MR5320 Splash Proof Type Two-channel Card Logger

Model MR5320 is a small size and lightweight 2-channel card logger capable to monitor temperature in two places and store up to 6000 data per channel, and is washable (IP64 - splash proof).


  • Storing of 6000 data per channel, Measurement interval of 10 to 50 seconds or 1 to 60 minutes
  • High accuracy ±0.5°C (for -5 to 50°C)
  • Automatic stop or endless of data logging is selectable.
  • Keeping of stored data for long term on low battery
  • Storing of about 730 thousand data in a 1.44MB floppy disk (by exclusive file format)
  • Reliable infrared communications between the card logger and the data readout unit without any physical contact
  • IP 64 (dust tight and splash proof) enclosure
  • CE conformance
  • Various kinds of sensors including a general type, a water-proof type, a surface type and a needle type
  • A traceability or inspection certificate, which can be used for HACCP or ISO9000, is available. (Separate purchase required)


Measuring range -40 to 60°C, 0 to 100°C, 50 to 150°C (Ranges are automatically switched by judging a sensor to be used.)
With the built-in sensor (Channel 1 only): -40 to 60°C
Accuracy rating ±0.5°C ± 1 digit (for -5 to 50°C)
Except above: ±1.0°C ± 1 digit
Sensor Built-in (Channel 1 only)/External switching
* Various types of sensors (separate purchase required) including general type, water-proof type, needle type and surface type are available.
Input point Two points
Number of data stored 6000 data/each channel
Display contents (Each channel) Current data: Month, day, hour, minute, measured temperature in Channel 1 and Channel 2
Recalling data: Maximum temperature, minimum temperature and average temperature in stored data in Channel 1 and 2
Parameters: High alarm setpoint and low alarm setpoint of Channel 1 and 2
Operation by logger Display start-up (With auto-off function: Display goes out after one minute.)
Display content selection (clock setting, logging start/stop, key lock/release)
* Three function keys of DISP, SEL and REC
Communications function Infrared communications to the exclusive data readout unit (separate purchase required)
Settings of parameters and recalling of stored data/logging parameters by the exclusive analytical software package
Settings by PC Clock, logging start time/stop time (in case of the measurement/logging interval (10 to 50 seconds or 1 to 60 minutes), high/low alarm temperatures, key locking of logger, logging mode (automatic stop/endless)
Battery AAA (UM-4), 2 pieces
Outside dimensions/weight 54 (W) x 110 (H) x 20.5 (D) mm, 95g (Including batteries)
CE EN-61326, Emission: Class B, Immunity: Requirement for portable test and measurement equipment
MR9504 Data Readout Unit
  • Card loggers can display or printed out data in a table format or a trend graph format by connecting to a personal computer through this data readout unit.
  • The data stored can be managed by a file and treated by worksheet applications commercially available.
  • The card loggers can connect to this data readout unit through reliable infrared communications without any physical contact.

Specifications of MR9504 (with analytical software)

Model MR9504
connector USB, With a cable of 1.4m
Environment Windows 98/2000/Me/XP
Hard disk: 10MB free space or more
Communications Between a card logger and this data readout unit: Non-contact infrared type
Between this data readout unit and a PC: RS-232C (communications at a serial port)
Working environment 0 to 40 °C; 10 to 80%RH (No condensation)
Storage environment -20 to 55°C; under 90%RH (No condensation)
Outside dimensions/weight 59.5 (W) x 107 (H) x 31.5 (D) mm, 180g

Analytical software package

Settings Clock, start time, measuring interval, totalizing direction, card No., test No., key lock/release logging type, number of data at logging end, high/low alarm setpoints
Recalling Parameters, stored data, number of stored data, number of errors
Computation Maximum value, minimum value, average value
Display All data (measured data per year, month, day, hour, or minute), trend graph, high/low alarms (alarm mark attached to the data)
Data storage Storage in file format or text format by this software package
Printout List printing, parameter printing, trend graph

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