The sensor uses a pair ofįiber optic cables, an emitter and receiver, to transmit the light generated by the sensor. The fiber optic sensor is mounted in a junction box attached to the side of the flowmeter. The sensor can interface directly to a Programmable Logic Controller (PLC) or when connected to a separate relay can trigger a local or remote alarm. The sensor is used to detect a predetermined rate of flow. The fiber optic alarm sensor is an available option for all 7430 Series flowmeters and is compatible with all float materials except sapphire. User must provide the power supply voltage Fiber Optic Sensor Note: We can supply the safety barriers/switch isolators upon request. Maximum operating temperature 40° C for 1/8” float 70° C for 1/4” float. See barrier/switch isolator specifications for electrical connections and further details. Barrier/switch isolators are available with 220VAC, 110VAC or 24VDC supply voltage requirements, contain single pole double throw (SPDT) relays, and are DIN rail mountable. The inductive sensor connects to a barrier/switch isolator which powers the sensor and provides the desired switching option. It is able to detect the metal float by producing an electromagnetic field that senses the float within its sensing zone. The sensor can be positioned to trigger at any point on the scale. Sensors are available as either proximity or latching devices. Inductive ring sensors are 2-wire, DC, low current devices and are designed to be used with a remote intrinsic safety barrier /switch isolator. DESCRIPTION Internal Componentsģ16L SS, black glass, sapphire, Carboloy, tantalumġ/8” and 1/4” FNPT, horizontal control valve optionalħ430 Series flowmeters with metallic floats can be ordered with an inductive ring sensor that is able to detect a predetermined rate of flow and is compatible with stainless steel or Carboloy floats only. Latching Reed Switch For 7310, 7330, 7470, 7480, 7610, 7910 Seriesīoth 65 mm and 150 mm scales, borosilicate glass tube models feature all stainless steel frame and horizontal connections at a less expensive price than competitive products.Inductive Ring Sensor & Fiber Optic Sensor.Inductive Slot Sensor 7710, 7720, 7750 Series.7520 & 7530 Series – Acrylic Tube Flowmeter.7510 & 7511 Series – Acrylic Tube Flowmeter.7330 Series – Polysulfone Tube Flowmeter.7310 Series – Polysulfone Tube Flowmeter.7750 Series – Stainless Steel Tube Flowmeter.7710 Series – Stainless Steel Tube Flowmeter.7100 Series – Stainless Steel Tube Flowmeter.9000 “Silver” Series – Glass Tube Flowmeter.Visit our knowledge hub to get the latest updates, product demonstrations and resources in the waterworks industry. If you require further information on interpreting metering data, you can get in touch with us to learn more. Typically these dials will read as follows: Unit on dialĪs an example, the pictured capsule’s total reading is representative of the following: The remaining face of the capsule will have a series of rotating dials which enable you to read smaller increments of flow. The value of each number number is usually indicated on the face of the meter and could read the following: The top section of the capsule usually provides a digital reading that is represented by a six digit number. The meter capsule itself is usually fairly universal in how it identifies the flow that has passed through the water meter. The following table describes the flow measurement units used in water meters: Descriptionįrom this table, you can see that regardless of whether the meter reads in M3 or KL, the volume is the same - it is simply a matter of terminology. This unit of measurement is another way to representing KL (kilo litres). The units of flow commonly used in water meters are read in M3 (cubic meters). This article outlines the best way to read the capsule in order to ascertain the total water meter reading. As this product is often used for billing purposes, it’s important that the meter is read accurately so cost is not over or under estimated. Reading a water meter comes with its own set of conventions, and can often be confusing or hard to understand.
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