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PTL Temperature Measuring Board
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to measure the temperatures in the bases or in the fixing surfaces for appliances and luminaries in operation
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according to
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IEC 60335-1
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:2006-09 § 11.2 and § 11.3.
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Standard Outfit:
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1
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Plywood board, 20 mm thick, with frame on all sides and with covering board at the lower side, together approx. 150 mm thick, with 4 feet,
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1
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set Measuring Points consisting of:
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Copper Disks, diameter 15 mm, 1 mm thick, embedded at distances of 50 mm x 50 mm in the plywood board,
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and Fine-wire Thermocouples nickelchromium-nickel (NiCr-Ni), soldered to the back of the copper disks, thermoelectric wires with a diameter of 0.3 mm, insulated with glass-silk or similar temperature resistant material,
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1
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set of change-over switches to select the lines resp. rows of the copper disks, to connect the selected copper disk with socket-outlet or temperature indicating instrument,
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1
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socket-outlet, two-pole, almost free of thermoelectric voltage, plug with cable of nickelchromium-nickel, length 1.5 m, for the connection of a external measuring instrument,
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1
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temperature indicating instrument supplied by battery, and switch to select instrument or socket-outlet.
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Design:
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Plywood board, frame and copper disks varnished dull black, copper disk lines and rows marked.
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Most Temperature Measuring Boards are tailor-made, the following Article Nos. are examples.
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Measuring area
in mm x mm
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Copper disks
lines x rows = quantity
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Article No.:
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351 x 650
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7 x 13 = 91
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T 06.09
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500 x 750
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10 x 15 = 150
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T 06.15
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700 x 900
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14 x 18 = 252
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T 06.25
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850 x 1 150
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17 x 23 = 391
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T 06.39
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