RKI Instruments SD-705EC - Manual (Page 21)

PT2E-1140
LCD indication Menu
Displays set potential
Zero adjustment mode
Span adjustment mode
4mA adjustment mode
Alarm point set mode
Alarm test mode
Point skip set mode
＜Common operation ∼ To enter maintenance mode＞
① To enter maintenance mode, press MAINTENANCE switch● by control key for
3 seconds in normal measuring mode.
② When entered maintenance mode after 3 seconds, 4-20mA output becomes 2.5mA
and SKIP light is flickering. Release control key after entered.
③ Change indication number with pressing UP▲ or DOWN▼ switch by control key.
And press SET switch● when the mode you want to enter is indicated.
＜Common operation∼To change the mode＞
① Display goes to MENU when press MAINTENANCE switch● during each mode.
② Change indication number with pressing UP▲ or DOWN▼ switch by control key.
And press SET switch● when the mode you want to enter is indicated.
＜Common operation∼To cancel maintenance mode＞
① Display goes to MENU when press MAINTENANCE switch● during each mode.
② To recover measuring mode, press MAINTENANCE switch● for 3 seconds during
MENU
③ When entered measuring mode, SKIP light goes off and indicating as it is measuring mode.
４−３ Gas Sensitivity Calibration Method
The following tools and jigs are necessary for zero and span adjustments.
・ Gas sampling bag
・ Calibration adaptor
・ Calibration gas
・ Control key
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