HOBO MX2300 Series Data Logger Manual
1-508-759-9500 (U.S. and International) 2
www.onsetcomp.com
1-800-LOGGERS (U.S. only)
Specifications (continued)
Logger
Operating Range
-40° to 70°C (-40° to 158°F)
Radio Power
1 mW (0 dBm)
Transmission Range
Approximately 30.5 m (100 ft) line-of-sight
Wireless Data Standard
Bluetooth Low Energy (Bluetooth Smart)
Logging Rate
1 second to 18 hours
Logging Modes
Fixed interval (normal, statistics) or burst
Memory Modes
Wrap when full or stop when full
Start Modes
Immediate, push button, date & time, or next interval
Stop Modes
When memory full, push button, date & time, or after a set logging
period
Time Accuracy
±1 minute per month 0° to 50°C (32° to 122°F)
Battery Type
2/3 AA 3.6 Volt lithium, user replaceable
Battery Life
2 years, typical with logging interval of 1 minute and Bluetooth Always
On enabled; 5 years, typical with logging interval of 1 minute and
Bluetooth Always On disabled. Faster logging intervals and statistics
sampling intervals, burst logging, remaining connected with the app,
excessive downloads, and paging may impact battery life.
Memory
MX2301A and MX2302A: 128 KB (63,488 measurements, maximum)
MX2303, MX2304, and MX2305: 128 KB (84,650 measurements,
maximum)
Full Memory Download Time
Approximately 60 seconds; may take longer the further the device is
from the logger
Dimensions
Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.)
External temperature sensor diameter: 0.53 cm (0.21 in.)
External temperature/RH sensor diameter: 1.17 cm (0.46 in.)
External sensor cable length: 2 m (6.56 ft)
Solar radiation shield bracket: 10.8 x 8.3 cm (4.25 X 3.25 in.)
Weight
Logger: 75.5 g (2.66 oz)
Solar radiation shield bracket: 20.4 g (0.72 oz)
Materials
Acetal, silicone gasket, stainless steel screws
Environmental Rating
NEMA 6 and IP67
The CE Marking identifies this product as complying with all relevant
directives in the European Union (EU).
See last page
*Per RH sensor manufacturer data sheet