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Ma n u a l T e mp e r a t u r e s e n s o r P R - S P A - E X - N WT...
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During installation one has to pay attention that no damage occurs to cable and insulation. The supply lines (connecting wires) have to be installed strain-relieved. EPHY-MESS GmbH • Berta-Cramer-Ring 1• 65205 Wiesbaden • Germany • phone: +49 6122 9228-0 fax: +49 6122 9228-99 • info@ephy-mess.de...
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E x R x I² = self-heating coefficient, K/mW = 0.4 KmW ∆T = self-heating = permissible surface or ambient temperature 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 2 of 9...
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16 W 2,08 W Permissible surface/ – self-heating - self-heating ambient temperature Capacity C negligible negligible Inductivity L negligible negligible 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 3 of 9...
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The connecting cables must be laid straight and without loops. It is not allowed to connect, install or apply the PR-SPA-EX-NWT sensor in another way than described under item 4 and 5. Constructions with plugs are generally available with Ex i ignition protection. The operating temperatures and the electrical values of the each plug must be considered.
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-40°C … +180°C temperature: Thermistor (PTC) Measuring circuits: 1 or 2 60°C … 180°C Max. current: 2 mA Max. voltage: 2.5 V 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 5 of 9...
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PR-SPA-EX-NWT + variant identification (see 8. Variant identification) Design Version depending on the point of installation see 8. Variant identification NWT: Slot resistance sensor EX-certification Sensor, passive Product 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 6 of 9...
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1) Addition. E. g.: In KTY also be asked to specify color code and polarity of the line e. g.: YE (+) / GN (-) 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 7 of 9...
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) EN 60584 BK(BK / WH ) EN 60584 GN(GN / WH ) EN 60584 OR(OR / WH ) EN 60584 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 8 of 9...
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9.3.2 Connection diagram equipment protection by intrinsic safety (Use of a suitable operating equipment) supply unit Pt100 measuring resistor Wiesbaden, 23 of June 2017 23.06.2017 Manual - IBExU 14 ATEX 1281 U - IECEx IBE 14.0058 U - PR-SPA-EX-NWT Page 9 of 9...
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