Cool Air LBW-WATCHMAN-EC, Manual, Page: 19 / 24

19 |
P a g e Rev 2-0 8/1/2018
3. Apply span gas certified span gas at 0.3 L/min (span gas must
be in air, not nitrogen or other carrier) until a stable ammonia
concentration reading is displayed or 2 minutes, whichever
occurs first.
4. Press the “UP” or “DOWN” button until the display indicates
the concentration of the known sample. For example, if the
sample ammonia concentration is 100 PPM, press the “UP” or
“DOWN” button until the display indicates 100 PPM.
5. Press and hold the “ENTER” button for at least 2 seconds.
6. Remove the span gas
7.
Wait until the ammonia concentration reading is below the
LO alarm set point , then press the mode button until the
detector is in “Normal” mode (Program and Service LED’s
off)
Testing and maintenance supplies ;
• Calibration and test kit P/N CAI-CAL-KIT
• Cal Adaptor for Electrochemical Sensor P/N EC-CAL-
ADPT
• 0 to 500 PPM Electrochemical Sensor P/N 277-203-
WATCHMAN
• Ammonia 100 PPM Calibration Gas Balance Air in a 34
Liter Aluminum Cylinder Connection Type C-10 P/N TG-
100-34L
•
Ammonia 250 PPM Calibration Gas Balance Air in a 34
Liter Aluminum Cylinder Connection Type C-10 P/N TG-
250-34L
• Ammonia 500 PPM Calibration Gas Balance Air in a 34
Liter Aluminum Cylinder Connection Type C-10 P/N TG-
500-34L
•
• .3LPM, Toggle on flow valve, C10 inlet, 3/16" barb outlet,
nickel plated brass P/N FLOW-REG-.3
T
T
E
E
C
C
H
H
N
N
I
I
C
C
A
A
L
L
S
S
U
U
P
P
P
P
O
O
R
R
T
T