gland and the screws fixing
the front lid are properly tightened to ensure the conformity to IP66 protection class and
ATEX requirements. Make certain that the device is properly earthed. 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

E2658-H2S detector-transmitters have been calibrated by the Manufacturer with standard
gas mixtures before delivery. Provided that the sensor is used under moderate conditions,
field recalibration is recommended every 6 months. Please contact your dealer for more
information.
13
Rev 12.03.2021
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