HOBO® MX Temp/RH Data Logger (MX1101) Manual
17840-N
The HOBO MX Temp/RH data logger records and transmits temperature and relative humidity
(RH) in indoor environments with its integrated sensors. This Bluetooth® Low Energy-enabled
logger is designed for wireless communication with a mobile device. Using the HOBOmobile®
app, you can easily configure the logger, read it out, and view data on your phone or tablet, or
export the data for further analysis. The logger can calculate minimum, maximum, average, and
standard deviation statistics and be configured to trip audible or visual alarms at thresholds you
specify. The logger also supports burst logging in which data is logged at a different interval
when sensor readings are above or below certain limits. This compact data logger also has a
built-in LCD screen to display the current temperature, relative humidity, logging status, battery
use, memory consumption, and more.
Specifications
Temperature Sensor
Range -20° to 70°C (-4° to 158°F)
Accuracy ±0.21°C from 0° to 50°C (±0.38°F from 32° to 122°F), see Plot A
Resolution 0.024°C at 25°C (0.04°F at 77°F), see Plot A
Drift <0.1°C (0.18°F) per year
RH Sensor*
Range 1% to 90% (non-condensing)
Accuracy ±2% from 20% to 80% typical to a maximum of ±4.5% including
hysteresis at 25°C (77°F); below 20% and above 80% ±6% typical
Resolution 0.01%
Drift <1% per year typical
Response Time
Temperature 7:30 minutes in air moving 1 m/s (2.2 mph)
RH 20 seconds to 90% in airflow of 1 m/s (2.2 mph)
Logger
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)
Logger Operating Range -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing)
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
Restart Mode Push button
Time Accuracy ±1 minute per month at 25°C (77°F), see Plot B
Battery Life 1 year, typical with logging interval of 1 minute. Faster logging and/or
statistics sampling intervals, entering burst logging mode, and
remaining connected with HOBOmobile will impact battery life.
Excessive readouts, checking of Full Status Details, audible alarms,
and paging all impact battery life. Visual alarms and other events can
have a marginal impact on battery life.
Battery Type Two AAA 1.5 V alkaline batteries, user replaceable
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
*Per RH sensor manufacturer data sheet
HOBO MX Temp/RH
Data Logger
Models: MX1101
MX1101-01 (Japan
and Korea)
Included Items:
• Command™ strip
• Double-sided tape
• Hook & loop strap
• Two AAA 1.5 V alkaline
batteries
Required Items:
• HOBOmobile app
• Device with iOS or
Android™ and Bluetooth
To Next Page
Need help?
General
