Product User Guide
Description PR140
Pressure Sensor Semiconductor (strain gauge)
Pressure Range (Nominal)
Pressure Resolution 0.0001 Bar
Pressure Response Time 0.1 ms (10 %FSR to 90 %FSR)
Repeatability
Calibrated Accuracy
Memory 32,700 readings; software configurable memory wrap
Reading Rate 1 reading every second up to 1 reading every 24 hours
Required Interface Package IFC400 or IFC406
Baud Rate 125,000 baud
Typical Battery Life 2 years
Operating Environment
Dimensions
Submersible Yes (IP68)
Material Stainless Steel
Approvals CE
+0.03 Bar (+0.435 PSI), +20 °C to +140 °C (+68 °F to +284 °F)
Flush Top: 2.0 in x 1.0 in dia. (50.8 mm x 25.4 mm dia.)
Weight 3 oz (85 g)
0 to 5 Bar (0 to 72.5 PSIA)
+0.5 %FSR; +0.2 % typical
-20 °C to +140 °C (-4 °F to +284 °F),
0 %RH to 100 %RH, 0.002 PSIA to 100 PSIA
NPT Pressure Port Top: 2.3 in x 1.0 in dia.
(58.2 mm x 25.4 mm dia.)
Battery Warning
WARNING: FIRE, EXPLOSION, AND SEVERE BURN HAZARD. DO NOT SHORT CIRCUIT, CHARGE,
FORCE OVER DISCHARGE, DISASSEMBLE, CRUSH, PENETRATE OR INCINERATE. BATTERY MAY
LEAK OR EXPLODE IF HEATED ABOVE 150 °C (302 °F).
PR140
PR140
High Temperature Pressure Data Logger
Speci ications subject to change.
See MadgeTech’s terms and conditions
DOC1244035-00 REV 8 2014.11.25
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PR140
Product User Guide
Product Notes
The PR140 can be used in both wet and dry applications up to 140 °C indefinitely. Available
with Flush or NPT Pressure Port Top
Submergibility
The PR140 is fully submersible and is rated IP68. It can be placed in environments with up to
230 ft (70 m) of water.
O-Rings
O-ring maintenance is a key factor when properly caring for the PR140. 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 on the MadgeTech website,
for information on how to prevent O-ring failure.
Note: This product is rated for use up to 140 °C. Please heed the battery warning. The product will explode if exposed to
temperatures above 140 °C.
Installation Guide
Installing the Interface cable
- IFC400 or IFC406
Connect the device into a USB port with the interface cable. The drivers will install
automatically.
Installing the software
The Software can be downloaded from the MadgeTech website. Follow the instructions
provided in the Installation Wizard.
Device Operation
Connecting and Starting the data logger
- Once the software is installed and running, plug the interface cable into the docking
station.
- Connect the USB end of the interface cable into an open USB port on the computer.
- Place the data logger into the docking station.
- The data logger will automatically appear under Connected Devices within the software.
- 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.)
- The status of the device will change to “Running”, “Waiting to Start” or “Waiting to
Manual Start”, depending upon your start method.
- Disconnect the data logger from the docking station 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.
Downloading data from a data logger
- Place the logger to the docking station.
- Highlight the data logger in the Connected Devices list. Click “Stop” on the menu bar.
- Once the data logger is stopped, with the logger highlighted, click “Download”. You will
be prompted to name your report.
- Downloading will offload and save all the recorded data to the PC.
Device Maintenance
Battery Replacement
Materials:
ER1425S-HT Battery
- Unscrew the bottom of the data logger and remove the battery.
-
Place the new battery into the data logger. Note the polarity of the battery.
- Screw the cover back onto the data logger.
Recalibration
The PR140 standard calibration is 3 points at 1 bar, 2.5 bar and 5 bar.
Call for custom calibration options to accommodate specific application needs.
Prices and specifications subject to change. See MadgeTech’s terms and conditions.
To send devices to MadgeTech for calibration, service or repair, please use the MadgeTech RMA Process
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