RKI Instruments SD-705EC - Manual (Page 26)

PT2E-1140
４−７ Point Skip Set Method
Maintenance mode can be set compulsorily
４∼20mA ：2.5 mA(Fix)
Alarm contact：OFF
① Press SET switch●in menu display .
When point skip set mode is entered, current set condition is displayed on LCD.
② To set point skip condition, press UP switch▲ or DOWN switch▼ to change as
→ → , and to cancel point skip condition, change as
→ . Then, press SET switch● to decide.
After decision, SPAN light is lighting.
４−８ Sensor Replacement Method
Replace the gas sensor with following procedures.
(1) Turn OFF power supply to this unit.
(2) Remove the hexagonal socket head bolts of the sensor guard and remove the sensor
guard.
Sensor guard
Sintered metal
(3) Remove the sintered metal and remove the sensor form connector.
(4) Insert the new sensor to the connector softly and rotate it until it stops once.
Push and rotate the sensor further until it is stopped.
(5) Mount the sintered metal.
(6) Make cover the sensor guard onto the sensor and rotate the guard clockwise to fasten.
Tighten it with hexagonal socket headed bolt.
（７）After completion of the sensor replacement, put on the power. Check with the portable
gas detector that there is no gas around the detector. Then remove hexagonal socket
headed bolts(6 pcs.) and the lid.
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