||MX2203: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in
MX2204: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in
water, maximum sustained temperature in water 30°C (86°F)
||±0.25°C from -20° to 0°C (±.45°F from -4° to 32°F)
±0.2°C from 0° to 70°C (±0.36°F from 32° to 158°F)
||<0.1°C (0.18°F) per year
||MX2203: 17 minutes typical to 90% in air moving 1 m/s, unmounted;
7 minutes typical to 90% in stirred water, unmounted
MX2204: 15 minutes typical to 90% in air moving 1 m/s, unmounted;
4 minutes typical to 90% in stirred water, unmounted
|Logger Operating Range
||-20° to 70°C (-4° to 158°F)
|Buoyancy (Fresh Water)
||MX2203: 3.1 g (0.11 oz) negative
MX2204: 7.6 g (0.27 oz) negative
||MX2203: To 122 m (400 ft)
MX2204: To 1,524 m (5,000 ft)
||Water conductivity level of 100 µS/cm or greater necessary for reliable
detection of water. Deionized water or water below 100 µS/cm may
not be detected.
The water conductivity circuit may not reliably detect water that has
frozen around the electrodes, i.e., below 0°C (32°F).
||1 mW (0 dBm)
||Approximately 30.5 m (100 ft) line-of-sight
|Wireless Data Standard
||Bluetooth Low Energy (Bluetooth Smart)
||1 second to 18 hours
||±1 minute per month at 25°C (77°F)
||CR2477 3V lithium, user replaceable in MX2203, non-replaceable in
||3 years, typical at 25°C (77°F) with logging interval of 1 minute and
Bluetooth Always Off disabled in software.
5 years, typical at 25°C (77°F) with logging interval of 1 minute and
Bluetooth Always Off or Bluetooth Off Water Detect enabled in the app.
Faster logging intervals and statistics sampling intervals, burst logging,
remaining connected with the app, excessive downloads, and paging
may affect battery life.
See Battery Information for detailed instructions on replacing the battery
in the MX2203 logger.
|Full Memory Download
|Approximately 45 seconds; may take longer the farther the device is
from the logger.
||MX2203: Polypropylene case, Delrin® battery cover, EPDM O-ring,
stainless steel screws, Santoprene® (TPE) boot
MX2204: Epoxy case, Santoprene (TPE) boot
||MX2203: 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches)
MX2204: 4.06 x 6.99 x 3.51 cm (1.6 x 2.75 x 1.38 inches)
||MX2203: 36.2 g (1.28 oz)
MX2204: 32.8 g (1.16 oz)
||The CE Marking identifies this product as complying with all relevant
directives in the European Union (EU).