摘要:
A fire extinguisher includes a container that has a chamber for holding a fire-extinguishing agent. The container also includes a domed top portion and recessed bottom portion. The domed top portion includes a valve port, and the recessed bottom portion has an edge for standing the container generally upright. The fire extinguisher also includes a valve attached to the valve port of the container and a dispenser attached to the container for operating the valve. The dispenser also includes a handle and a pivotable trigger. Further, the fire extinguisher includes a gauge mounted within the recessed bottom portion of the container. The gauge is configured to display at least one characteristic of the chamber of the container. Also, the gauge is mounted above the edge of the recessed bottom portion.
摘要:
A process variable indicator is provided. The process variable indicator includes a process variable sensor having an electrical characteristic that varies with the process variable. Measurement circuitry is coupled to the process variable sensor and is configured to provide an indication relative to the electrical characteristic. A processor is coupled to the measurement circuitry and is configured to compute a process variable based on the indication and determine, among a plurality of ranges, which range the process variable is within. The processor generates a local visual output based on the process variable and the determined range. A method of visually indicating a process variable is also provided.
摘要:
A ball mount for measuring tongue weight of a trailer is disclosed. The ball mount can comprise a ball portion for interfacing with a ball configured to couple with a tongue of a trailer, a hitch portion for interfacing with a hitch receiver associated with a vehicle, and a load measurement device associated with the hitch portion. The hitch portion can be configured to pivot relative to the hitch receiver about a fulcrum in response to a downward force on the ball, with the hitch receiver resisting rotation of the hitch portion about the fulcrum thereby inducing a load on the hitch portion. The load measurement device can be configured to determine a magnitude of the downward force on the ball based on the load on the hitch portion.
摘要:
A pressure indicator, which can be detachably connected to an air compressor for measuring the pressure of compressed air produced in the air compressor, includes a tube and a slider. The slider can be moved along a first bore and a second bore of the tube. The motion of the slider in the tube is similar to the motion of a piston body in a cylinder. The tube is provided with a tapered annular surface, between the first bore and the second bore, and defines an elongated opening. In addition, when the pressure of the compressed air exceeds a predetermined pressure, excessive air can be released into the ambient environment, without using a mechanical safety valve, so that an object can be prevented from over-inflation.
摘要:
Disclosed is a pressure gauge device featuring setting for automatic supply and termination of pressure, which includes a pressure gauge, a rotary knob, a rotary knob conductive piece, a rotary knob indicator, and a control device. The pressure gauge includes a hand sweep zone and an electrically conductive indication hand is arranged in the hand sweep zone. The pressure gauge includes a resetting conductive piece. The rotary knob is coupled to the rotary knob conductive piece and the rotary knob indicator and is set outside an outer circumference of the hand sweep zone of the pressure gauge. The resetting conductive piece and the rotary knob indicator are each set in the hand sweep zone and located on a rotation path of the indication hand. The resetting conductive piece and the rotary knob indicator are each in electrical connection with the control device.
摘要:
A fluid characteristic indicator for measuring and indicating a characteristic of a body fluid from a medical or veterinary patient has a generally tubular housing with a suction port at a proximal end and a fluid inlet port at the distal end. An fluid characteristic indicating element is disposed in the housing. A diffuser is provided in the housing to support the indicating element and direct fluid from the inlet port toward the indicating element. The diffuser has at least one fluid channel to direct fluid toward the indicating element. The fluid channel may take the form of a spiral or helix. Alternatively, the diffuser may have a plurality of longitudinal fluid channels. the housing and the diffuser may have additional structures forming channels that cooperatively direct fluid toward the indicating element. The diffuser and may occupy nearly all the interior volume of the housing. Control of the fluid flow makes exposure and saturation of the indicator more accurate, avoids spurious indications due to the color of the fluid itself reduces the amount of fluid sample needed to obtain an indication or measurement.
摘要:
A fluid-pressure indicator includes a housing having a first region and a second region. A pressure-responsive member is disposed in the first region and is movable between an expanded state and a compressed state. An indicator disk is viewable through the pressure-responsive member when the pressure-responsive member is in the compressed state and is obscured from view through the pressure-responsive member when the pressure-responsive member is in the expanded state. A diaphragm is movable from a relaxed state to a deflected state in response to pressure within the second region exceeding a threshold pressure and prevents fluid communication between the first region and the second region. The diaphragm additionally causes the pressure-responsive member to move from the expanded state to the compressed state when the pressure exceeds the threshold pressure.
摘要:
An air operated diaphragm pump is provided featuring a housing, a fluid passageway and an indicator arrangement. The housing is configured with an orifice. The fluid passageway responses to a vacuum force and provides fluid, such as syrup from a bag or container to a beverage dispenser, through the air operated diaphragm pump via the fluid passageway, and is configured with a suction plenum or channel formed by an enclosed space with an inside pressure that is greater than an external pressure of the outside atmosphere when the fluid is being provided through the air operated diaphragm pump via the fluid passageway. The suction plenum or channel is configured to be in fluidic communication with the orifice of the housing. The indicator arrangement is configured in relation to the orifice of the housing to communicate with the suction plenum or channel, and also configured to respond or activate when the vacuum force exceeds a predetermined level and provide a visual indication when the fluid is no longer being provided through the air operated diaphragm pump via the fluid passageway.
摘要:
A pressure gauge is provided, which comprises a pedestal, a spring tube, a needle pivot, a needle and a indicating panel. The spring tube is connected to the needle pivot and able to drive the needle pivot to rotate. A fixing portion is provided on one end of the spring tube. The pedestal is provided with a mounting portion, and the mounting portion is provided with an open slot. The fixing portion is installed in the open slot. The pressure gauge has a simple structure and low cost.
摘要:
An alarm color plate structure of a micro-differential pressure gauge includes a transparent casing. The transparent casing has a slot which is located corresponding to the range of movement of a pointer or a scale plate. An alarm plate is provided in the slot. The alarm plate has a plurality of areas with different colors or marks for the user to know whether the position and the value of the pointer are normal or not.