1. Catalogs
  2. Ahlborn
  3. ALMEMO® 2890-9

ALMEMO® 2890-9

ALMEMO® 2890-9

ALMEMO® 2890-9

Product catalog summary
Overview: The ALMEMO® 2890-9 is a precision measuring instrument designed for high accuracy and stability, featuring a fast measuring rate of up to 50 operations per second, expandable to 400 with an SD card. It supports 9 electrically isolated measuring inputs and over 65 standard measuring ranges.
Key Features:
  • Enhanced measuring accuracy and stability.
  • Fast measuring rate, up to 50 mops, expandable to 400 mops for one channel.
  • 9 measuring inputs with electrical isolation.
  • Support for ALMEMO® plugs with multi-point adjustment and special linearization.
  • Data logger with internal EEPROM for 100,000 values, configurable as linear or ring memory.
  • Generously dimensioned graphics display with bright illumination.
  • Operates on rechargeable batteries with high-speed charging capability.
Technical Specifications:
  • Precision class: AA.
  • Measuring rate: 100, 50, 10, and 2.5 mops.
  • Electrical isolation with semiconductor relays (50 V).
  • Rechargeable battery: 9 or 12 V, max 0.5 A.
  • Outputs: 2 ALMEMO® sockets for various output modules.
  • Display: 128 x 128 pixels, 16 rows with 5 white LEDs for illumination.
  • Memory: EEPROM sufficient for 100,000 measured values.
  • Power supply: 6 rechargeable NiMH batteries, 1600 mA with integrated high-speed charging.
Accessories and Options:
  • Memory connector with micro SD and USB card reader.
  • DC adapter cable, 10 to 30 VDC, electrically isolated.
  • Multi-point adjustment and special linearization options.
  • Temperature ranges for 8 refrigerants.
Standard Delivery Includes:
  • Rechargeable battery pack, mains unit, USB data cable, and carry case.
  • Operating instructions and manufacturer's test certificate.
Additional Information: The device supports multiple languages including German, English, and French. It is suitable for various digital interfaces, analog output, trigger input, alarm contacts, and memory card usage. Calibration options are available to meet DIN EN ISO/IEC 17025 standards.
See more

Catalog excerpts

ALMEMO® 2890-9-1

ALMEMO® precision measuring instrument with data logger function. 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 06/2018 • We reserve the right to make technical changes. 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 400 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 • Additional thumb-wheel for extra cursor speed • 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 Technical data Precision class AA (see page 01.04) 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), thumb-wheel 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 ZB1112NA10 100 to 230 VAC to 12 VDC, 2 A electrically isolated DC adapter cable electrically isolated ZB2590-UK 10 to 30 V, 1 A 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

 Open the catalog to page 1
ALMEMO® 2890-9-2

ALMEMO® Measuring Instruments ALMEMO® 2890-9 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, -1.25 to +2.0 V, 0.1 mV / digit Trigger and alarm cable (2 relays, 0.5 A,...

 Open the catalog to page 2

All Ahlborn catalogs and technical brochures

  1. ALMEMO® 2490

    2  Pages

  2. ALMEMO® 2450

    2  Pages

  3. ALMEMO® 202

    2  Pages

  4. ALMEMO® 710

    3  Pages

  5. 2690-8A

    2  Pages

  6. ALMEMO® 2470

    3  Pages

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.