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InTemp CX405 RTD Dry Ice Logger Manual 

1-508-759-9500 (U.S. and International) 4 

www.onsetcomp.com 

1-800-LOGGERS (U.S. only) 

Logger Alarms 

You can set up an alarm to trip on the logger when the  
temperature reading falls above or below a specified value. 
Specific alarm settings are set in the logger profile that you 
create in either InTempConnect or in the app. 

When an alarm trips: 

 

The logger LED will blink every 5 seconds. 

 

The alarm icon will appear on the LCD and in the app. 

 

The logger will beep every 15 seconds (unless audible 
alarms are disabled in the logger profile). 

 

An Alarm Tripped event is logged. 

To mute a beeping alarm, press the Mute button on the logger. 
Once muted, you cannot turn the beeping back on. 

Download the logger to view details about a tripped alarm and 
to clear alarm indicators in the app and on the LCD. 

Passkey Protection 

The logger is protected by an encrypted passkey automatically 
generated by the InTemp app for InTempConnect users and 
optionally available if you are using the InTemp app only. The 
passkey uses a proprietary encryption algorithm that changes 
with every connection. 

InTempConnect Users 

Only InTempConnect users belonging to the same 
InTempConnect account can connect to a logger once it is 
configured. When an InTempConnect user first configures a 
logger, it is locked with an encrypted passkey that is 
automatically generated by the InTemp app. After the logger is 
configured, only active users associated with that account will 
be able to connect to it. If a user belongs to a different account, 
that user will not be able to connect to the logger with the 
InTemp app, which will display an invalid passkey message. 
Administrators or users with the required privileges can also 
view the passkey from the device configuration page in 
InTempConnect and share them if needed. See 
www.intempconnect.com/help for more details. 

InTemp App Only Users 

If you are using the InTemp app only (not logging in as an 
InTempConnect user), you can create an encrypted passkey for 
the logger that will be required if another phone or tablet 
attempts to connect to it. This is recommended to ensure that 
a deployed logger is not mistakenly stopped or purposely 
altered by others. 

To set a passkey: 

1.

 

Tap the Devices icon and connect to the logger. 

2.

 

Tap Set Logger Passkey. 

3.

 

Type a passkey up to 10 characters. 

4.

 

Tap Save. 

5.

 

Tap Disconnect. 

Only the phone or tablet used to set the passkey can then 
connect to the logger without entering a passkey; all other 
mobile devices will be required to enter the passkey. For 
example, if you set the passkey for the logger with your tablet 
and then try to connect to the device later with your phone, 
you will be required to enter the passkey on the phone but not 

with your tablet. Similarly, if others attempt to connect to the 
logger with different devices, then they would also be required 
to enter the passkey. To reset a passkey, simultaneously press 
both the top and bottom button on the logger for 3 seconds, or 
connect to the logger, tap Set Logger Passkey, and select Reset 
to Factory Default. 

Downloading the Logger 

You can download the logger to a phone or tablet and generate 
reports that include logged probe and ambient readings, 
events, user activity, alarm information, and more. Reports can 
be shared immediately upon download or accessed later in the 
InTemp app.  

InTempConnect users:

 Privileges are required to download, 

preview, and share reports in the InTemp app. Report data is 
automatically uploaded to InTempConnect when you download 
the logger. Log into InTempConnect to build custom reports 
(requires privileges). In addition, InTempConnect users can also 
download CX loggers automatically on a regular basis using the 
CX5000 Gateway (see www.intempconnect/help). 

To download the logger with the InTemp app: 

1.

 

Tap the Devices icon and connect to the logger. 

2.

 

Tap Download. 

3.

 

Choose a download option: 

 

Download & Continue. The logger will continue logging 
once the download is complete. 

 

Download & Restart. The logger will start a new data set 
using the same profile once the download is complete. 

 

Download & Stop. The logger will stop logging once the 
download is complete. 

A report of the download is generated and is also uploaded to 
InTempConnect if you are logged into the InTemp app with 
your InTempConnect user credentials. 

In the app, tap Settings to change the default report type and 
report sharing options. The report is also available in Secure 
PDF, XLSX, and VFC CSV (if enabled) formats for sharing at a 
later time. Tap the Reports icon to access previously 
downloaded reports. See www.intempconnect.com/help for 
details on working with reports in both the InTemp app and 
InTempConnect. 

Performing Logger Checks 

If your monitoring application requires that you perform daily 
or twice daily checks of the logger, you can use the InTemp app 
to connect to the logger and perform a check. 

To enable the perform check feature in the InTemp app (if you 
are not using InTempConnect): 

1.

 

Tap the Settings icon. 

2.

 

Under Record CX400 Logger Checks, select either Once 
Daily or Twice Daily. If you choose Twice Daily, a Perform 
Morning Check action will be listed in the Connected screen 
from 12:01 AM until 12:00 PM and then a Perform 
Afternoon Check action will be listed from 12:01 PM to 
12:00 AM. If you choose Once Daily, an action will be listed 
in the Connected screen to Perform Daily Check. 

To enable the perform check feature if you are using 
InTempConnect, an administrator or user with the required 

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