Arizona Hydrogen Sulfide Analyzer Jerome 631-X - Manual (Page 10)

4. INSTRUMENT OPERATION
LCD Codes
LCD CODE EXPLANATION
000 Ready to sample
.000 No hydrogen sulfide reading
.8.8.8 Sensor saturated-regeneration needed (refer to page 12)
.H.H.H Sensor regeneration in progress (.H.H.H flashes)
.L.L.L Re-zero needed (refer to page 13)
.P.P.P Power cord required or low line power, <100 VAC (or 200 VAC)
(see pages 16 and 17, Changing the Fuse, if .P.P.P remains on after
the cord is connected.)
.LO BAT Recharge batteries (refer to page 17)
.E.E.E Same as LO BAT, automatically shuts off
.HL Very high concentration has been detected. Refer to your safety
policy for additional direction to confirm the concentrations."
DURING SAMPLING
.- 0-25% sensor saturation
.-- 25-50% sensor saturation
.--- 50-75% sensor saturation
-.--- 75-100% sensor saturation
DURING SAMPLING, USING SURVEY MODE
- Survey sampling (minus sign flashes continuously)
WHEN ZERO IS
DEPRESSED
Adjust to 0 only after sensor regeneration. It is normal for the
display to read H after sampling has started.
0 Zero, ready to sample
H High, turn Zero potentiometer counterclockwise
L Low, turn Zero potentiometer clockwise
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