DWYER INSTRUMENTS 616KD Series Differential Pressure Transmitters


Dwyer 616KD Series differential pressure transmitters are designed to measure the difference in pressure between two points in a system and convert that measurement into an electrical signal for further processing or control.

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Accuracy: -/+ 2% Full Scale , Amps: 21 mA , Connection Size: 1/8", 3/16" , Connection Type: Barbed , Electrical Connection: Screw Terminal , Enclosure Rating: NEMA 1 , Loop Resistance: 0 to 1250 Ohm for DC, 0 to1200 Ohm for AC , Max. Pressure: 5 psig , Output Current: 4 to 20 mA , Output Voltage: 0 to 10V DC/ 0 to 5V DC , Temp. Range: 0 Deg. to 140 Deg. F
StyleModelPower RequiredPressure RangePrice (ex. VAT)
A
616KD-00
16 to 35V DC0 to 1" wc€149.42
A
616KD-01
16 to 35V DC0 to 2" wc€141.91
A
616KD-02
16 to 35V DC0 to 3" wc€149.42
A
616KD-03
16 to 35V DC0 to 5" wc€149.42
A
616KD-04
16 to 35V DC0 to 10" wc€149.42
A
616KD-05
16 to 35V DC-€141.47
A
616KD-06
16 to 35V DC-€141.46
A
616KD-07
16 to 35V DC-€149.42
A
616KD-00-V
16 to 35V DC, 20 to 28V AC0 to 1" wc€149.42
A
616KD-01-V
16 to 35V DC, 20 to 28V AC0 to 2" wc€149.42
A
616KD-02-V
16 to 35V DC, 20 to 28V AC0 to 3" wc€149.42
A
616KD-03-V
16 to 35V DC, 20 to 28V AC0 to 5" wc€141.47
A
616KD-04-V
16 to 35V DC, 20 to 28V AC0 to 10" wc€164.19
A
616KD-05-V
16 to 35V DC, 20 to 28V AC0 to 15" wc€152.25
A
616KD-06-V
16 to 35V DC, 20 to 28V AC0 to 20" wc€149.42
A
616KD-07-V
16 to 35V DC, 20 to 28V AC0 to 25" wc€149.42

Working Mechanism

  • Differential pressure transmitters are devices used to measure the difference in pressure between two points in a fluid or gas system. They consist of a sensing element, typically a diaphragm or a set of diaphragms, which are exposed to the pressure inputs.
  • The high-pressure input is connected to one side of the sensing element, while the low-pressure input is connected to the other side. The pressure difference causes a displacement or deflection of the sensing element.
  • This displacement is converted into a mechanical or electrical signal through mechanisms like strain gauges, capacitance, or piezoelectric materials. The converted signal is then processed and amplified to generate an output signal.
  • This output signal can be measured and interpreted by instruments or control systems to provide accurate and real-time differential pressure measurements, allowing for monitoring, control, and analysis of fluid or gas systems.

Features

  • Dwyer 616KD Series differential pressure transmitters can be operated with air and non-combustible gases.
  • These differential pressure transmitters have a push button for adjusting both span and zero for enabling fine-tuning of the measurement range according to the application requirements.
  • They can be operated at temperatures ranging from 0 to 140 degrees F.
  • These Dwyer Instruments 616KD differential pressure transmitters have screw-type terminal blocks for better electrical connections.
  • They are equipped with vertical pressure connections pointing down for easy mounting.

Frequently Asked Questions

What is the accuracy of the 616KD Series transmitters?

+/- 2% full scale.

Can Dwyer Instruments 616KD differential pressure transmitters measure both positive and negative pressures?

Yes, the brand's 616KD Series transmitters are capable of measuring both positive and negative pressures. They are designed to provide differential pressure measurements, which means they can measure the pressure difference between two points, regardless of whether the pressures are positive or negative.

How to maintain Dwyer Instruments 616KD differential pressure transmitters?

  • Regularly inspect the transmitters for physical damage, loose connections, or leaks, paying attention to pressure and electrical connections.
  • Perform periodic calibration to ensure accuracy by adjusting the zero and span settings according to the manufacturer's instructions.
  • Keep the transmitters clean by gently wiping the surfaces with a soft cloth or brush, avoiding harsh chemicals.
  • Protect the transmitters from environmental factors, such as extreme temperatures or moisture, using weatherproof enclosures or other appropriate measures.
  • Check electrical connections for tightness and corrosion, addressing any issues promptly.

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