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Product Notes

The PRHTemp101A is a pressure, humidity and temperature data logger, specifically 
designed to be compact and portable for use in a variety of applications like museum and 
archive preservation, shipping and transportation, warehouse monitoring, HVAC and more.

LEDs

- Green LED blinks: 10 seconds to indicate logging and 15 seconds to indicate delay start 

mode/standby 

(waiting to start)

- Red LED blinks: 10 seconds to indicate low battery and/or memory and 1 second to 

indicate an alarm condition met.

Password Protection

An optional password may be programmed into the device to restrict access to 
configuration options. Data may be read out without the password

Multiple Start/Stop Mode Activation

- To start device: Press and hold the pushbutton for 5 seconds, the green LED will flash 

during this time. The device has started logging.

- To stop the device: Press and hold the pushbutton for 5 seconds, the red LED will flash 

during this time. The device has stopped logging.

Alarm Settings

Programmable high and low limits; alarm is activated when the environment reaches or 
exceeds set limits. 

(Pressure channel only)

Installation Guide

Installing the Interface Cable

- IFC200 

Insert the device into a USB port. The drivers will install automatically. 

Installing the Software

The Software can be downloaded from the MadgeTech website at the following link: www.
madgetech.com/software-download. 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 data logger.
- Connect the USB end of the interface cable into an open USB port on the computer. 
- The device will appear in the Connected Devices list, highlight the desired data logger.  
- 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 

 

Product User Guide

PRHTemp101A

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 interface cable 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

- 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:

 

Small Phillips Head Screwdriver & Replacement Battery (LTC-7PN)

- Puncture the center of the back label with the screw driver and unscrew the enclosure.
- Remove the battery by pulling it perpendicular to the circuit board.
- Insert the new battery into the terminals and verify it is secure.
- Screw the enclosure back together securely.

Note: Be sure not to over tighten the screws or strip the threads.

Recalibration

 

The PRHTemp101A standard calibration is one point for temperature at 25 °C, two  
points for humidity at 25 %RH and 75 %RH and two points for pressure at 460 mbar  
and 1095 mbar.

Recalibration is recommended annually for any MadgeTech data logger; a reminder is
automatically displayed in the software when the device is due.

Prices and specifications subject to change. See MadgeTech’s terms and conditions at www.madgetech.com
To send the devices back, visit www.madgetech.com, select 

Services

 then 

RMA Process

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