Mercoid pressure switch manual filetype pdf

Mercoid series e explosionproof diaphragm operated pressure switch. Bicking, honeywell micro switch this tutorial addresses the basic physics of pressure, three types of pressure measurement, seven pressure sensor technologies, and three calibration techniques. Industrial pressure switches surplus sales of nebraska. Pressure 1200 psi, contact type spdt, amps 15a, hp 18 hp 125 v ac, 14 hp 250 v ac, enclosure nema 4x, number of ports 1, inlet 14 in fnpt, temp. Pressure switch, weather proof and explosion proof, actuation type diaphragm, pressure range 10 to 150 psi, differential pressure 4 to 7. The eda incorporates two spdt relays that have the on and off points fully adjustable over the range for control or alarm use. Looking for mercoid 5 digit lcd screw terminals explosion proof pressure transmitter. Whatever your application might be, it is most probable it can be fully satisfied with a d series pressure switch. Mercoid da311539 mercoid switches moyer instruments.

D bourdon tube pressure switches pressure ranges to 8000 psi 551. Installation guide pressure switch kp 15, kp 17w, kp 17b. Specific application requirements can normally be met by selecting optional components, such as switching elements and diaphragm systems. Pressure bourdon tube pressure switches pressure ranges to 8000 psi 551. Mercoid series e explosionproof diaphragm operated. Series 1 pressure switch pressure switches series 1 pressure switches inc. Mercoids first control was a bourdon tube pressure switch that was released in 1921. As a leading manufacturer in the controls and instrumentation industry, dwyer products serve major markets. Mercoid series d pressure controlsfeature hermetically sealed mercury switches, bourdon tube power elements, visible setpoint, adjustable deadband or fixed deadband and pressure ranges from 030 hg.

The mercoid vacuum limit switch adjustment ranges, or set points are variable over the entire scale 2. Dwyer mercoid series ap diaphragm operated pressure switch. Manual trip function enables electrical connections verification without any. Reliable pistonactuated, force balanced construction rugged, high cycle rate tolerance precise resolution of set. Established in 1916, mercoid has been serving industry for over 80 years.

All sil2certified fema pressure switches, thermostats, and 2wire transmitters at a glance. Upon a drop in pressure, mercury switch b will close its circuit at 49 psi. Mercoid gas differential pressure switch pg7000153p2. Suffix u denotes control will operate automatically on a decrease in pressure. Da311539 mercoid da311539 d series pressure switch. Bulletin l20 mercoid a division of dwyer instruments, inc. Order mercoid pressure transmitter, 0 3600 psi, fm, ce, 3200g4fm11 at. The dual hilo pressure switches in this catalog are suitable for a wide variety of process applications. Instruction manuals and catalog pages in pdf format for easy viewing and download. Upon a drop in pressure, mercury switch b will close its circuit at 49. The switches have excellent repeat accuracy, even over widely varying ambient conditions.

Looking for mercoid diaphragm pressure switch, differential. The mercoid dads series is one of the worlds broadest lines of pressure switches. Range 30 to 180 f, standards class i, groups b, c and d, class ii groups e, f, and g. Mercoid pressure switches are available with mercury or snap action contacts. Dwyer instruments pressure gauge, temperature, level and. The mercoid smart pressure transmitters software is implemented. The mercoid vacuum limit switch is designed to open the pump circuit, shutting off the swimming pool pump when the vacuum limit is exceeded normally 15. Mercoid pressure switch manual filetype pdf polar s720i manuale scolare best manual settings for low search cals provider manual. Mercoid controls produces a broad range of pressure, temperature, and level controls for use in heavy industrial, petrochemical, and electrical utility plants. Mercoid da311539 pressure switch, brass bourdon tube, range 10300 psig, 12 psig min. Brass bourdon tube material, 5 150 adjustable operating range psig, 3 minimum deadband psig. The operating pressure is adjustable externally using the thumb screw on.

Switch indication external led for each relay on the front panel. Wire the control following the instructions on pages 5 through 7. Dwyer mercoid series ap diaphragm operated pressure switch, range psig, spdt snap switch, low deadband 0. Pressure switch logos are entitled to their respective owners. Consult your area sor representative or the factory. After we make our confirmations then we will replace the defective item with an equivalent item. Mercoid series da ds bourdon tube pressure switches. If your item is received in a different condition than stated doa, not working properly etc. Bellville spring movement permits mounting of control in any. Series eda electronic pressure control is an extremely versatile compact package that can replace a separate gage, two switches, and a transmitter in a system saving money, installation time, and panel space. We have 1 dwyer instruments mercoid eda series manual available for free pdf download.

Same rugged construction as used in series w plus explosionproof design are combined in this new unit. The mercoid d series is one of the worlds broadest lines of pressure switches. The switch with its ingenious design became an instant success and has lasted over eighty years through its evolution into the present d series pressure control. The fixed differential sensitivity of each switch for this particular range is 1 psi. Pressure switch shall be mercoid series da operated by a brass type 316 stainless steel type 403 stainless steel bourdon tube actuating a mercury switch snapswitch. Mercoid offers bourdon tubes constructed in a choice of brass, type 403 stainless steel, and type 316 stainless steel.

Mercoid da3129 pressure switch well gain electronics. If the page is not updated in 2 seconds, please follow this link. Mercoid series da pressure switch maintains desired gas pressure. Series eda electronic pressure controller is versatile.

When a pressure switch fails, the engineer is generally on his own in. Mercoid da311539 d series pressure switch with mercury switch and general purpose enclosure. Dwyer mercoid series da brass bourdon tube pressure switch. To begin our investigation of pressure sensors, we first must consider the physics on which the technology is based. New mercoid pressure switch ds22129s ds2212 14 npt 120240 vacvdc new. Quality pressure solutions differential pressure switch.

Pressure switch 4 psi normally closed floating ground. Dwyer dads series bourdon tube pressure switches dwyer. Sor switches are engineered to exceed the minimums of the required agency. Other requirements may be to isolate the switching mechanism from the elements and corrosive environments or atmospheres, or be weathertight for external use. Pressure control equipment fittings and tubing flow control equipment switches. These single or multipoint sensors have no moving parts and the. When pressure rises to 50 psi, mercury switch b will open its circuit. Brass bourdon tube material, 10 300 adjustable operating range psig, 12 minimum deadband psig. Certain applications may require customized specials.

In processes they are often used as low pressure or high pressure switches to make sure you have enough pressure or that you do not exceed either below or above certain pressures. The d series has extremely high sensitivity and great repeatability. Specifications installation and operating instructions. Transmitter is a microprocessor based pressure transmitter with a capacitance sensor optimized for. Specificationsinstallation and operating instructions. Box 373michigan city, indiana 46361phone 219 8798000fax 219 8729057 u. Output signal 4 to 20 ma, 1 to 6 vdc, 1 to 5 vdc, or 0 to 10 vdc direct or reverse. When equipment or a system containing a pressure switch is purchased. Material is designated as part of the series number. Manual cutin is made by lifting the impulse lever and releasing it again when the pressure has increased by min. Directional control valves air cylinders rotary actuators. Choosing a pressure switch there are typically three situations when an engineer thinks about pressure switches. Dwyer mercoid pg7000153p2 gas differential pressure. Pressure switches and thermostats, types kp and kpi.

This is a rough modeling of the mercoid 3200g explosion proof pressure transmitter. Request a quote mechanical pressure switch reotemps mechanical pressure switches are suited for a variety of process applications where electrical devices must be turned on or off, in response to changing process pressure. More details this product is no longer in stock or is on back order. Depending on the installed application, pressure switches may be required to contain an explosion of a specified gas, vapor or dust which may occur within it. Mercoid vacuum limit switch for swimming pool pump shutoff. Process valves temperature control equipment static neutralization. Mercoid da53127 d series pressure switch with mercury switch and general purpose enclosure. Switch shall have calibrated dial and one or two pointers indicat. Kp pressure switches are mainly used for gaseous fluid whereas kpi pressure switches are more for liquid and gaseous fluid. Manuals and user guides for dwyer instruments mercoid eda series. Hg vacuum or when vacuum suction is broken due to low water in the filter tank. Mercoid mpc level controller manual pdf instrumart. Series eda electronic pressure controller mercoid instrumart. Switch that are not covered in this manual, you can contact neodyn in several ways.