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HOBO Pendant MX Temp (MX2201) and Temp/Light (MX2202) Logger Manual 

1-800-LOGGERS 4 

 

On Next Logging Interval. 

Logging will begin at the next 

even interval as determined by the selected logging 
interval. 

 

On Button Push.

 Logging will begin once you press the 

circle on the logger for 3 seconds. 

 

On Date/Time.

 Logging will begin at a date and time you 

specify. Select the Date and time and tap Done. 

Tap Done in the Start Logging screen. 

8.

 

Tap Stop Logging and select the options for when logging 
will end. 

a.

 

Choose one of two memory options: 

 

When Memory Fills. 

The logger will continue recording 

data until the memory is full. 

 

Never (Wrap When Full).

 The logger will continue 

recording data indefinitely, with newest data 
overwriting the oldest. 

b.

 

Select On Button Push if you want to be able to stop 
logging by pushing the circle on the logger for 3 seconds. 
Note that if you also choose On Button Push for the Start 
Logging option, then you will not be able to stop logging 
until 30 seconds after logging begins. 

c.

 

Select one of the following time options for when to stop 
logging: 

 

Never. 

Select this if you do not want the logger to stop 

at any predetermined time frame. 

 

On Date/Time.

 Select this if you want the logger to 

stop logging on a specific date and time. Select the 
date and time and then tap Done. 

 

After.

 Select this if you want to control how long the 

logger should continue logging once it starts. Choose 
the amount of time you want the logger to log data 
and then tap Done. For example, select 30 days if you 
want the logger to log data for 30 days after logging 
begins. 

d.

 

Tap Done in the Stop Logging screen. 

9.

 

For the Pendant MX Temp/Light (MX2202) logger, both the 
temperature and light sensors are enabled by default. 
Disable one if desired. 

10.

 

You can set up alarms to trip when a sensor reading rises 
above or falls below a specified value. See 

Setting up Alarms

 

for details on enabling sensor alarms. 

11.

 

Tap Logging Mode. Select either fixed interval logging or 
burst logging. With fixed interval logging, the logger records 
data for all enabled sensors and/or selected statistics at the 
logging interval selected (see 

Statistics Logging

 for details 

on choosing statistics options). In burst mode, logging 
occurs at a different interval when a specified condition is 
met. See 

Burst Logging

 for more information. Tap Done. 

12.

 

Enable or disable Show LED. If Show LED is disabled, the 
alarm and status LEDs on the logger will not be illuminated 
while logging (the alarm LED will not blink if an alarm trips). 
You can temporarily turn on LEDs when Show LED is 
disabled by pressing the circle on the logger for 1 second. 

13.

 

Enable or disable Bluetooth Always Off. When this option is 
disabled, the logger will “advertise” or regularly send out a 
Bluetooth signal for the phone or tablet to find via 
HOBOmobile while it is logging, which uses battery power. 
When this option is enabled, the logger will only advertise 
during logging when you press the circle on the logger to 
wake it up, thereby preserving as much battery power as 
possible. 

14.

 

Tap Start in the upper right corner of the Configure screen 
to load the settings onto the logger. 

 

Logging will begin based on the settings you selected. See 

Deploying and Mounting the Logger

 for details on mounting 

and see 

Reading Out the Logger 

for details on downloading. 

Setting up Alarms 

You can set up alarms for the logger so that if a sensor reading 
rises above or falls below a specified value, the logger alarm 
LED will blink and an alarm icon will appear in the app. This can 
alert you to problems so you can take corrective action. 

To set an alarm: 

1.

 

Tap the HOBOs icon and tap the logger to connect to it. If 
the logger was configured with Bluetooth Always Off 
enabled, press the circle on the logger to wake it up. 

2.

 

Once connected, tap Configure. 

3.

 

In Sensor & Alarm Setup, tap an enabled sensor. 

4.

 

Enable the High Alarm if you want an alarm to trip when the 
sensor reading rises above the high alarm value. Drag the 
slider to the reading that will trip the alarm or tap the value 
field and type a specific reading. In the example, an alarm 
will trip when the temperature rises above 85°F. 

 

5.

 

Enable the Low Alarm if you want an alarm to trip when the 
sensor reading falls below the low alarm value. Drag the 
slider to the reading that will trip the alarm or tap the value 

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Summary of Contents for Pendant MX Temp

Page 1: ...positive Waterproof To 30 5 m 100 ft 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 seco...

Page 2: ...stop logging Press this circle for 10 seconds to reset a password Note The circle on the front of the logger represents the button area on the logger You will not feel an actual button push when you p...

Page 3: ...ice attempts to connect to it To reset a password connect to the logger tap Set Logger Passkey and select Reset to Factory Default You can also press the circle on the logger for 10 seconds to reset t...

Page 4: ...interval selected see Statistics Logging for details on choosing statistics options In burst mode logging occurs at a different interval when a specified condition is met See Burst Logging for more i...

Page 5: ...hat triggers the alarm may differ slightly than the value entered For example if the High Alarm is set to 75 999 F the alarm can trip when the sensor reading is 75 994 F which is within the range of t...

Page 6: ...or lowest sampled value An average of all sampled values and The standard deviation from the average for all sampled values For example a Pendant MX Temp Light MX2202 logger is configured with both t...

Page 7: ...ng events to track logger operation and status To plot events in HOBOmobile tap a mini graph and then tap Select the events you wish to plot and then tap again You can also view events in shared or ex...

Page 8: ...nterval of 1 minute and Bluetooth Always Off disabled or 2 years typical at 25 C 77 F when the logger is configured with Bluetooth Always Off enabled Expected battery life varies based on the ambient...

Page 9: ...n If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interferen...

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