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P1224MC Datasheet(PDF) 3 Page - Systemsensor advanced ideas. |
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P1224MC Datasheet(HTML) 3 Page - Systemsensor advanced ideas. |
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3 / 4 page  Table 1-A: SpectrAlert Strobe UL Max. Current Draw Candela Setting FWR Operating Current–Strobe (mA RMS) DC Operating Current–Strobe (mA RMS) 8-17.5V 16-33V 8-17.5V 16-33V 15 112 64 127 59 15/75 135 74 127 69 30 93 90 75 158 160 110 208 209 Table 1-B: Horn UL Max. Current Draw Measurements (mA RMS) Selectable Horn Tones DC FWR 8-17.5V 16-33V 8-17.5V 16-33V Temporal Low Volume Electromechanical 15 23 13 23 3000HzInterrupted 15 33 13 23 High Volume Electromechanical 36 53 20 44 3000HzInterrupted 43 57 21 40 Non- Temporal Low Volume Electromechanical 16 37 19 29 3000HzInterrupted 16 32 18 33 High Volume Electromechanical 38 49 46 49 3000HzInterrupted 44 56 42 58 Table 1-C: 12VDC Horn/Strobe UL Max. Current Draw Measurements (mA RMS) Temporal Low Volume High Volume Candela Setting Electromechanical 3000 Hz Electromechanical 3000 Hz 15 111 111 112 112 15/75 127 127 126 129 Non-Temporal 15 113 112 114 115 15/75 128 128 130 134 Table 1-D: 24VDC Horn/Strobe UL Max. Current Draw Measurements (mA RMS) Temporal Low Volume High Volume Candela Setting Electromechanical 3000 Hz Electromechanical 3000 Hz 15 71 70 73 75 15/75 86 85 87 88 30 99 98 100 100 75 166 166 167 170 110 209 209 210 213 Non-Temporal 15 74 74 79 82 15/75 86 88 93 96 30 101 101 107 110 75 167 167 173 176 110 213 213 218 222 Explanation of Published Voltage, Current, and SPL Specifications In May 2004 Underwriters Laboratories changed standard UL 1971 to require that operating current measuremments are made using RMS (root mean square) instead of peak or average values. RMS measurements more accurately predict the power consumption of a device since they take into account the entire current draw profile including surge, repetitive surge, and peak values. The published RMS cur- rent is the maximum operating current of that device within its operating voltage range. This current maximum may or may not occur at the endpoints of the voltage range. Similarly, UL tests the audibility of devices in accordance with UL 464 by measuring them across the operating volt- age range to determine the minimum sound pressure level produced at any particular setting. During May 2004, UL also changed the way they list the voltage range of a device. All 12V products will be listed between 8 – 17.5V and all 24V products will be listed between 16 – 33V. Those devices are considered “regulat- ed”. Any product that does not operate within these ranges will be listed as a “special application” with its operating voltage specified on the device. Notes 1.Currentdrawforstrobe-onlyproductsisshowninTable1-A. 2.Currentdrawforhorn-onlyproductsisshowninTable1-B. 3.12VDC2-wirehorn/strobecurrentisshowninTable1-C. 4.24VDC2-wirehorn/strobecurrentdrawisshowninTable 1-D. 5.Currentdrawforotherhorn/strobepowersuppliescanbe calculatedbyaddingthestrobecurrentinTable1-Atothe horncurrentinTable1-Bfromthechosensettings. Viewing Window SpectrAlert Strobe Candela Selections Forstrobecandelaselection,adjustslideswitchlocatedonthe rearoftheproductwhilewatchingtheviewingwindowonthe sideofthereflector. Permissible Candela Settings Candela Setting Operating Voltage 12V 24V 15 OK OK 15/75 OK OK 30 OK 75 OK 110 OK A0133-00 |
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