ERH-xx-20
2Pages

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Catalog excerpts

ERH-xx-20 - 1

Magnetic level switch ERH-xx-20 Level signalling of the medium having minimum density 0,70 g/cm3. The basic version, mounted from the top, is available with 92x92mm flange connector, head made from aluminium alloy and M20x1,5 cable gland with casing protection degree IP68. Other versions of mechanic or threaded flange connectors according to the ordering code. There is also a possibility of ordering the level swicth with connector according to the requirements, e. g. with flange acc. to DIN or ANSI standard. The level switch can also be ordered in version fully made from acidproof steel, with additional cover protecting the float, made from stainless steel, with additional cover protecting the float, as well as with certified cable of optional length. The level switch has DNV GL Marine approval and ATEX certification. Technical data Min. medium density Max. process pressure Ambient temperature Medium temperature Switching points Switching rate * Hysteresis Ingress Protection Type of temp. senor Pt100 ATEX II 2G Ex db IIC T3÷T6 Gb Material of the wet part 316L Material of the dry part aluminum alloy or 316 Floating element Ć40x35mm Protection tube Ć60 Weight of the level switch ** 0,3...8,5 kg Weight of the cable 0,15 kg/m * maximum parameters of the reed relays apply to the loads of resistance character; for inductive loads such as relay coils, one should apply adequate protecting systems (detailed pieces of information in Operation Manual) ** it depends on the version The dimensions A, B and C depend on the ordered version. For one signalling point: A min. 50mm, A max. 1000mm. For two signalling points: A min. 150mm, A max 1000mm; B min. 50mm, B max 900mm; (A – B) min. 100mm. For three signalling points: A min. 250mm, A max 1000mm; B min. 150mm, B max 900mm; C min. 50mm, C max 800mm; (A – B) min. 100mm, (B – C) min.

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ERH-xx-20 - 2

Level switch with flange connector Ł 92mm (4 holes Ć14/Ć92mm) Level switch with flange connector Ć120mm (6 holes Ć12/Ć100mm) Level switch with flange connector DN80PN40 (8 holes Ć18/Ć160mm) Level switch with threaded connector 2” NPT Level switch with connector according to the order 1 switching point (give value A in mm) 2 switching points (give values A and B in mm) * 3 switching points (give values A, B and C in mm) * Electric connector IP68 without cable (not available with Ex option) Electric connector IP68 with cable 3m length ** (not available with Ex option) Electric connector...

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