RKI Instruments RX-517 - Manual (Page 5)

PT0E-0730
4
２ ． Name of each part
①POWER／ENTER SW
This is used for power ON/OFF and entering the figure.
②PUMP／− SW
This is used when make the pump ON/OFF and deverse the figure.
③ZERO／＋SW
This is used when make zero adjustment and increase the figure.
④PEAK SW
This is used when to let the peak displayed.
⑤MODE／ESC SW
This is used when enter the set mode or cancel the input.
⑥ALARM LAMP
When trouble alarm triggers, this shall blink and light out.
⑦LCD with Back-light
This shows the gas reading.
⑧H2S gas range mode cock (for model RX-517 only)
The mode for H2S Low ⇔ H2S High can be changed over by this switch.
① ② ③ ④ ⑤ ⑥
⑦
GAS OUT
H2S Low・HC・O2
GAS IN
⑧
GAS OUT
H2S high