Parshvi Technology (India) Private Limited
Parshvi Technology (India) Private Limited
Mahadev Nagar Tekra, Ahmedabad, Gujarat
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MODBUS Products

Pioneers in the industry, we offer differential pressure transmitters with modbus communication and differential pressure transmitter from India.

Differential Pressure Transmitters With Modbus Communication

Differential Pressure Transmitters With Modbus Communication
  • Differential Pressure Transmitters With Modbus Communication
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Product Details:

Display Type2-line display (12 characters/line)
MaterialABS
Power Supply24 VAC or VDC
Media TypeDry air or non-aggressive gases
Protection TypeIP54
Warranty5 Year
Net Weight150 g
Enclosure RatingIP54
Usage/Applicationair flow monitoring across centrifugal fans and blowers
Applicationfan,blower and filter monitoring
BrandH K INSTRUMENTS
Range-250...7000 Pa

DIFFERENTIAL PRESSURE TRANSMITTERS- DPT-MOD

Multifunctional differential pressure transmitters with air flow measurement and Modbus communication

DPT-MOD is a multifunctional transmitter for measuring volume flow, velocity, and static and differential pressure. The measurements can be read and the configuration done via Modbus communication. DPT-MOD requires less wiring than the traditional 3-wire transmitters because multiple devices can be connected on serial line.

The DPT-MOD is used for measuring air flow or low pressures of air and non-combustible gases in order to monitor and control building automation, HVAC and cleanroom systems. It can also be used with several different measurement probes such as FloXact™ or pitot tube, and air dampers.

DPT-MOD series devices are commonly used in HVAC/R systems for:
• fan, blower and filter monitoring
• pressure and flow monitoring
• valve and damper control
• pressure monitoring in cleanrooms
• air flow monitoring across centrifugal fans and blowers
• in-duct air flow or pressure monitoring
• measuring air flow or pressure in VAV applications

DPT-MOD series devices include:
• Two selectable functions:
o Measure and monitor in-duct volume flow, velocity or
differential pressure
o Measure and monitor air flow across centrifugal fans
• Multiple selectable measurement units:
o Volume flow: m3/s, m3/h, cfm, l/s
o Velocity: m/s, ft/min
o Pressure: Pa, inWC, mmWC, kPa, mbar
• Modbus communication protocol

DPT-MOD series device options offer:
• AZ (autozero) function for automatic zero point calibration, eliminating the need for periodic manual autozeroing to ensure long term accuracy.

Technical details

 

Communication:RS-485 Modbus (RTU)
Accuracy (from applied pressure):
(model 2500)
Pressure < 125 Pa = 1 % + ±2 Pa
Pressure > 125 Pa = 1 % + ±1 Pa
Accuracy (from applied pressure):
(model 7000)
Pressure < 125 Pa = 1.5 % + ±2 Pa
Pressure > 125 Pa = 1.5 % + ±1 Pa
Zero point calibration:automatic with autozero element (-AZ), by pushbutton or via Modbus
Measuring units:Pressure: Pa, kPa, mbar, inchWC, mmWC, psi
Flow: m3/s, m3/hr, cfm, l/s, m/s, ft/min
Measuring element:MEMS, no flow-through
Supply voltage:24 VAC ±10 % / 24 VDC ±10 %
Power consumption:< 1.0 W
Output signal:via Modbus
Response time:1.0−20 s, selectable via menu or via Modbus
Operating temperature:-20…+50 °C (with autozero calibration -5...+50 °C)
Protection standard:IP54
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  • Item Code: DPT-MOD
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Differential pressure transmitter

Differential pressure transmitter
  • Differential pressure transmitter
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Product Price :Get Latest Price

Product Details:

Usage/Applicationfan, blower and filter monitoring
BrandH K INSTRUMENTS
Applicationpressure monitoring in cleanrooms
Power Supply24 VAC or VDC
Warranty5 Year
Display Type2-line display (12 characters/line)
Output Signalvia Modbus
MaterialABS
Net Weight150 g
Media TypeDry air or non-aggressive gases
Protection TypeIP54
Range-250...7000

DIFFERENTIAL PRESSURE TRANSMITTERS DPT-IO-MOD Series

Differential pressure transmitter with Modbus communication and Input terminal

The DPT-IO-MOD differential pressure transmitter for air conforms to Modbus over serial line protocol, using RTU transmission mode and RS485 interface. The digital output signal is sent over Modbus enabling the DPT-IO-MOD to connect directly to a field communications network. DPT-IO-MOD requires less wiring than traditional 3-wire transmitters, since multiple devices can be connected on serial line. The DPT-IO-MOD includes an Input terminal that enables reading of multiple other signals such as temperature or control relays over Modbus. The Input terminal has two input channels designed to accept 0−10 V, ntc10k, Pt1000, Ni1000/(-LG), and BIN IN (potential free contact) signals. For example, DPT-IO-MOD can read values from one differential pressure measurement point and two temperature measurement points. Hence, the DPT-IO-MOD does the work of three transmitters.

The DPT-IO-MOD differential pressure transmitter for air conforms to Modbus over serial line protocol, using RTU transmission mode and RS485 interface. The digital output signal is sent over Modbus enabling the DPT-IO-MOD to connect directly to a field communications network. DPT-IO-MOD requires less wiring than traditional 3-wire transmitters, since multiple devices can be connected on serial line. The DPT-IO-MOD includes an Input terminal that enables reading of multiple other signals such as temperature or control relays over Modbus. The Input terminal has two input channels designed to accept 0−10 V, ntc10k, Pt1000, Ni1000/(-LG), and BIN IN (potential free contact) signals. For example, DPT-IO-MOD can read values from one differential pressure measurement point and two temperature measurement points. Hence, the DPT-IO-MOD does the work of three transmitters.

DPT-IO-MOD series devices are commonly used in HVAC/R systems for:

• fan, blower and filter monitoring
• pressure and flow monitoring
• valve and damper control
• pressure monitoring in cleanrooms

Technical details
Communication:RS-485 Modbus (RTU)Accuracy (from applied pressure): 
(model 2500)Pressure < 125 Pa = 1 % + ±2 Pa
pressure > 125 Pa = 1 % + ±1 PaAccuracy (from applied pressure): 
(model 7000)Pressure < 125 Pa = 1.5 % + ±2 Pa 
Pressure > 125 Pa = 1.5 % + ±1 PaZero point calibration:via Modbus or by pushbuttonMeasuring units:Pa, kPa, mbar, inchWC, mmWC, psiMeasuring element:MEMS, no flow-throughSupply voltage:24 VDC ±10 % / 24 VAC ±10 %Power consumption:< 1.3 WOperating temperature:-20…+50 °CResponse time:1...20 s selectable via menuProtection standard:IP54

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Additional Information:

  • Item Code: DPT-IO-MOD
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Ramnarayan Ajmera (Sales & Marketing Manager)
Shop No. 303-304, Block C, 3rd Floor, Pushp Business Campus S. P. Ring Road, Vastral Cross Road, Vastral
Mahadev Nagar Tekra, Ahmedabad- 382418, Gujarat, India



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