Fluke Comark Diligence 600 User manual

20849-2 | October 2022
Copyright © 2022 Comark Instruments
NEW!

1. Understanding The Transmitter
1.1 WiFi Button
1.2 Action Button
1.3 Buzzer (Not Shown)
1.4 Alarm LED (Red)
1.5 Activity LED (Green)
1.6 Infrared LEDs
1.7 WiFi Signal Icon
1.8 Fault Alert Icon
1.9 Scale Selected
1.10 Low Battery Indicator Icon
1.11 Power & Diagnostic LEDs
1.12 Mounting Plate & Mounting Bracket
1.13 Current Active Channel
1.13.1 Door Event Sensor
1.14 Alarm Active Icon
1.15 High/Low Alarm Icons
1.16 Door Sensor Alert Icon
1.17 Action Icons
1.18 The Lumberg Probe Socket
1.19 The Power & Door Sensor Sockets
2. Operating The Transmitter
2.1 WiFi Button
2.2 Action Button
2.3 Main LCD Display
2.4 Setup With Quick Start Guide (QSG)
2.4.1 Error Messages During Setup
3. Locations & Alarm Groups
3.1 Locations & Alarm Groups Overview
3.2 Adding New Locations & Alarm Groups
3.3 Adding Viewers & Subscribers
4. Transmitter Tasking
4.1 Tasking Overview
4.2 Data Periods
4.3 Task Defaults
4.4 Channel Selection
4.5 Alarm Programming
4.6 Scale Mapping
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5. Alarms
5.1 High & Low Alarms
5.2 High & Low Alerts (Optional)
5.3 Alarm Delay (Optional)
5.4 Temperature Alarm Limits
5.5 Alarm Triggers
5.6 Transmitter Alarms
5.7 Multi-Parameter Alarm Limits
5.8 Displayed Alarms
5.9 Door Sensor Alarm
5.9.1 Continuous Door Open
5.9.2 Average Door Open
5.9.3 Displayed Door Sensor Alarms
5.9.4 Door Sensor Trigger
5.9.5 Auto-Latching Alarms
6. Logging Modes
6.1 Auto-Start
6.2 Manual Start
6.3 Event Logging
7. Troubleshooting
7.1 WiFi Connectivity
7.1.1 Checking The WiFi Signal Strength (Survey Mode)
7.1.2 WiFi Network Not Discoverable
7.1.3 Transmitter Not Connecting To WiFi Network
7.1.4 Changing WiFi Access Points
7.1.5 Provoking The Transmitter
7.1.6 Connection To The Diligence Cloud
7.1.7 Transmitter Unable To Send Data
7.2 Battery Life & Battery Type
7.3 Battery Replacement
7.4 Restarting A Transmitter
7.5 Resetting A Transmitter To Factory Defaults
7.6 Error Messages
7.7 Fault Codes
7.8 Setup Mode Advanced Features
7.8.1 Server Settings
7.8.2 Enterprise WiFi Settings
7.8.3 Log Files
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8. Firmware Updates
8.1 File Preparation
8.2 Firmware Update Process
9. Accessories
9.1 Mains Power Supply Unit (PSU)
9.2 External Probes
9.3 Door Event Sensors
9.4 Probe Adaptors
10. Diligence Cloud Licence Plans
11. Models and Features
11.1 WiFi Temperature Transmitter (RF612)
11.2 WiFi Temperature and Humidity Transmitter (RF613)
11.3 WiFi Thermocouple Transmitter (RF614)
11.4 WiFi Multi-Parameter Transmitter (RF615)
11.5 WiFi PT100 Temperature Transmitter (RF616)
11.6 WiFi Transmitters (All Models)
12. Glossary of Terms
13. Frequently Asked Questions (FAQs)
14. User Notes
15. Warranty
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The WiFi Button has several functions:
1. Press and hold for one second. The connection to the WiFi could take up to a minute
from the button press. The Activity LED (Green) will flash as it attempts to connect to
the Diligence Cloud. The Activity LED (Green) will stay solid whilst the connection is
active and whilst the transmitter sends any unsent data and/or receives any new
Tasks. The Activity LED (Green) will go off once the connection is complete and WiFi is
turned off.
2. Press and hold for five seconds. The transmitter will go into Survey Mode and check
the WiFi signal strength. To exit, press the WiFi Button again.
3. Press and hold the WiFi Button and Action Button simultaneously for five seconds to
place the transmitter into Setup Mode. Press the WiFi Button again to exit Setup
Mode.
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Infrared LEDs
Scale Selected
Low Battery Indicator
Power and
Diagnostic LEDs
Mounting Plate
Current Active Channel
Alarm Active Alert
High/Low Alarms
2-Pin Power Supply Socket
3-Pin Door Sensor Socket
6-Pin Lumberg Probe Socket
Activity LED (Green)
Fault Alert
Alarm LED (Red)
WiFi Signal
WiFi Button
Action Button
Integral Thermistor Sensor*
(*Not all models)
Door Sensor Alert
Action Icons

After a user WiFi connection request, the lower section of the WiFi Signal icon ( ) will
flash to indicate that a WiFi session is pending. It will remain flashing until a reading is taken,
then the transmitter will start the WiFi session.
A reading is taken once a minute regardless of the log rate. The WiFi module is deactivated
while a reading is taken. If the transmitter is not logging it will start a WiFi session
immediately.
The Action Button allows you to navigate between Active Channels.
1. Press once to change the Active Channel that is displayed.
2. Press and hold the Action Button and WiFi Button simultaneously for five seconds to
place the transmitter into Setup Mode.
3. Press to mute an Audible Alarm.
Above the WiFi Button and Action Button is a built-in Buzzer (not shown) for alarm and
other indications during use of the transmitter. The Buzzer will activate for 30 seconds when
the transmitter detects an alarm.
Pressing either the WiFi Button or Action Button will mute the alarm. If not required, the
Buzzer can be turned off in the settings for the transmitter in the Diligence Cloud.
The Alarm LED (Red) will flash whenever one or more channels is in an active
(unacknowledged) alarm state. It will not flash for high and low alert states but will flash for
high and low alarm states.
If not required, the Alarm LED (Red) can be de-activated in the settings for the transmitter in
the Diligence Cloud. This will not impact alarms.
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The Activity LED (Green) will briefly flash every second to indicate that the transmitter is
operating normally. The Activity LED (Green) will also flash once whenever the WiFi Button
has been operated.
The Infrared LEDs are only used during the manufacturing process and do not display or
have any significance in normal operation.
If the WiFi Signal icon ( ) is not showing, then the transmitter has no signal or has not
been set up. WiFi signal strength is denoted by the number of bands showing - one band is
low signal; all four bands is excellent signal.
When the WiFi is connecting, the WiFi Signal icon ( ) will flash each segment
consecutively, from low to full. If the lower part of the WiFi Signal icon ( ) is flashing, then
the transmitter is about to wake up and connect to the server. It could take 30 seconds or
more before the WiFi connects.
When present, the Fault Alert icon ( ) indicates that there is a fault with the transmitter.
The Fault Alert icon ( ) will usually appear along with a numerical Fault Code. A full list of
Fault Codes is available in section 7.7.
The Scale will show against the selected channel and will indicate the scale selected via a
Task from the Diligence Cloud. There are four scale options.
1. %RH –% Relative Humidity
2. °F –Temperature in degrees Fahrenheit
3. °C –Temperature in degrees Celsius or Centigrade
4. DP –Dew Point Temperature in either Celsius or Fahrenheit
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The Low Battery Indicator icon ( ) will show when the batteries are low. The transmitter
will continue to operate normally, but we recommend replacing the batteries with new ones
as soon as possible.
If the Low Battery Indicator icon ( ) is flashing, the batteries are critically low and should
be replaced immediately. The transmitter may still log data, but no wireless communication
will be possible. Should the display show Stop the logging has stopped and the batteries
must be replaced in order to start logging again.
These illuminate at various times depending on the transmitter interactions.
1. Green –A Mains PSU (RF520) is connected to the transmitter
2. Solid Red –The WiFi is active
3. Flashing Yellow –The transmitter is attempting to connect to WiFi
4. Solid Yellow –The transmitter is connected to WiFi
5. Solid Red and Yellow –The transmitter is connected to the Diligence Cloud
The transmitter has an integral Mounting Plate allowing it to slot into the (wall mounted)
Mounting Bracket and be secured with cable ties if required.
When installing in high humidity environments, such as those found in food factories, near
walk-In steam ovens or when installing on external (outside) walls, the transmitter should
always be mounted within a Waterproof Enclosure.
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The number of active channels is dependent on the transmitter type.
*The Internal Channel (Cold Junction) of the Diligence 600 WiFi Thermocouple Transmitter
(RF614) is located inside the Lumberg connector.
Please refer to the features of each Diligence 600 transmitter model for details on the
number and type of available channels.
When the transmitter has been tasked, the Active Channel will be indicated using the Active
Channel segment on the display, to indicate which channel is currently active.
NOTE –Displayed values will be updated once per minute during normal logging.
When programmed via a Task, Channel 5 on the display will show the time in minutes and
seconds that the Door Event Sensor has been in an open state, in the current average
period. This value is displayed in multiples of five seconds.
Should the Door Event Sensor reman in an open state for the entire average door open
period, the value will not rise even if the affected door stays open.
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Channel Description
Active Channel
Internal (Integral) Channel*
0
External 1
1
External 2
2
External 3
3
External 4
4
Door Event Sensor
5

The Alarm Active icon ( ) will flash when the Active Channel is currently registering an
unacknowledged alarm.
NOTE –If the active channel is not in alarm, then the Alarm Active icon ( ) will not flash.
The High/Low Alarm icon ( ) will show to alert you that the value displayed for the
Active Channel has exceeded the alarm limit. If the High/Low Alarm icon ( ) is flashing,
then the Active Channel is registering a High/Low Alarm.
The Door Sensor Alert icon ( ) indicates that a door is either open or closed. If the door is
in alarm, the Door Sensor Alert icon ( ) will flash.
The Play icon ( ) will flash when the transmitter is tasked and logging normally. This is
normal status. If the Play icon ( ) is solid, then the transmitter has received a Task but is
waiting for a reading.
The Pause icon ( ) can indicate that the transmitter is connected to the Diligence Cloud
but has not yet received a Task.
The Action icon ( ) indicates that the transmitter is waiting for input from the user to
perform an action.
If both the Pause icon ( ) and the Play icon ( ) are displayed, then the display will
indicate ‘rDy’ (ready), indicating that the transmitter is waiting for a manual start.
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The Diligence 600 transmitters are fitted with a single 6-pin Lumberg Probe Socket that
provides the means for external measurement probes and transducers to be connected,
either directly or via a compatible adaptor.
•Single (Simplex) Probe Connections
Both the Diligence 600 WiFi Temperature Transmitter (RF612) and the Diligence 600 WiFi
Thermocouple Transmitter (RF614) can be used with just a Single (Simplex) Probe, directly
connected to the Lumberg Probe Socket to provide single channel monitoring. Please refer
to our website for a full list of Single (Simplex) Probes compatible with each transmitter.
•Double (Duplex) Probe Connections
Only the Diligence 600 WiFi Temperature Transmitter (RF612) is compatible with Double
(Duplex) Probes. One Double (Duplex) Probe can be directly connected to the Lumberg
Probe Socket to provide dual channel monitoring. There are currently no available Double
(Duplex) Probes for the Diligence 600 WiFi Thermocouple Transmitter (RF614). Please refer
to our website for a full list of compatible probes.
•Additional Measurement Channels
The Diligence 600 WiFi Temperature Transmitter (RF612) supports a maximum of four
external measurement points so, in order to add additional probes to the 6-pin Lumberg
Probe Socket of the transmitter, an adaptor is required.
Up to four Single (Simplex) Probes can be added via the Diligence 600 4-Way PST Adaptor
(RF601A) and two Double (Duplex) Probes can be added via the Diligence 600 Y Adaptor
(RF602Y). Full details of both adaptors are available via the Comark Website.
NOTE - the Diligence 600 Y Adaptor (RF602Y) can support both Single (Simplex) and Double
(Duplex) Probes whereas the Diligence 600 4-Way PST Adaptor (RF601A) only supports
Single (Simplex) Probes.
The Diligence 600 WiFi Thermocouple Transmitter (RF614) supports a maximum of three
external measurement points when a Sub-Min Adaptor (N2000ADP/T or K) and Sub-Min
Probes are used.
The Lumberg Probe Socket of the Diligence 600 WiFi Multi-Parameter Transmitter (RF615)
is not designed for external probes and is solely designed to accommodate two external
transducers via a single Multi-Parameter 2-Way Adaptor Box (RF615B) or four transducers
by using a second Multi-Parameter 2-Way Adaptor Box (RF615B) and a Diligence 600 Y
Adaptor (RF602Y).
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Some Diligence 600 transmitters are each fitted with a 2-pin Power Supply Socket and 3-Pin
Door Sensor Socket which are located at the bottom of the transmitter next to the 6-pin
Lumberg Probe Socket.
•The 2-Pin Power Supply Socket
The 2-Pin Power Supply Socket is designed to work solely with the 5V Mains Power Supply
Unit (RF520), which supplements the transmitter batteries. When a power supply unit is
connected to this socket and in use, the Power LED (Green) on the side of the transmitter
will be active to indicate the additional power input.
•The 3-Pin Door Sensor Socket
The 3-Pin Door Sensor Socket allows for the connection of an external Door Event Sensor.
The Standard Door Event Sensor (RF521) is for regular refrigerator and freezer doors, whilst
the Heavy-Duty Door Event Sensor (RF522) is for roller shutter doors.
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2-Pin Power Supply Socket
3-Pin Door Sensor Socket
6-Pin Lumberg Probe Socket

All functions on the transmitter are completed using the two buttons on the front of the
transmitter.
The WiFi Button has several functions:
1. Press and hold for one second. The connection to the WiFi could take up to a minute
from the button press. The Activity LED (Green) will flash as it attempts to connect to
the Diligence Cloud. The Activity LED (Green) will stay solid whilst the connection is
active and whilst the transmitter sends any unsent data and/or receives any new
Tasks. The Activity LED (Green) will go off once the connection is complete and WiFi is
turned off.
2. Press and hold for five seconds. The transmitter will go into Survey Mode and check
the WiFi signal strength. To exit press the WiFi Button again.
3. Press and hold the WiFi Button and Action Button simultaneously for five seconds to
place the transmitter into Setup Mode. Press the WiFi Button again to exit Setup
Mode.
The Action Button allows you to navigate between Active Channels.
1. Press once to change the Active Channel that is currently displayed.
2. Press and hold the Action Button and WiFi Button simultaneously for five seconds to
place the transmitter into Setup Mode.
The Main LCD Display is a section of 4.1 Characters. This display will show your
measurement value in the range -19999 to +19999. Depending on the value being displayed
there could be one or two decimal points.
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Over Range and Under Range warnings will be displayed when the reading is greater than or
less than the max that the display show i.e. >19999 or <-19999.
When the maximum measurement value is exceeded i.e. is >32000 or <-32000 then the
display will show four dashes.
Open Circuit readings will also be displayed with four dashes where applicable:
NOTE –A WiFi Multi-Parameter Transmitter (RF615) that is not connected to an 2-Way
Adaptor Box (RF615B) will measure small values on its input. Depending on the chosen
scale these may result in a random value being displayed. When connected to a 2-Way
Adaptor Box (RF615B) the channels will display a reading for 0mA or 0V depending on the
configuration of the channel. The WiFi Multi-Parameter Transmitter (RF615) does not
display Open Circuit readings, only Under Range or Over Range readings. A zero is
displayed when there is no connection.
The Diligence 600 transmitters rely upon a good WiFi signal for their connectivity. Without a
good signal they will struggle to connect, send data, receive new Tasks and there will be a
severe impact on battery life. It is best practice to confirm that a strong WiFi signal is
present at the location the transmitters are to be used.
If concerned that the WiFi signal strength in the selected location could be an issue, please
see Checking The WiFi Signal Strength (Survey Mode).
Initial setup of the transmitter is best carried out following the steps outlined in the Quick
Start Guide (QSG) included with the transmitter. If required, a copy can also be downloaded
from the Comark Website. (www.comarkinstruments.com)
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After exiting Setup Mode the transmitter should be provoked by pressing the WiFi Button
until the Activity LED (Green) activates. This will start a WiFi session with the Diligence
Cloud. If all is well the WiFi Signal icon ( ) will remain solid. This may take a few seconds
in order for a connection to be established.
NOTE –Should an error message or fault code be displayed at this point, then something
has gone wrong with the process.
•Fault Code 8 = no WiFi is setup
•Fault Code 16 = no Diligence Cloud server details.
•Fault Code 24 = Fault Code 8 and Fault Code 16 combined.
Should any of these messages be displayed, then please contact Comark Technical Support
for further assistance.
If the message ‘IdEr’ (ID Error) appears flashing on the display then the Diligence Cloud does
not recognise the details that were entered for the transmitter. This could be for several
reasons such as an incorrect Diligence Cloud account number was entered during this
setup process or, the wrong serial number was provided to the Diligence Cloud.
Please check these settings prior to repeating the process. Further information is available in
the troubleshooting section of this document. Should ‘IdEr’ (ID Error) continue to be
displayed after repeating the process, then please contact Comark Technical Support for
further assistance.
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Transmitters are nested under two different sub-headings, on the Diligence Cloud data
management platform, which are Locations and Alarm Groups. This is to provide a suitable
context for each transmitter, in your estate of devices, that relates to its physical location.
Transmitters are nested within Alarm Groups and Alarm Groups in turn are nested within
Locations. Each transmitter can only be associated with a single Alarm Group and each
Alarm Group can only be linked to a single Location.
To change the Location of a transmitter it must either be re-tasked and re-allocated to a
different Alarm Group and/or Location or the existing Alarm Group/Location must be
renamed.
An Alarm Group can have an unlimited number of transmitters allocated, subject to the
Diligence Cloud licence plan type. A Location can have an unlimited number of Alarm
Groups, again subject to Diligence Cloud licence plan type. How Locations and Alarms
Groups are defined and named is subject solely to user preference.
•What is a Location?
A Location is typically a physical location within the business premises where transmitters
are installed for monitoring purposes. This could mean a room, a warehouse, a wing of a
hospital, or a department. A Location could also be a reference to a group of transmitters
such as ‘All Refrigerators’. Once created, a Location must have at least one Alarm Group
associated with it, before it can be used.
•What is an Alarm Group?
An Alarm Group refers to a group of transmitters that share a common physical location,
usage type or equipment type (i.e. Pharmacy or Pathology Refrigerators).
An Alarm Group contains transmitters, where each transmitter is monitoring one or more
items of equipment, such as a refrigerator or freezer.
At least one Location and Alarm Group must be created before a transmitter can be tasked.
Each transmitter must be tasked with a Location and Alarm Group selected.
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New Locations and Alarm Groups are added via the Diligence Cloud data management
platform.
•Adding a New Location
From the Diligence Cloud homepage click on the menu icon top-left and navigate to
Locations. Next, click on the Create Location icon and enter the name of the Location in the
field provided. Click Create Location to complete.
With a Location now created, an Alarm Group also needs to be created and then it needs to
be associated with the Location.
•Adding a New Alarm Group
From the Diligence Cloud homepage click on the menu icon top-left and navigate to Alarm
Groups. Next, click on the Create Alarm Group icon and enter the name of the Alarm Group
in the field provided. Next, select the Location for the Alarm Group. Once a Location has
been selected the modal will expand to reveal additional options.
Select the email notifications that are required for the Alarm Group. The Subscribers list will
be empty at this stage. Click Save Alarm Group to complete.
Administrators are automatically set up to view new Alarm Groups, but Users are not and
have to be manually selected to see new Alarm Groups. Visit individual User Profiles to add
them to an Alarm Group.
When Users have been added you can re-visit the Alarm Group and click subscribe for Users
and Administrators.
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A Viewer is any Diligence Cloud data management platform User that is given permission
to view a particular Alarm Group. Any Administrators of the Diligence Cloud instance will
automatically be allowed to view any new Alarm Group.
A Subscriber is any Diligence Cloud data management platform User who has been
designated to receive any emails generated by the Alarm Group.
Subscribers are set up within each Alarm Group.
•Adding a Viewer
A User can be added as a Viewer of a specific Alarm Group via the Diligence Cloud data
management platform. Once logged in, select Users from the main navigation. Select any
non-administrator by clicking on their email address. The User profile will be displayed.
Under Alarm Groups select the Alarm Group(s) that the User should view using the drop-
down selection.
Click Save to complete.
Repeat this process for any additional Users.
•Adding a Subscriber
Once the Viewers have been set up, they can be added as Subscribers.
To do this, simply click on the menu icon top-left and navigate to Alarm Groups. Select the
Manage icon for the appropriate Alarm Group and select the Subscribers in the Subscribers
section using the drop-down selection.
Any Viewer added as a Subscriber will receive emails and other notifications from the
selected Alarm Group.
Click Save to complete.
Repeat this process for any additional Subscribers.
Both processes should also be repeated for any new Locations and Alarm Groups.
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Tasking is a defined set of instructions (Task) sent to a Diligence 600 transmitter to ensure
that it records temperature and other data at the frequency required and to ensure that
alerts and alarms are also sent as required.
The Task defines all the criteria required for the transmitter to operate. All mandated
elements of the Task must be entered correctly to ensure correct operation of the
transmitter.
In addition to Tasks, data is segmented into Periods. Each Period is a set of data that was
started when a change occurred to the transmitter and which ended when a subsequent
change to the transmitter occurred. Changes to the transmitter may include user requests
such as instructions to start or stop logging data or actions such as changing batteries. A
change in Period may also occur outside of the user’s control, such as when an automatic
adjustment to date and time occurs.
Multiple Periods can be present within a single Task. Once data is recorded under a Task
and Period (with at least one Period per Task) then the data can be reviewed on either a
Task by Task or Period by Period basis.
NOTE –For a single transmitter it is possible to view data over multiple Periods on the same
graph or tabular view, using the Diligence Cloud data management platform.
All Diligence 600 transmitters have a pre-requisite number of defaults for a Task, that are
required in order for it to be considered complete and ready for use. These include the
following:
•Task Name
Each Task must be given a name.
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•Log Rate
Each Task must include a Log Rate for the transmitter in order to log data regularly. This
must be in the range 1-60 minutes. There are pre-set Log Rate values of 1, 2, 3, 5, 10, 15, 20,
30 and 60 minutes.
NOTE - A 15 Minute Log Rate is recommended to ensure good granularity of data. All
channels are monitored once per minute irrespective of log rate so no alarms or excursions
will be missed. In addition, when sending data to the Diligence Cloud, smaller data packets
result in improved battery life and improved speed of response from the Diligence Cloud
when drawing graphs.
•Location*
Each Task must include a given Location (i.e., Pathology Department) as defined in the
Diligence Cloud for the location of the transmitter. This allows for the data to be easily
identified at later date.
•Alarm Group*
Similar to Location, an Alarm Group allows the user to detail the position of the transmitter
within their estate of devices more accurately. Each transmitter will be allocated an
individual Alarm Group (i.e., Refrigerators or Blood Banks).
NOTE - *For new systems where an initial transmitter is being tasked, a Location and Alarm
Group must first be created. Should a change be required to any Location or Alarm Group to
which a transmitter is allocated, then it must be re-tasked or re-named accordingly.
•Scale
The Scale presented is appropriate to the transmitter model and may include multiple
options. When offered, ensure that the correct scale for the Task is selected.
•Thermocouple Type
If applicable, the Thermocouple Type option is presented. This would normally be Type K or
Type T. When offered, ensure that the correct type for the connected probe(s) is selected.
The Thermocouple Type selection is global for all applicable channels. For humidity select
either the %RH or DP scale in either Celsius or Fahrenheit.
•Manual Start
All transmitters have the option for a Manual Start. If selected, the transmitter will require
further manual intervention to commence logging data. This is actioned either by pressing
the Action Button on the transmitter or sending a start command via the Diligence Cloud.
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