Data logger ALMEMO® 2890-9 Measuring Instruments ALMEMO® data logger Precision measuring instrument Comprehensive range of functions for all application areas. Increased measuring accuracy, fast measuring rate. Generously dimensioned graphics display, bright illumination. 9 measuring inputs Runs on rechargeable batteries, charging via the device itself Technical data and functions Increased measuring accuracy and stability Fast measuring rate, up to 50 measuring operations per second With SD memory card, up to 100 mops, optional for 1 channel up to 500 mops 9 measuring inputs, electrically isolated Over 65 standard measuring ranges Support for ALMEMO® plugs with multi-point adjustment, special linearization, and special measuring ranges Option KL for independent multi-point adjustment or special linearization programmable in 30 points and management of calibration data saved in the sensor connector and the measuring instrument Higher measuring quality thanks to electrical isolation between measuring inputs and device power supply (device ground) Improved cold junction compensation with 2 sensors Data logger with internal EEPROM, sufficient for 100,000 measured values, configurable as linear or ring memory Memory connector with micro SD (accessory) Sleep mode for long-term recording Generously dimensioned graphics display, bright illumination, large display of measured values Measured values can be displayed graphically in line chart or bar chart form or numerically in various sizes. 3 user-defined menus can be freely configured from a range of 50 functions. Easy to operate by means of 4 soft-keys and cursor block, menu-guided with wizards and context-sensitive help windows Choice of languages: German, English, French 2 ALMEMO® output sockets, suitable for digital interfaces, analog output, trigger input, alarm contacts, memory card Runs on rechargeable batteries (as standard), high-speed charging in the device itself using mains unit, included in delivery 11/2025 • We reserve the right to make technical changes. Technical data Precision class AA (see general technical specifications) Measuring rate (100), 50, 10 and 2.5 mops (measuring operations per second) Measuring inputs 9 ALMEMO® input sockets Electrical isolation with semiconductor relays (50 V) for analog sensors Additional electrical isolation between measuring inputs and power supply (device ground) Additional channels 4 function channels, device-internal Sensor power supply Rechargeable battery/ies 9 or 12 V, maximum 0.5 A Mains adapter 12 V, maximum 0.3 A Outputs 2 ALMEMO® sockets, suitable for all output modules (analog / data / trigger / relay cables, memory, etc.) Standard equipment Display Graphics display 128 x 128 pixels, 16 rows Illumination 5 white LEDs, 3 brightness levels Keypad 9 membrane keys (4 soft-keys) Memory, EEPROM sufficient for 100,000 measured values Date and time-of-day Real-time clock, buffered with battery Power supply Rechargeable battery pack 6 rechargeable NiMH batteries, 1600 mA Integrated high-speed charging (2.5 h) Mains adapter ZB1112NA12 100 to 230 VAC to 12 VDC, 1.5 A electrically isolated DC adapter cable electrically isolated Current consumption (without input and output modules) Active mode approx. 37 mA With illumination approx. 45 to 100 mA Sleep mode approx. 0.05 mA Environmental conditions see general technical data

Measuring Instruments Precision measuring instrument, 9 measuring inputs Data logger with internal memory or external memory connector (accessory) Accessories Memory connector with micro SD, including USB card reader (see chapter „General accessories“) DC adapter cable, 10 to 30 VDC, 12 V / 1 A, electrically isolated Generously dimensioned carry case, aluminum profile frame / ABS Connecting cables V24 data cable, electrically isolated Ethernet data cable, electrically isolated Analog output cable, electrically isolated, 1 x 20 mA Analog output cable, electrically isolated, 2 x 10 V Trigger and...