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244-036 Datasheet(PDF) 1 Page - Tyco Electronics |
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244-036 Datasheet(HTML) 1 Page - Tyco Electronics |
1 / 12 page 240 Series DIN Panel Meters 8 Features An extensive range of specialist measuring meters in 4 case sizes Shock resistant taut band suspension Vibration-proof Hi-Q damping Slide in dials for 90°current, voltage and frequency on models 242, 243 and 244 Terminal covers supplied as standard Benefits Low cost Local indication Ease of installation Minimal training Low maintenance Customised options and features Applications Switchgear Distribution systems Generator sets Control panels Energy management Building management Utility power monitoring Process control Motor control Approvals LRS and BV Approvals. An extensive range of 48, 72, 96 and 144mm DIN style panel meters offering measurement of all electrical and electronic parameters. Meters are shock resistant and vibration proof and supplied with terminal covers. A selection of slide in dials and customised options are available. Movements In Crompton Instruments’ world-patented ‘Hi-Q’ taut band suspension, all the delicate parts of the traditional instruments are eliminated. There are no pivots, no jewel bearings, no hair-springs and no air damping vane. Instead, a tough platinum ribbon suspends the moving element between front and rear tension springs. Specially contoured pads are fitted to the ends of the spindle, and the working gap at each end is filled with a high quality silicon fluid. The pads, together with the fluid reservoir, form a system which acts as a resilient built-in shock absorber. This provides both rotational and longitudinal damping as the moving element floats on oil with no bearing friction and is effectively cushioned against shock and vibration. 360° Synchroscopes and power factor meters have robust pivot and jewel bearings with oil damping. Dials, Scales and Pointers Standard dials are matt white with black printed scales and bar knife-edge pointers. Black dials with white or yellow scales and pointers are also available. Interchangeable slide in dials are used on models 242, 243 and 244 90° moving iron, moving coil and frequency meters. General options include red supplementary pointers, red indexes (quadrant scales), red, green or blue lines, bands or segments, finely spaced divisions, multi-scales, special scales and captions to customer' requirements. Illumination Internal illumination is available in the following models: • 244 and 246 shortscale moving coil and moving iron vane. • 243, 244 and 246 longscale moving coil and moving iron vane. Through dial (Translucent) illumination on 244 and 246 models. Edge illumination on 243, 244 and 246 models. Replaceable 6, 12 or 24V lamps are used on all models except 243 longscale meters, where the lamps are internal. Specification Performance BSEN60051 Measuring Ranges DIN 43701 Accuracy Overload BSEN60051 Dimensions DIN 43700 Scale Marking Generally DIN43802 Magnetic Influence BSEN60051 Safety IEC414 Terminals Clamp strap M4 up to 25A. Clamp strap M8 over 25A Humidity Range Up to 95% RH (non condensing) Test Voltage @50Hz 2kV RMS for 1 minute Overload AC Current x 1.2 continuous x 10 for 5 seconds Overload AC Voltage x 1.2 continuous x 2 for 5 seconds Frequency See main pages for other instruments Damping Time Less than 3 seconds is standard. More heavily damped movements are available on request. Standard Calibration 23°C Operating Temperature -20°C to +60°C Enclosure Code IP54 as standard (to BSEN60529). IP55 consult factory Terminals IP20B with terminal cover or terminal boots fitted Case Grade UL94V0 Base Grade UL94V1 |
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