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HOBO® MX Analog/Temp/RH/Light (MX1104) and
MX 4‐Channel Analog (MX1105) Data Logger Manual
MX1105 Model Shown
HOBO MX1104 and
MX1105 Data Loggers
Models:
Analog/Temp/RH/Light
(MX1104)
4‐Channel Analog
(MX1105)
Included Items:
Tie wraps
Two AAA 1.5 V alkaline
batteries (installed)
Required Items:
HOBOmobile app
Device with iOS and
Bluetooth
23968‐B
The HOBO MX Analog/Temp/RH/Light (MX1104) and HOBO MX 4‐Channel Analog (MX1105)
data loggers measure and transmit data wirelessly from indoor environments to mobile devices
using Bluetooth® Low Energy technology. The MX1104 model has integrated temperature,
relative humidity (RH), and light intensity sensors and one analog input while the MX1105
model has four analog inputs. Both models support a wide variety of external sensors (sold
separately), including self‐describing temperature, split‐core AC current transformer, 4‐20 mA
input, and DC voltage input sensors. The self‐describing sensors are designed with integrated
strain relief for a secure connection to the loggers and are automatically detected by the
HOBOmobile app for easy setup. Using the app, you can configure the loggers, read out and
view data, and export the data for further analysis. The loggers can calculate minimum,
maximum, average, and standard deviation statistics and can also be configured to trip audible
or visual alarms at thresholds you specify. In addition, both loggers support burst logging in
which data is logged at a different interval when sensor readings are above or below certain
limits. These compact loggers also have built‐in LCD screens to display current sensor readings,
logging status, battery use, memory consumption, and more.
Specifications
Temperature Sensor (MX1104)
Range
Accuracy
Resolution
Drift
RH Sensor* (MX1104)
Range
Accuracy
Resolution
Drift
Response Time (MX1104)
Temperature
RH
Light Sensor (M1104)
Range
Accuracy
Logger with
SD‐MA‐420 or
Cable Type
CABLE‐4‐
20mA
Measurement
0 to 20.1 mA
Range
Accuracy
±0.001 mA
±0.2% of
reading
Resolution
0.3 µA
Logger
Operating Range
Radio Power
‐20° to 70°C (‐4° to 158°F)
±0.20°C from 0° to 50°C (±0.36°F from 32° to 122°F)
0.002°C at 25°C (0.004°F at 77°F)
<0.1°C (0.18°F) per year
0% to 100% at ‐20° to 70°C (‐4° to 158°F); exposure to conditions
above 95% may temporarily increase the maximum RH sensor error
by an additional 1%
±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including
hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical
0.01%
<1% per year typical
11 minutes in air moving 1 m/s (2.2 mph)
30 seconds to 90% in airflow of 1 m/s (2.2 mph)
2
0 to 167,731 lux (15,582 lum/ft
)
±10% typical for direct sunlight (see Light Measurement on page 4 for
more details)
SD‐VOLT‐2.5
SD‐VOLT‐05
or CABLE‐2.5‐
or CABLE‐
STEREO
ADAP5
0 to 2.5 V
0 to 5.0 V
±0.1 mV
±0.2 mV
±0.1% of
±0.3% of
reading
reading
40 µV
80 µV
‐20° to 70°C (‐4° to 158°F)
1 mW (0 dBm)
SD‐VOLT‐10
SD‐VOLT‐24
or CABLE‐
or CABLE‐
ADAP10
ADAP24
0 to 10 V
0 to 24 V
±0.4 mV
±1.0 mV
±0.3% of
±0.3% of
reading
reading
160 µV
384 µV
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Related Manuals for Hobo MX1104
Summary of Contents for Hobo MX1104
- Page 1 HOBO® MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Data Logger Manual The HOBO MX Analog/Temp/RH/Light (MX1104) and HOBO MX 4‐Channel Analog (MX1105) data loggers measure and transmit data wirelessly from indoor environments to mobile devices using Bluetooth® Low Energy technology. The MX1104 model has integrated temperature, relative humidity (RH), and light intensity sensors and one analog input while the MX1105 model has four analog inputs. Both models support a wide variety of external sensors (sold separately), including self‐describing temperature, split‐core AC current transformer, 4‐20 mA input, and DC voltage input sensors. The self‐describing sensors are designed with integrated strain relief for a secure connection to the loggers and are automatically detected by the MX1105 Model Shown HOBOmobile app for easy setup. Using the app, you can configure the loggers, read out and view data, and export the data for further analysis. The loggers can calculate minimum, maximum, average, and standard deviation statistics and can also be configured to trip audible or visual alarms at thresholds you specify. In addition, both loggers support burst logging in which data is logged at a different interval when sensor readings are above or below certain limits. These compact loggers also have built‐in LCD screens to display current sensor readings, HOBO MX1104 and logging status, battery use, memory consumption, and more. MX1105 Data Loggers Specifications Models: Analog/Temp/RH/Light Temperature Sensor (MX1104) (MX1104) Range ‐20° to 70°C (‐4° to 158°F) 4‐Channel Analog (MX1105) Accuracy ±0.20°C from 0° to 50°C (±0.36°F from 32° to 122°F) Included Items: Resolution 0.002°C at 25°C (0.004°F at 77°F) Tie wraps Drift ...
- Page 2 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual Specifications (continued) 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 Restart Mode Push button Time Accuracy ±1 minute per month at 25°C (77°F) Battery Type Two AAA 1.5 V alkaline batteries, user replaceable Battery Life 1 year, typical with logging interval of 1 minute and Bluetooth Always On enabled; 2 years, typical with logging interval of 1 minute and Bluetooth Always On disabled; and temperatures between 0° and 50°C (32° and 122°F). Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. Memory 4 MB (1.9 million measurements, maximum) Full Memory Download Time Approximately 4 to 15 minutes depending on the mobile device; may take longer the further the device is from the logger LCD LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range Size ...
- Page 3 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual You can also press the top button for 1 second to wake up the LCD Symbol Description logger, bring the logger to the top of the list in HOBOmobile, Statistics are being logged. Press the bottom cycle through each channel on the LCD, silence a beeping alarm button to switch between the current sensor (see Setting up Alarms), and turn the LCD screen on if the readings, statistics, and any alarm readings for each channel. option to turn off the LCD has been enabled (see Setting up the These symbols show the maximum, minimum, Logger). average, and standard deviation values most Bottom Button: When statistics are being logged, press this recently calculated by the logger (if the logging button for 1 second to switch between the latest sensor mode has been set to Fixed Interval in reading, statistics, and an alarm reading (if applicable) for the HOBOmobile and each statistic has been selected; channel currently displayed. If no statistics are being logged see Statistics Logging). Press the bottom button to and a sensor alarm trips, press this button for 1 second to view cycle through the available statistics and then back to the current sensor reading (or to the alarm the alarm reading for the channel currently displayed. You can value if applicable). also press this button for 1 second to wake up the logger, The battery indicator shows the approximate silence a beeping alarm, or turn the LCD screen on if the option battery power remaining. to turn off the LCD has been enabled. Press this button for 3 The logger has been configured to stop logging ...
- Page 4 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual LCD Symbol Description Press and Press and hold for hold for 10 This is an example of a sensor reading, with the Button Press for 1 second to: 3 seconds to: seconds to: latest reading displayed above the unit type for that sensor. To switch between US and SI units, Cycle through any Bottom Clear an alarm NA change the units in the HOBOmobile Settings (the statistics and alarm button for the logger must be reconfigured for units changes to readings for the channel take effect). Note: If the sensor value exceeds five channel currently currently digits, then the scientific notation E3 is appended displayed (if displayed to the value on the LCD to signify that the applicable) (depending on displayed digits are multiplied by 1,000. For Wake up the logger the settings ...
- Page 5 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual If your device can connect to the logger intermittently or loses its connection, move closer to the logger, within sight if possible. Change the orientation of your phone or tablet to ensure the antenna in your device is pointed toward the logger. Obstacles between the antenna in the device and the logger may result in intermittent connections. If the logger appears in the In Range list, but you cannot connect to it, close HOBOmobile and power cycle the mobile device. This forces the previous Bluetooth connection to close. Once connected to the logger, you can select one of the following actions: Configure. Select logger settings and load them onto the logger to start logging. See Setting up the Logger. Readout. Offload logger data. See Reading Out the Plot B Logger. Full Status Details. Check the battery level and view the The MX1104 is also calibrated to give best results in the sunlight. Because artificial indoor and outdoor lights have configuration settings currently selected for the logger. different spectral properties than sunlight, the MX1104 may Start Logging or Restart Logging. These options appear show an error of greater than ±10% when compared to a depending on the Start Logging and Stop Logging settings commercially available lux meter in these situations. Multiple selected in the next section. MX1104 loggers, however, will typically exhibit ±10% Stop Logging. Stop the logger from recording data (this ...
- Page 6 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual Never (Wrap When Full). The logger will continue to offload all the data on the logger before reconfiguring it. recording data indefinitely, with newest data overwriting the oldest. This option is not available if Setting up the Logger the Logging Mode is set to Burst (see Burst Logging). Use HOBOmobile to set up the logger, including setting alarms, b. Select On Button Push if you want to be able to stop selecting the options to start and stop logging, and choosing a logging by pushing the top button on the logger for 3 logging mode. These steps provide an overview of setting up seconds. Note that if you also choose On Button Push for the logger. For complete details, see the HOBOmobile User’s the Start Logging option, then you will not be able to stop Guide at www.onsetcomp.com/manuals/17841‐hobomobile‐ logging until 30 seconds after logging begins. users‐guide. If you select On Button Push for the Stop Logging option, 1. If you are using an analog sensor, insert the sensor plug into then you also have the option to select Allow Button the sensor port. For self‐describing sensors, turn the sensor Restart. This allows you to stop and then resume logging plug one‐quarter clockwise until it stops. See Working with during the deployment by pushing the top button on the External Sensors for more details. logger for 3 seconds. 2. Tap the Devices icon and then tap Loggers at the top of the Important: When Allow Button Restart is selected and screen. Tap the logger to connect to it. If the logger was you use the top button on the logger to stop and restart configured with Bluetooth Always On disabled, press a logging, logging will restart on the next even logging button on the logger to wake it up. When working with interval, not at the time the button was pushed. For ...
- Page 7 “Error Configuring Logger” message appears in HOBOmobile, then enter the Series Name, Unit, and values for High and an error occurred while loading the configure settings onto Low and then tap Done. See Setting up Alarms for details on the logger. Try reconfiguring the logger. adding alarms. Tap Done in the sensor configuration screen to save all sensor changes. Working with External Sensors 9. Tap Start in the Configure screen to load the settings onto the logger if you are ready to start. The MX1104 has one analog sensor port and the MX1105 has Notes: four analog sensor ports that can accept self‐describing and other external sensors. Refer to www.onsetcomp.com for a For MX1104 loggers, an external sensor is channel 1. For current list of supported sensors. MX1105 loggers, the sensor channel number is listed To connect an external sensor: above the analog sensor port where the external sensor is connected. 1. Make sure the logger is stopped. The Configure screen in HOBOmobile will automatically 2. For self‐describing sensors, insert the plug into an analog update to show when a sensor is disconnected or sensor port as shown. connected. a. b. Make sure you select the correct sensor type in HOBOmobile if you are not using self‐describing sensors. If you select the wrong type, then incorrect data will be ...
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Page 8: Setting Up Alarms
HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual Do not swap out sensors or move sensors to empty ports multiple loggers, you can press the top button on the logger while the logger is logging. Stop the logger before making to bring it to the top of the list. any physical changes to the sensors. 2. Once connected, tap Configure. If a warning icon appears for a self‐describing sensor and 3. In Sensor & Alarm Setup, tap an enabled sensor. you have checked that the correct sensor is properly 4. Tap Alarms in the sensor configuration screen. installed, then the sensor might be faulty. Contact Onset 5. Enable the High Alarm if you want an alarm to trip when the Technical Support. sensor reading rises above the high alarm value. Drag the The 4‐20mA input cable (SD‐MA‐420 or CABLE‐4‐20mA) slider to the reading that will trip the alarm or tap the value measures current from 0 to 20.1 mA. Do not expose to field and type a specific reading. In the following example, a current above 20 mA or to negative current. Do not cut temperature sensor alarm will trip when the temperature off the end of the gray cable where it connects to the rises above 85°F. blue and yellow wires as it contains the precision resistor required for current measurement. If you are using the SD‐VOLT‐2.5 or CABLE‐2.5‐STEREO voltage input cable, the input line must not be exposed to signals below 0 V or above 2.5 V. The voltage input cable connections are as follows: Wire Connection Red ... - Page 9 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual slightly reduced when this setting is enabled. It is Burst Logging recommended that you only enable this feature if you have Burst logging is a logging mode that allows you to set up more regular access to the logger so that you can easily turn off frequent logging when a specified condition is met. For the beeping. example, a logger is recording data at a 5‐minute logging 12. Also in the Configure screen, select one of the following interval and burst logging is configured to log every 30 seconds options to determine how long the alarm icon will remain for a temperature sensor when the temperature rises above illuminated on the logger LCD screen after an alarm trips: 85°F (the high limit) or falls below 32°F (the low limit). This Logger Reconfigured. The alarm icon will remain visible means the logger will record data every 5 minutes as long as on the LCD until the next time the logger is reconfigured. the temperature remains between 32°F and 85°F. Once the temperature rises above 85°F, the logger will switch to the Sensor in Limits. The alarm icon will remain visible on the faster logging rate and record data every 30 seconds until the LCD until the sensor reading returns to the normal range temperature falls back to 85°F. At that time, logging then between any configured high and low alarm limits. resumes every 5 minutes at the normal logging interval. Alarm Button Pressed. The alarm icon will remain visible Similarly, if the temperature falls below 32°F, then the logger until you press the bottom button on the logger. would switch to burst logging mode again and record data 13. Tap Start in the Configure screen to load the alarm settings every 30 seconds. Once the temperature rises back to 32°F, the onto the logger if you are ready to start. logger will then return to normal mode, logging every 5 minutes. Note: Sensor alarms, statistics, and the Stop Logging ...
- Page 10 HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual 10. Tap Start in the Configure screen to load the burst settings the logger will measure and record the actual temperature and onto the logger if you are ready to start. RH sensor values every 5 minutes. In addition, the logger will take a temperature and RH sample every 30 seconds and Notes: temporarily store them in memory. The logger will then Burst limits are checked at the same rate as the logging calculate the maximum, minimum, average, and standard interval. When the logger enters burst logging mode, the deviation using the samples gathered over the previous 5‐ LCD will update at the same rate as the new burst logging minute period and log the resulting values. When reading out interval. the logger, this would result in 10 data series (not including any If high and/or low limits have been configured for more derived series, such as dew point): two sensor series (with than one sensor, then burst logging will begin when any temperature and RH data logged every 5 minutes) plus eight high or low condition goes out of range. Burst logging will maximum, minimum, average, and standard deviation series not end until all conditions on all sensors are back within (four for temperature and four for RH with values calculated normal range. and logged every 5 minutes based on the 30‐second sampling). The actual values for the burst logging limits are set to To log statistics: the closest value supported by the logger. 1. Tap the Devices icon and then tap Loggers at the top of the Burst logging mode can begin or end when the sensor screen. Tap the logger to connect to it. If the logger was reading is within the specifications. This means the value configured with Bluetooth Always On disabled, press a ...
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Page 11: Battery Information
HOBO MX Analog/Temp/RH/Light (MX1104) and MX 4‐Channel Analog (MX1105) Manual Reading Out the Logger Protecting the Logger To offload data from the logger: The logger is designed for indoor use and can be permanently damaged by corrosion if it gets wet. Protect it from 1. Tap the Devices icon and then tap Loggers at the top of the condensation. screen. Tap the logger to connect to it. If the logger was configured with Bluetooth Always On disabled, press a Note: Static electricity may cause the logger to stop logging. button on the logger to wake it up. When working with The logger has been tested to 8 KV, but avoid electrostatic multiple loggers, you can press the top button on the logger discharge by grounding yourself to protect the logger. For more to bring it to the top of the list. information, search for “static discharge” on onsetcomp.com. 2. Once connected, tap Readout. Battery Information 3. Tap the Data Files icon to view a mini‐graph of the The logger requires two user‐replaceable AAA 1.5 V alkaline or offloaded data. optional lithium batteries for operation at the extreme ends of 4. Tap the mini‐graph to view a larger version of the graph or the logger operating range. Battery life is 1 year, typical with a to share the file. logging interval of 1 minute, but may be extended to 2 years Data can also be uploaded automatically to HOBOlink, Onset’s when the logger is configured with Bluetooth Always On web‐based software, via HOBOmobile or the HOBO MX disabled. Expected battery life varies based on the ambient Gateway. For details on uploading data to HOBOlink, see the temperature where the logger is deployed, the logging or HOBOmobile User’s Guide. sampling interval, frequency of offloading and connection to the mobile device, number of channels that are active, audible ... - Page 12 Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. To comply with FCC and Industry Canada RF radiation exposure limits for general population, the logger must be installed to provide a separation distance of at least 20cm from all persons and must not be co‐located or operating in conjunction with any other antenna or transmitter. © 2019 Onset Computer Corporation. All rights reserved. Onset, HOBO, HOBOmobile, and HOBOlink are registered trademarks of Onset Computer Corporation. Apple is a registered trademark and App Store is a 1‐800‐LOGGERS (564‐4377) • 508‐759‐9500 service mark of Apple Inc. Bluetooth and Bluetooth Smart are registered trademarks of Bluetooth SIG, Inc. All www.onsetcomp.com/support/contact ...