Proximity Mark 阀位开关变送器 QV系列  

各种输出选项。四种模型样式组成了Mark系列，几乎涵盖了所有应用程序。Mark系列的标准型号具有目视位置指示器，并且能够防水、防爆和潜水。有各种各样的输出可用于特定的应用程序。有14个品种的1至6个开关输出选择，包括感应传感器、高温开关、金触点开关、密封开关和大电流开关。除了开关输出，该系列还提供电位器输出和HART®通信。这些设备可以用于直接驱动，如旋转阀，也可以用于杠杆驱动，如线性阀。可调式目视指示器是直接驱动装置上显示开/关状态和度数的标准指示器                                                                                                                                             Product Rating:Weatherproof and flameproof. NEMA 1, 2, 3, 3R, 3S, 4, 4X, 6, 7, 9, 12, 13. UL rated: Class I, Div. 1 & 2, Groups B, C, D (some units available for Group A, consult factory); Class II, Div. 1 & 2, Groups E, F, and G. CSA rated: Class I, Div. 1 & 2, Groups A, B, C, D; Class II, Div. 1 & 2, Groups E, F, and G; Submersible to 50 feet. Certified Ex d IIC T6 IP68 15 meters). ATEX Compliant: -B suffix, directive 2014/34/EU, KEMA 03 ATEX 2391, II 2 G Ex d IIC T6 for (-25/-40/-50°C = Tamb = 80°C optional wording) depending on output and switch type selected. -IS suffix directive 2014/34/EU, KEMA 03 ATEX 1392X, II 1 G Ex ia IIC T4. (Switch type C is not available with ATEX; Switch type B is not available with ATEX intrinsically safe, -IS suffix). IECEx Compliant: IE suffix, IECEx DEK II.0056X Ex d IIC T6 Gb for -25°C/-40°C/-50°C = Tamb = 70°C and T5 for -25°C/-40°C/-50°C = Tamb = 80°C. II suffix, IECEx DEK II.0061X II Ex ia IIC T4 Ga. Compliant per EN 60079-0:2007 EN 60079-11:2006 and EN 60079-26:2006.

Potentiometer (Mark 1, 3 and 4)

Accuracy:±0.5% of full span. Optional ±0.25% of full span.

Temperature Limits:-40 to 176°F (-40 to 80°C). [ATEX flameproof, -B suffix, rated -40 to 80°C (-40 to 176°F) for switch type A, G, M, O, R, S, T, V, or W; -25 to 80°C (-13 to 176°F) for switch type B, D, or I; ATEX intrinsically safe, -IS suffix, rated -25 to 40°C (-13 to 104°F) for switch type I; -40 to 40°C (-40 to 104°F) for switch type O, R, S, V, or W].

Power Rating:1.5 watt maximum.

Output Signal:1000Ω standard. Optional 2000, 5000, 10000, or 20000 Ω.

Zero and Span Adjustments:Span trim pot with 2000Ω adjustment. No zero adjustment.

Rotational Travel:Mark 1 and 4: Minimum 0°, Maximum 340°; Mark 3: 0 to 10 revolutions.

Transmitter (Mark 1, 3 and 4)

Accuracy:±0.5% of full span. Optional ±0.25% of full span.

Temperature Limits:-40 to 176°F (-40 to 80°C). [ATEX flameproof, -B suffix, rated -40 to 80°C (-40 to 176°F) for switch type A, G, M, O, R, S, T, V, or W; -25 to 80°C (-13 to 176°F) for switch type B, D, or I; ATEX intrinsically safe, -IS suffix, rated -25 to 40°C (-13 to 104°F) for switch type I; -40 to 40°C (-40 to 104°F) for switch type O, R, S, V, or W].

Power Requirements:5 to 30 VDC.

Current Consumption:50 mA.

Output Signal:4 to 20 mA.

Zero and Span Adjustments:Trim pots for adjusting both. Mark 1 and 4: Span is adjustable from 50 to 300°; Mark 3: Span is adjustable from 1.5 to 8.5 revolutions.

Conduit Connection:3/4" female NPT standard. Optional one or two 1/2" female NPT. M25 X 1.5 and M20 X 1.5 optional.

Rotational Travel:Mark 1 and 4: Minimum 50°, Maximum 300°; Mark 3: Minimum: 1.5 revolutions, Maximum: 8.5 revolutions.

Transmitter w/HART® (Mark 1, 3 and 4)

Accuracy:±0.25% of full span.

Temperature Limits:-40 to 176°F (-40 to 80°C). [ATEX flameproof, -B suffix, rated -40 to 80°C (-40 to 176°F) for switch type A, G, M, O, R, S, T, V, or W; -25 to 80°C (-13 to 176°F) for switch type B, D, or I].

Power Requirements:8 to 30 VDC.

Current Consumption:21 mA.

Output Signal:4 to 20 mA.

HART® Receive Impedance:Rx = 500 kohm; Cx = 2500 pF.

Zero and Span Adjustments:Pushbuttons or HART® master for setting both. Mark 1 and 4: Span is adjustable from 0 to 330°; Mark 3: Span is adjustable from 1.5 to 8.5 revolutions.

Conduit Connection:3/4" female NPT standard. Optional one or two 1/2" female NPT. M25 and M20 optional.

Rotational Travel:Mark 1 and 4: Maximum 330°; Mark 3: Minimum: 1.5 revolutions, Maximum: 8.5 revolutions.