ALMEMO® MEASURING INSTRUMENTS 2490 - AHLBORN - #1

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ALMEMO® MEASURING INSTRUMENTS 01.14 10/2008 We reserve the right to make technical changes. 01 www.ahlborn.com ALMEMO® 2490-1L compact measuring instrument with more than 65 measuring ranges, with just one measuring input, with memory for 100 measured values ALMEMO® 2490-2L with 2 measuring inputs Technical features : .. Universal measuring instrument with 1 or 2 ALMEMO® input sockets, 8 channels, 4 internal function channels (e.g. differential values) .. Memory sufficient for 100 measured values, can be called up and viewed in the display .. High-resolution A/D converter, 16-bit, 10 mops .. More than 65 standard measuring ranges .. Support for ALMEMO® connectors with multi-point calibration, special linearization, and special measuring ranges .. Generously dimensioned 2-row static 7 / 16 segment display including units .. Easy and convenient to operate by means of 7 keys .. Measuring functions : Measured value, zero-setting, sensor adjustment, saving of maximum / minimum values, memory for 100 measured values, cold junction compensation, and temperature compensation .. Test functions : Segment monitoring, range monitoring, sensor breakage indication, battery voltage check and display Technical data : Measuring inputs 2490-1L 1 ALMEMO® input socket 2490-2L 2 ALMEMO® input sockets electrically isolated with semiconductor relays 50V Channels Per sensor, max. 4 channels (sensor-type-specific, measuring and function channels), only 2490-2L plus 4 internal function chan. A/D converter delta-sigma, 16-bit For technical data see page 01.05. Measuring ranges as on page 01.06, but Volts DC -2.0 to +2.6 V Milliamperes DC -26 to +26 mA Connector supply Battery 9 V, max. 150 mA Outputs none Standard equipment LC display 7 segments Measured value 5 char., 15 mm Function 4½ characters, 9 mm 16 segments Units 2 characters, 9 mm 9 symbols Keypad 7 silicone keys Power supply Battery 3 AA alkaline batteries Current consumption approx. 20 mA without input modules Housing ABS (maximum 70 °C) (LxWxH) 127 x 83 x 42 mm Other general data see Technical Data, page 01.05 Extent of the delivery Includes 3 AA alkaline batteries, operating instructions, and manufacturer’s test certificate Universal measuring instrument ALMEMO® 2490-1L 1 measuring input, memory for 100 measured values, LC display, 7 keys Order no. MA24901L Universal measuring instrument ALMEMO® 2490-2L like 2490-1L, plus 2 measuring inputs Order no. MA24902L Option IP54 protection (if water-proof connectors are used) OA2490W Accessories Top hat rail mounting ZB2490HS Rubberized impact protection, ZB2490GS1 green Magnetic fastening ZB2490MH Instrument case ZB2490TK