Dwyer Mini-Photohelic® MP微差压开关/表

Dwyer Mini-Photohelic® MP微差压开关/表

MP系列 Mini-Photohelic® 微差压开关/表将可靠耐用的Minihelic® II为差压表和和两个单刀双掷的设定开关结合起来，用于监测和控制气体的正压，负压或差压，微差压表的读数和开关的动作是分别独立的。 前面板和背板上都带有开关的状态LED指示灯，开关的设定点值可通过背板上的按键来调整。这个小尺寸的微差压开关/表适用于通风柜，洁净室，以及除尘，气力输送等应用场合。

GAGE SPECIFICATIONS

Service: Air and non-combustible, compatible gases.

Wetted Materials: Consult factory.

Accuracy: ±5% FS @ 70°F (21.1°C). Gage face mounted in vertical position.

Pressure Limits: 30 psig (2.067 bar).

Temperature Limits: 20 to 120°F (-6.7 to 49°C).

Process Connections: Barbed for 3/16" ID tubing (STD); 1/8" male NPT (optional).

Size: 4-1/8" (104.78 mm) depth x 3-1/16" (77.79 mm) diameter.

Weight: 23 oz (652 g).

SWITCH SPECIFICATIONS

Switch Type: (2) SPDT relays.

Electrical Rating: 5 A @ 120/240 VAC resistive; 5 A @ 30 VDC.

Electrical Connections: Screw type terminal block. Accepts 22-12 AWG wire.

Power Requirements: 24 VDC / 24 VAC 50/60 Hz 4 W.

Mounting Orientation: Gage face in vertical position.

Set Point Adjustment: Push buttons.

Standard Accessories: (2) mounting screws, (1) .050" hex allen wrench.

Agency Approvals: CE, cULus.

OPTIONS:

• For optional 1/8" male NPT connections, add suffix -NPT to model numbers.
  Example: MP-000-NPT. No extra charge. Allow additional lead time.

ACCESSORIES:

• A-489 - 4" 303 SS straight static pressure tip with flange.
• A-301 - Static pressure tip, for 1/4" metal tubing connection.
• A-302 - Static pressure tip, for 3/16" and 1/8" ID plastic or rubber tubing.
• A-302F-A - 303 SS Static pressure tip with mounting flange, for 3/16" I.D. rubber or plastic tubing. 4" insertion depth, includes mounting screws
• Dwyer Mini-Photohelic® MP微差压开关/表