Data logger ALMEMO® 2590-2A ALMEMO® data logger Professional measuring instrument, Comprehensive range of functions for all application areas, Graphics display for showing measured values and programming, Technical data and functions ALMEMO® 2590-2A Good measuring accuracy, measuring rate up to 10 measuring operations per second (mops) Over 65 standard measuring ranges Support for ALMEMO® plugs with multi-point adjustment, special linearization, and special measuring ranges Graphics display with white illumination, easy and convenient operation by means of 4 soft-keys and cursor block Clear and easy-to-understand menu system 3 measuring menus (1 menu can be freely configured by user from a range of 50 functions), measured values displayed numerically, 1 to 12 measured values can be displayed in two sizes or graphically in bar chart form. Intelligent sensor readings with sensor-specific functions cold junction compensation, temperature compensation, and atmospheric pressure compensation Measuring functions: Measured value, zero-setting, setpoint adjustment Function menus: Maximum value, minimum value, memory sufficient for 99 measured values, average value over time / individual values / measuring points, smoothing, volume flow with center point measuring, two-point adjustment, scaling, data logger with configuration menus Option VN Volume flow determined from matrix measuring as per DIN EN 12599 Programming menus for clear and easy-to-understand sensor programming, range, units, designation, right through to special functions, configuration of device parameters and of output modules Choice of languages: German, English, French 2 ALMEMO® output sockets, suitable for digital interfaces, analog output, trigger input, alarm contacts, memory card External memory connector with micro SD can simply be plugged in. Sleep mode for long-term recording 11/2025 • We reserve the right to make technical changes. Technical data ALMEMO® 2590-2A Precision class A (see general technical specifications) Measuring rate 2.5 / 10 measuring operations per second Measuring inputs 2 ALMEMO® input sockets el. isolated with semi-conductor relays (50 V) Additional channels 4 function channels, device-internal Sensor power supply 9 / 12 V, maximum 0.5 A Outputs 2 ALMEMO® sockets, suitable for all output modules (analog / data / trigger / relay cables, memory, etc.) Standard equipment Display Graphics display, 128 x 64 pixels, 8 rows Illumination 2 white LEDs Keypad 7 silicone keys (of which 4 soft-keys) Date and time-of-day Real-time clock, buffered by battery Power supply Battery set 3 AA alkaline batteries DC adapter cable, electrically isolated ZA2690-UK 10 to 30 V, 0.25 A Current consumption (without input and output modules) Active mode approx. 12 mA With illumination approx. 32 mA Sleep mode approx. 0.05 mA Environmental conditions see general technical data

ALMEMO® 2590-2A Professional measuring instrument,2 measuring inputs, Data logger with external memory connector (accessory) Accessories Order no. Memory connector with micro SD Mains adapter 12 V / 1.5 A DC adapter cable, 10 to 30 VDC, 12 V / 0.25 A, electrically isolated Rubberized impact protection, green Magnetic fastening Instrument case Network technology, wireless modules (see chapter „Networking“) 11/2025 • We reserve the right to make technical changes. Connecting cables Order no. USB data cable, electrically isolated Ethernet data cable, electrically isolated Analog output cable, electrically...