Data logger ALMEMO® 8590 /8690 Measuring Instruments ALMEMO® data logger Precision measuring instrument for measured data acquisition. Comprehensive range of functions for all application areas. Increased measuring accuracy, fast measuring rate 9 measuring inputs. Operates as data logger or PC interface, also with rechargeable batteries. Technical data and functions, ALMEMO® 8590 /8690 11/2025 • We reserve the right to make technical changes. ALMEMO® 8590 /8690, accessories Order no. Memory connector with micro SD, including USB card reader (see chapter „General accessories^ ZA1904SD DC adapter cable, 10 to 30 VDC, 12 V / 1 A, electrically isolated ZB3090UK2 • 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) Technical data ALMEMO® 8590 /8690 Precision class AA (see general technical specifications) Measuring rate (100), 50, 10 and 2.5 mops 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 Outputs 2 ALMEMO® sockets, suitable for all output modules (analog / data / trigger / relay cables, memory, etc.) ALMEMO® 8590 /8690, connecting cable USB data cable, electrically isolated V24 data cable, electrically isolated Ethernet data cable, electrically isolated Analog output cable, -1.25 to +2.0 V, 0.1 mV / digit Trigger and alarm cable (2 relays, 0.5 A, 50 V) Network technology, wireless modules (see chapter „Networking“) • Improved cold junction compensation with 2 sensors • Data logger option: Internal EEPROM sufficient for 100,000 measured values (option S) configurable as linear or ring memory - or memory connector with micro SD (accessory) • Sleep mode for long-term recording • 2 ALMEMO® output sockets, suitable for digital interfaces, analog output, trigger input, alarm contacts, memory card • 5 LEDs for indicating various operating states • Key for switching on and start / stop measuring • Complete sensor and device programming by means of ALMEMO® Connect software. Operation 1 key, 5 LEDs, 2 coding switches Internal memory (option S) Internal EEPROM sufficient for 100,000 measured values, configurable as linear or ring memory External memory (accessory) ALMEMO® memory connector with micro SD card Date and time-of-day Real-time clock, buffered with lithium battery Current consumption (without input and output modules) Active mode approx. 25 mA Sleep mode approx. 0.05 mA Environmental conditions see general technical data

Precision measuring instrument, 9 measuring inputs Data logger option with internal memory or external memory connector (accessory) Precision measuring instrument, 9 measuring inputs Data logger option with internal memory or external memory connector (accessory) Runs on rechargeable batteries, charging via the device itself 11/2025 • We reserve the right to make technical changes. Technical data and functions Technical data and functions • Technical data and functions, as for ALMEMO® 8590 / 8690 • Technical data and functions, as for ALMEMO® 8590 / 8690 • Runs on rechargeable batteries, high-speed...