pressure

DIFFERENTIAL PRESSURE TRANSMITTERS
DPT-2W SeriesMulti-range differential pressure transmitters with 4–20 mA 2-wire configuration
DPT-2W series differential pressure transmitters are engineered forbuilding automation in the HVAC/R industry. The most technologically advanced transmitters on the market, measuring static and differential pressure, with field selectable range.
DPT-2W series devices include:• 8 field selectable measurement ranges, unidirectional or bidirectional, selectable via jumper (see Model Summary)• Pressure measurement in Pa• 4–20 mA 2-wire current loop configuration
DPT-2W series device options offer:• Display

SIMILAR PRODUCTSAPPLICATIONS• DPT-R8 series 8-range differential pressure transmitters• DPT-MOD series differential pressure transmitters with Modbus
configuration• DPI series electronic differential pressure switches• PS series mechanical differential pressure switches• DPT-Flow series air flow meters• AVT series air velocity meters

DPT-2W 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

MODEL SUMMARY
DPT-2W
Measurement ranges (Pa)(field selectable via jumper)±100, 100, 250, 500 Pa
1000, 1500, 2000, 2500 Pa

Description

Model

Product code

Multi-range differential pressure transmitter

DPT-2W-2500-R8

104.007.005-with display

DPT-2W-2500-R8-D 104.007.006

Copyright HK Instruments 2017www.hkinstruments.fi

Datasheet Version 6.0 2017

DIFFERENTIAL PRESSURE TRANSMITTERS
DPT-2W Series
SPECIFICATIONS
Performance

Accuracy:±1.5 % FS over operation temperature range:-10...50 °C %/FS from highest pressurerange (including: general accuracy, temperature drift,linearity, hysteresis, and repetition error)
Long term stability:
Typical 1 year: ±8 Pa; DPT-2W-2500
Thermal effects:
Temperature compensated across the full spectrum ofcapability.
Overpressure:
Proof pressure: 25 kPa
Burst pressure: 30 kPa
Zero point calibration:
Manual pushbutton
Response time:
4.0 s or 0.8 s, selectable

Technical Specifications

Media compatibility:
Dry air or non-aggressive gases
Measuring units:
Pa
Measuring element:
Piezoresistive
Enviroment:
Operating temperature: -10...50 °C
Storage temperature: -20...70 °C
Humidity: 0 to 95 % rH, non condensing

PhysicalDimensions:Case: 90.0 x 95.0 x 36.0 mm
Weight: 		
150 g
Mounting:
2 each 4.3 mm screw holes, one slotted
Materials:
Case: ABS
Lid: PC
Duct connectors: ABSTubing: PVC
Protection standard:
IP54
Display: (Optional)
3 1/2 digit LCD display
Size: 45.7 mm W x 12.7 mm H
Electrical connections:
2 screw terminal block
Wire: 12–24 AWG (0.2–1.5 mm2)
Cable entry:
Strain relief: M16
Conduit knockout: 16 mm
Pressure fittings:
Male 5.0 mm and 6.3 mm

ElectricalVoltage:
Circuit: 2-wireSupply: 10–35 VDC
Supply (Current): 32 mA maximum
Output: 4–20 mA loop
Zero/Span output calibrated within ±0.08 mA
Maximum load =Supply - 10 V0,020 A
Minimum load: 20 ΩPower consumption: <1.2 W

Conformance

Meets requirements for CE marking:
EMC Directive 2014/30/EU
RoHS Directive 2011/65/EU
WEEE Directive 2012/19/EU

COMPANY WITH
MANAGEMENT SYSTEMCERTIFIED BY DNV GL= ISO 9001 = ISO 14001 =RoHS 2
2011/65/EU

How to generate a model?
Example:Product series

DPT-2W-2500-R8-D

DPT

Differential pressure transmitter
Model type-2W2-wire configuration
Highest available measurement range-2500

0...2500 Pa
Model type
-R8Eight measurement ranges
Display-D

With display
Without display

ModelDPT

Copyright HK Instruments 2017

-2W

-2500

-R8-D

www.hkinstruments.fi

Datasheet Version 6.0 2017