iv
Correct Re-Zero Operation
The “zero air” sample needs to be of the same temperature and
relative humidity as the air to be measured for sulfuryl fluoride.
Purging the SF-ExplorIR™ after warm-up with previous held air inside the monitor is not the same as
forcing a Bag Empty and refilling with clean air known to be free of SF.
In cases where the monitor is taken from a cooler (air conditioned environment and set to work; the end-
user should empty the internal air bag content prior to use and refill with a know clean air sample at the
same temperature and relative humidity as the sample area to be measured.
Please consult operation manual and/or distributor for this procedure.
Notice for First Time Use of Battery
The SF-ExplorIR™ monitor is shipped with a partially charged battery and should be charged by the end-
user for at least 2 continuous hours prior to first use. If after this time the green LED’s are not observed
then depress the TEST button on the battery pack and hold until they appear. Repeat if necessary.
Compliant Battery
Spectros Instruments has determined and set the correct voltage and polarity needed for compliant battery
performance. Only a Spectros Instruments provided battery should be used. Use of another battery will
automatically void any warranty and may result in severe damage to the monitor.
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