DL2e Data Logger

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DL2e Data LoggerDL2e Data LoggerDL2e Data LoggerDL2e data logger in enclosure



The DL2e Data Logger was manufactured by Delta-T Devices from 1986 to 2019 but has now been discontinued. Its reliability and flexibility made it a popular choice with customers, and we know that large numbers are still in use.

We would like to reassure users that Delta-T will continue to provide technical support and repairs for the DL2e for many years to come. Repairs Calibration and Warranty

The DL2e has been replaced by the GP2 Data Logger.


Input connections15 analog channels expandable to 30, 45,or 60
2 counters
Control outputs2 relays (1A)
Readings stored128,000
Recording rate1 second to 24 hours
Communication optionsRS232, USB [1]
Sensor excitation2 relay switched logger or external power
Power6 AA alkaline batteries or external power 7-15V
Battery life (dependent on usage)~ 6 months
Enclosure ratingIP65
Temperature range-20 to +60°C
Display2 line x 16 character
Size280 x 220 x 140mm
Typical applicationsGeneral data logging for moderate to complex systems


Sensor compatibility (maximum number of sensors that could be connected [2]
ML3✓ (30) with temp / (60) without temp
SM150T✓ (30) with temp / (60) without temp
PR2✓ (10 PR2/6) (15 PR2/4)
PR2 SDI-12
WET Sensor
EQ3✓(30) with temp / (60) without temp
Tensiometers✓(60), requires TVB1s
Counters or Events✓(2)
Relay Output✓(2)


[1] With USB to RS232 Adapter Cable type USB-RS232

[2] With appropriate expansion cards and power supply arrangements


For full DL2e specification please see the DL2e data sheet



    Main components and software

      Mountings and enclosures

        Installation accessories

          Cables and networks

            Remote communications

              Spares and consumables

                Power options


                    Product Resources



                    Regulatory Information