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DDP series

Dual DP Transmitter

2 DP sensors, each from. ±250Pa to 6.000Pa, 8 sub-ranges, LCD, Modbus, 2x Relay, Buzzer

Applications

• HVAC supply or extract air measuring
• Monitoring filters and controlling fans
• Check air flow
• Measuring very low differential pressures
• Cleanroom applications

Features

• 2 independent DP measurements
• Maintenance-free piezoresistive silicon ceramic sensor
• High accuracy up to ±0.25 %FSS
• Operating voltage AC 24 V or DC 14…35 V
• Calibrated and temperature compensated measuring
• Output types: 4-20mA, 0-10V, 0-5V, 2-10V, 1-5V
• Simple and fast mounting
• LCD display
• Buzzer
• Modbus – RS485 port
• 2x Relay output

Ranges & Sub-ranges

• DDP.1—,  ±250 Pa:   ±25, ±50, ±100, ±250, 25, 50, 100, 250 Pa
• DDP.2—,  1.000 Pa:   100, 200, 300, 400, 500, 600, 750, 1.000 Pa
• DDP.3—,  ±1.000 Pa:   ±250, ±500, ±750, ±1.000, 250, 500, 750, 1.000 Pa
• DDP.4—,  2.500 Pa:   100, 250, 500, 750, 1.000, 1.500, 2.000, 2.500 Pa
• DDP.6—,  6.000 Pa,   500, 750, 1.000, 2.000, 3.000, 4.000, 5.000, 6.000 Pa
• DDP.7—,  ±6.000 Pa:   ±1.000, ±2.000, ±3.000, ±6.000, 1.000, 2.000, 3.000, 6.000 Pa

Electrical

Power Supply : AC 24V  (± %5), 50-60 Hz or DC 14…35 V
Power Consumption : max. 1.5 W

Outputs

4…20 mA, maximum 500 ohm
0…10V DC, minimum 1.000 ohm

Accuracy

± 0.25 % FSS

Over pressure

75.000 Pa

Burst pressure

125.000 Pa

General Data

Sensing Element : Piezoresistive
Media : Air or non-aggressive gasses
Operating Temperature :  -25 …+70°C
Storage Temperature : -30 …+85°C

Connections

Terminals : Pluggable screw terminal
Cable : maximum 1.5 mm2
Cable Gland : M16
Pressure Connection : 6 mm

Protection

enclosure IP54/NEMA3S

Standards

EMC Directive : EN61326-1
CE Conformity : CE 2020-3

Dimensions

Nett 109.5 x 92.5 x 34.0 mm
Packed 113.0 x 96.0 x 38.0 mm

Weight (packed)

Nett, basic models 102 gr, full option models 139 gr
Packed, basic models 120 gr, full option models 157 gr

DDP.xxyy

‘xx’ stands for main range selection, both have same property
0: no sensor
1: ±250 Pa
2: 1.000 Pa
3: ±1.000 Pa
4: 2.500 Pa
6: 6.000 Pa
7: ±6.000 Pa

DDP.xxyy

‘yy’ stands for output selection, both have same property
0: no output
1: 0…10V
2: 2…10V
3: 0…5V
4: 1…5V
5: 4…20mA

DDP.xxyy.o

‘o’ stands for options, add each letter that fits your need, no option no addition
M: Modbus RS485
D: Display, SENSE special dot matrix display
DD: Display with Backlight
R: Relay
RR: 2x Relay
B: Buzzer
P: PID output

Related Products

SDP series
Differential Pressure Transmitter

from. ±250Pa to 6.000Pa, 8 sub-ranges, LCD, Modbus, Relay, 2 inputs