Bacharach 19-7038 Carbon Monoxide Alarm User Manual


 
2
Figure 2. Battery
Installation
2 TECHNICAL CHARACTERISTICS
SO
2
Display Range ........... 0-1999 ppm SO
2
Accuracy ........................... ±10 ppm or ±5% of reading
whichever is greater
Response Time ................. 90% of final value within 40 sec.
Battery Requirements ....... 1.5 V, “C” cells, Qty. 4
Operating Time* ............... 14-16 hours, alkaline cells
Operating Temp. Range.... 23 to 104°F (–5 to 40°C)
Relative Humidity ............. 10-85% non-condensing
Weight (w/o batteries) ...... 12 ozs. (341 grams)
Dimensions ....................... 8.6 x 3.5 x 2.9 inches (218 x 89 x 74 mm)
To prepare the instrument for operation, you
must install four “C” size batteries, and (if
desired) install the hose and probe as described
in the following paragraphs.
For your convenience, and to ensure that the
instrument will provide reliable SO
2
indica-
tions, the SO
2
sensor is installed and the instru-
ment calibrated on a known SO
2
concentration
at the factory.
3.1 Battery Installation
Detach the elastic strap's metal clip at the bot-
tom of the instrument, and slide off the battery
cover as shown in Figure 2. Then while observ-
ing proper battery polarity, install four “C” size
batteries into the instrument’s battery compart-
ment. (Recommended battery types: Duracell
Alkaline or equivalent). After the batteries are
installed, replace the battery cover and the
elastic-strap clip.
* Times are with the backlight turned off. Continuous use of the
backlight will decrease battery life.
3 PREPARING THE DIOXOR II
FOR OPERATION