User manual

Specification
Range of indicated nitrate from 20 to 5 000
content, mg/kg
Time of measurement, seconds up to 20
Measurement mistake, less 30%
Power elements AAA size batteries rechargeable
or non-rechargeable (NiMH)
Power voltage range, V 2,3 - 3,5
Time of continuous work 8
of the device, hours at least**
Overall dimensions 144х47х17
height х width х thickness,
max, mm
Weight (without power 66
elements), max, grams
Battery charging current, max, mA 300
Current consumption from charger 500
or USB not more than
Output charger voltage from 4,5 to 5,5
Display Color TFT, 128x160
Operating temperature range, °С from -20 to +60
Comment:
* Increasing the number of measurements shall improve the reliability of
readings.
** The time of continuous work of the device is up to 10 hours, with default
settings and two batteries of capacity 1350mAh.
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