Dwyer pressure switch 1910-0

Dwyer pressure switch 1910-0

Dwyer’s universal 1910 series differential pressure switch combines advanced design and precise construction, making it suitable for applications where large-sized and expensive micro differential pressure switches can be used.

It is designed for air conditioning engineering applications and is also suitable for many applications in fluid engineering, refrigeration industry, furnaces, and drying.

Suitable for air and non combustible gases, the 1900 series switch can be set from 0.07 to 20 ˝ (1.8 to 508 mm) inches of water column.

The set point adjustment adopts rotation adjustment inside the casing. Internally installed to prevent accidental movement. UL, CE, CSA, and FM certifications.

Technical indicators:

Media: Air and non flammable, compatible with gases

Material: Please consult the manufacturer

Temperature range: -30 to 180 ° F (-34 to 82.2 ° C)

Pressure range: Continuous pressure 45 ˝ w. C. (11.2 kPa), impact pressure 10 psig (68.95 kPa)

Switch type: Single Pole Double Throw (SPDT)

Repeatability: ± 3%

Electrical indicators: 15 A @ 120-480 VAC, 60 Hz Resistive 1/8 HP @ 125VAC, 1/4 HP @ 250 VAC, 60 Hz Derate to 10 A for operation at high cycle rates

Electrical interface: 3 rotating terminals, general, normally open, normally closed

Connection: 1/8 ˝ NPT. Internal thread

Installation positioning: The diaphragm is used in the vertical direction. For other positioning, please consult the manufacturer

Set point adjustment: screw adjustment inside the casing

Weight: 1lb, 4.5 oz (581 g)

Institutional certification: CE, UL, CSA, FM

All weather housing optional: -16 gauge steel housing with gasket sealing (NEMA 4, IP66), suitable for damp or oily environments. Can withstand 200 hours of salt spray testing. Weight. 5 pounds (2.3 kilograms). The switch is installed by the factory. Change the basic model to 1911 and add the – WP suffix. For example: 1911-1-WP.

Explosion proof housing optional: – Cast iron base with brass outer layer. Riot level: Class I, Group D; Class II, Groups E, F, G. (weighing 7 pounds). The switch must be installed at the factory.

Change the basic model to 1911 and add the – EXPL suffix. For example: 1911-1-EXPL.

Manual reset model 1900-MR: – includes a special spring switch for increased pressure. When the pressure drops below the set value, it must be manually reset.

Change the basic model to 1900 and add the suffix MR. For example: 1900-10 MR. Only within the range of -1, -5, -10, or -20. No UL, CSA, or FM certificates. Note: The Manual Reset (MR) option is only applicable to single positive pressure applications.

Dwyer压力开关1910-0

Dwyer 通用的1910系列差压开关 组合了先进设计和精确的构造，可以适用于尺寸大价格高的微差压开关所能应用的场合。
它为空调工程应用而设计，也适用许多流体工程，冷冻工业，熔炉和烘干等方面的应用。
适用一于空气和不可燃气体，1900系列开关可设置从0.07到20˝（1.8到508 mm）英寸水柱。
设定点调节采用在外壳内旋转调节。内部安装以防误动。UL，CE，CSA和FM认证。
技术指标 ：
介质：空气和不易燃，兼容气体
材质：请向厂家咨询
温度范围：-30至180°F（-34至82.2°C）
压力范围：持续压力45˝ w.c.（11.2 kPa），冲击压力10 psig（68.95 kPa）
开关类型：单刀双掷（SPDT）
重复性：±3%
电气指标：15 A @ 120-480 VAC，60 Hz. Resistive 1/8 HP @125VAC，1/4 HP @ 250 VAC，60 Hz.Derate to 10 A for operation at highcycle rates
电气接口：3个旋转接线端，一般，常开，常闭
连接件：1/8˝ NPT。内螺纹
安装定位：膜片用于垂直方向，其它定位请向厂家咨询
设定点调节：外壳内螺丝调节
重量：1lb，4.5 oz（581 g）
机构认证：CE，UL，CSA，FM

全天候外壳可选： – 16 ga钢制外壳采用垫片密封（NEMA 4，IP66），适用于潮湿或油性环境。可承受200小时的盐雾测试。重量。5磅（2.3千克）。开关由工厂安装。将基本型号更改为1911并添加-WP后缀。例如：1911-1-WP。
防爆外壳可选： – 带有黄铜外层的铸铁底座。防暴等级 Class I, Group D; Class II, Groups E, F, G. (重 7 lbs).开关必须在工厂安装。
将基本型号更改为1911并添加-EXPL后缀。例如：1911-1-EXPL。
手动复位型号1900-MR： – 包括特殊的弹簧开关，在压力增加的情况下。当压力降至设定值以下时，必须手动复位。
将基本型号更改为1900，并添加后缀MR。例如:1900 – 10 -MR。仅限-1、-5、-10或-20范围。没有 UL, CSA或FM证书。注意:手动复位(MR)选项仅适用于单一正压应用。