Specifications
Electrical Characteristics
EVM Series User Manual
Electrical Characteristics
Approximately 8+ hours of continuous operation at normal operation under
reference to environmental conditions when full capacity batteries are installed.
10 to 16 Volt Power Inlet (Nominal 12VDC) 1.5A
Universal AC adapter 100 to 240 VAC; 50-60 Hz
2 MB – over 24 hours at 15 second logging interval
Environmental effects
The typical time interval needed to stabilize after changes in environmental conditions is 5 minutes for
each 10ºC change.
Temperature: 0 ºC to + 50 ºC (32 ºF to 122 ºF)
Pressure Range: 65 KPa to 108 kPa
Relative Humidity Range: 10% to 90%, Non-Condensing
Temperature: -20 ºC to + 60 ºC (-4 ºF to + 140 ºF)
Relative Humidity Range: 0 to 95%, Non-Condensing
Battery: Insure battery is re-charged every 6 months during long-term storage.
Physical characteristics
19 cm x 19 cm x 7 cm (7.5” x 7.5” x 2.75”)
Static dissipative ABS-Polycarbonate
128 x 64 pixel display that measures 6 cm x 4.8 cm (2.4 in. x 1.9 in.)
Five keys have dedicated control functions, another five are primarily used for
selection and navigation, and another four provide variable functions when they
are defined in the display (soft keys). Audible (beep) feedback
Measurements units
ppm (Option) (Using one of the toxic sensors indicated in “Toxic Sensors”)
ppm or ppb (Options) (Using PID – 10.6eV Photo Ionization Detector)
m/s or m/ft (Options) (Using external air probe accessory)
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