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ALMEMO ® 2690-8A

ALMEMO ® 2690-8A
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ALMEMO® Measuring Instruments 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, 5 measuring inputs. Runs on rechargeable batteries, charging via the device itself Technical data and functions ALMEMO® 2690-8A • 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 • 5 measuring inputs, electrically isolated • Integrated atmospheric pressure sensor, for automatic pressure compensation, inter alia for Pitot tube ﬂow measurement and humidity variables • 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 • Option GT for 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 200,000 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 (other options also available) • 2 ALMEMO® output sockets, suitable for digital interfaces, analog output, trigger input, alarm contacts, memory card • Runs on rechargeable batteries (standard), high-speed charging in the device itself using the mains unit, included in delivery • Modern housing with rubberized impact protection and folding stand, splash-proof Technical data Precision class 9 tactile silicone keys (4 soft-keys) Measuring rate Measuring inputs Electrical isolation 5 ALMEMO input sockets with semiconductor relay?*?s (50 V) for analog sensors Additional electrical isolation between measuring inputs and power supply (device ground) EEPROM suﬃcient for 200,000 measured values Real-time clock, buﬀered with battery Additional channels 4 function channels, device-internal Sensor power supply Rechargeable battery/ies Mains adapter new: Atmospheric pressure sensor Integrated Measuring range 700 to 1100 mbar Accuracy ±2.5 mbar (at 0 to 65 °C) Outputs Graphics display Illumination 2 ALMEMO® sockets, suitable for all output modules (analog / data / trigger / relay cables, memory, etc.) 128 x 128 pixels, 16 rows 5 white LEDs, 3 brightness levels Power supply Rechargeable battery/ies Mains adapter DC adapter cable 3 AA batteries NiMH or alkaline integrated, high-speed charging (2.5 hours) ZA1312NA10 100 to 240 VAC to 12 VDC, 2 A electrically isolated electrically isolated ZA2690-UK2 10 to 30 V, 1 A Current consumption (without input and output modules) Active mode approx. 17 mA With illumination approx. 25 to 140 mA Sleep mode approx. 0.05 mA Housing Protective class IP54 (if water-proof plugs / sensors are used)

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ALMEMO® Measuring Instruments Precision measuring instrument, 5 measuring inputs Data logger with internal memory or external memory connector (accessory) 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 Ethernet data cable, electrically isolated Analog output cable, -1.25 to +2.0 V, 0.1 mV / digit ZA1945DK Trigger and alarm cable (2 relays, 0.5 A, 50 V) ZA1006EKG ZA1601RK Network technology,...

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