LCS140
Lethality Compliance System
PRODUCT
USER GUIDE
To view the full MadgeTech product line, visit
our website at madgetech.com.
LCS140
PRODUCT USER GUIDE
Product Overview
The LCS140 is a wet-bulb dry-bulb unit designed to
calculate humidity in high temperature locations such as
smokehouses, ovens and drying kilns.
The LCS140 kit includes a dual-probe temperature data
logger with two rigid probes. The dry-bulb probe is
2 inches for measuring ambient temperature and the
web-bulb probe is 5 inches, allowing it to be covered with
an included sock. The LCS140 can monitor up to 140 °C
(284 °F) and is compatible with MadgeTech Data Logger
Software version 4.2.18.0 and above.
Components
1. LCS140 Data Logger
2. Hanging Fixture
3. Reservoir Bottle
4. 6 Wet Bulb socks (for use with the wet-bulb only)
Installation Guide
Installing the Software and Drivers
The Software can be downloaded from the MadgeTech
website at madgetech.com. Follow the instructions
provided in the Installation Wizard to install the software
and drivers for the docking station.
Connecting the Docking Station
Device Operation
Connecting and Starting the Data Logger
1. Once the software is installed and running, plug the
interface cable into the docking station.
2. Connect the USB end of the interface cable into an
open USB port on the computer.
3. Place the data logger into the docking station.
4. The data logger will automatically appear under
Connected Devices within the software.
5. For most applications, select Custom Start from
the menu bar and choose the desired start method,
reading rate and other parameters appropriate for the
data logging application and click Start. (Quick Start
applies the most recent custom start options, Batch
Start is used for managing multiple loggers at once,
Real Time Start stores the dataset as it records while
connected to the logger.)
6. The status of the device will change to Running,
Waiting to Start or Waiting to Manual Start,
depending upon your start method.
7. Remove the data logger from the docking station, set
up the components of the logger (see page 3) and
place it in the environment to measure.
Note: The device will stop recording data when the end of memory
is reached or the device is stopped. At this point the device cannot be
restarted until it has been re-armed by the computer.
IFC400 or IFC406 (sold separately) — Connect the device
into a USB port with the interface cable.
Product User Guide | 2
LCS140
PRODUCT USER GUIDE
Device Operation (cont’d)
Setting Up the Logger
1. Remove all
components from
the packaging.
5. Insert the LCS140
data logger into the
hanging fixture so it
is suspended upside
down.
2. Fill the reservoir
bottle with distilled
water, approximately
2 oz (60 ml).
6. Slide the sock onto
the 5-inch probe.
3. Screw the reservoir
bottle into the bottom
of the hanging fixture.
7. Ensure the LCS140
data logger is firmly
secured in the fixture.
4. Drop the sock into the
water about 2 inches.
8. Adjust the sock on
the probe so that it
touches the bottom
of the water reservoir.
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LCS140
PRODUCT USER GUIDE
Device Operation (cont’d)
Downloading Data from the Data Logger
1. Once the cycle is complete, remove the LCS140 data
logger from the hanging fixture.
2. Place the LCS140 into the IFC connected to the PC.
3. Highlight the data logger in the Connected Devices list.
Click Stop on the menu bar.
4. Once the data logger is stopped, with the logger
highlighted, click Download.
5. Downloading will offload and save data to the PC.
Calculating Humidity
1. With the report open, click to Math Channels in the
menu.
2. Click Add on the left side of the pop up and select
Relative Humidity.
3. On the right-hand side, select the Dry-Bulb as probe 1
and the Wet-Bulb as probe 2.
4. Close the pop up and the relative humidity will now be
added to the report.
Trigger Settings
The device can be programmed to only record based off
user configured trigger settings. Triggers can be configured
for temperature only not on the math channel.
1. In the Connected devices panel, select the intended
device to change the settings.
2. On the Device tab, in the Information group, click
Properties. Users can also right-click on the device
and select Properties in the context menu.
3. Click Trigger and configure the Trigger settings.
Trigger formats are available in Window and Two Point
(bi-level) mode. Window mode allows for one range of
temperature monitoring and two point mode allows
for two ranges.
Set Password
To password protect the device so that others cannot
start, stop or reset the device:
1. In the Connected Devices panel, click the device desired.
2. On the Device Tab, in the Information Group, click
Properties. Or, right-click the device and select
Properties in the context menu.
3. On the General Tab, click Set Password.
4. Enter and confirm the password in the box that
appears, then select OK.
Note: This product is rated for use up to 140 °C
(284 ºF). Please heed the battery warning. The
product will explode if exposed to temperatures
above 140 °C (284 ºF).
Product User Guide | 4
LCS140
PRODUCT USER GUIDE
Device Maintenance
Sock Maintenance
Replace the sock when it becomes noticeably dirty.
Using distilled water will extend the life of the sock due
to minerals in normal tap water. Additional socks can be
purchased from madgetech.com.
O-Rings
O-ring maintenance is a key factor when properly caring
for the LCS140 data logger. The O-rings ensure a tight
seal and prevent liquid from entering the inside of the
device. Please refer to the application note O-Rings 101:
Protecting Your Data, found at madgetech.com, for
information on how to prevent O-ring failure.
Battery Replacement
Materials: ER14250MR-145 Battery
1. Unscrew the bottom of the
logger and remove the battery.
2. Place the new battery into the
logger. Note the polarity of the
battery. It is important to insert
the battery with positive polarity
pointing upward towards the
probe. Failure to do so could
result in product inoperability or
potential explosion if exposed to
high temperatures.
3. Screw the cover back onto the logger.
Recalibration
MadgeTech recommends annual recalibration. To send
devices back for calibration, visit madgetech.com.
Product Support & Troubleshooting
• Visit our Resources online at madgetech.com/resources.
• Contact our friendly Customer Support Team at (603) 456-2011 or support@madgetech.com.
MadgeTech 4 Software Support
• Refer to the built-in help section of the MadgeTech 4 Software.
• Download the MadgeTech 4 Software Manual at madgetech.com.
• Contact our friendly Customer Support Team at (603) 456-2011 or support@madgetech.com.
6 Warner Road, Warner, NH 03278
info@madgetech.com
(603) 456-2011
madgetech.com
DOC-1370036-00 | REV 1 2020.04.07
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