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The HOBO MX2301 is a weatherproof data logger with built-in temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
iOS Compatible App downloadable from the App Store®.
|
Temperature Sensor |
|
|
Range |
MX2301 and MX2305 internal sensors: -40 to 70°C (-40 to 158°F) |
|
Accuracy |
±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F) |
|
Resolution |
0.04°C (0.072°F) |
|
Drift |
<0.01°C (0.018°F) per year |
|
RH Sensor (MX2301, MX2302 only) |
|
|
Range |
0 to 100% RH, -40° to 70°C (-40° to 158°F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1% |
|
Accuracy |
±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% RH and above 90% RH ±5% typical |
|
Resolution |
0.05% |
|
Drift |
<1% per year typical |
| Response Time Temperature | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
|
MX2301 internal sensor |
17 minutes in air moving 1 m/sec |
24 minutes in air moving 1 m/sec |
N/A |
||||
|
MX2302 external sensor |
2 minutes, 30 seconds in air moving 1 m/sec |
6 minutes in air moving 1 m/sec |
5 minutes in air moving 1 m/sec |
||||
|
MX2303/MX2304 external sensors |
3 minutes in air moving 1 m/sec; 20 seconds in stirred water |
7 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
||||
|
MX2305 internal sensor |
17 minutes in air moving 1 m/sec |
24 minutes in air moving 1 m/sec |
N/A |
| Response Time RH | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
|
MX2301 internal sensor |
1 minute in air moving 1 m/sec |
1 minute in air moving 1 m/sec |
N/A |
||||
|
MX2302 external sensor |
4 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
|
Logger |
|
|
Radio Power |
1 mW (0 dBm) |
|
Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
|
Wireless Data Standard |
Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
|
Logger Operating Range |
-40° to 70°C (-40° to 158°F) |
|
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 Power Saving Mode disabled; |
|
Memory |
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.) |
|
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). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
The HOBO MX2301 is a weatherproof data logger with built-in temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
iOS Compatible App downloadable from the App Store®.
|
Temperature Sensor |
|
|
Range |
MX2301 and MX2305 internal sensors: -40 to 70°C (-40 to 158°F) |
|
Accuracy |
±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F) |
|
Resolution |
0.04°C (0.072°F) |
|
Drift |
<0.01°C (0.018°F) per year |
|
RH Sensor (MX2301, MX2302 only) |
|
|
Range |
0 to 100% RH, -40° to 70°C (-40° to 158°F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1% |
|
Accuracy |
±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% RH and above 90% RH ±5% typical |
|
Resolution |
0.05% |
|
Drift |
<1% per year typical |
| Response Time Temperature | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
|
MX2301 internal sensor |
17 minutes in air moving 1 m/sec |
24 minutes in air moving 1 m/sec |
N/A |
||||
|
MX2302 external sensor |
2 minutes, 30 seconds in air moving 1 m/sec |
6 minutes in air moving 1 m/sec |
5 minutes in air moving 1 m/sec |
||||
|
MX2303/MX2304 external sensors |
3 minutes in air moving 1 m/sec; 20 seconds in stirred water |
7 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
||||
|
MX2305 internal sensor |
17 minutes in air moving 1 m/sec |
24 minutes in air moving 1 m/sec |
N/A |
| Response Time RH | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
|
MX2301 internal sensor |
1 minute in air moving 1 m/sec |
1 minute in air moving 1 m/sec |
N/A |
||||
|
MX2302 external sensor |
4 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
4 minutes in air moving 1 m/sec |
|
Logger |
|
|
Radio Power |
1 mW (0 dBm) |
|
Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
|
Wireless Data Standard |
Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
|
Logger Operating Range |
-40° to 70°C (-40° to 158°F) |
|
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 Power Saving Mode disabled; |
|
Memory |
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.) |
|
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). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
