Delta OHM HD408T… / HD4V8T… Series - Relative And Differential Pressure Transmitters

Technical specifications @ 20°C and 24Vdc
HD408T HD4V8T
Sensor Piezoresistive
Measurement
range
10, 20, 50, 200, 500, 1000, 2000 mbar
±10, ±20, ±50, ±200, ±500, ±1000, ±2000 mbar
Output signal 4…20 mA 0…10 Vdc standard;
0 … 5 Vdc, 1…5 Vdc on request
Accuracy ±0.5 % f.s. @ 20 °C
Resolution Infinite
Temperature
effects
< 1% f.s., zero; <1% f.s., span from –20 °C to +60 °C
(from -4 °F to 140 °F)
Time stability < 1 % f.s. over 6 months at 20 °C
Startup time 1 sec. at 99% of full scale reading
Response time < 10 ms until it reaches the stated precision by
applying a step pressure level
Power supply 8…30 Vdc
16…40 Vdc or 24 Vac with output
0…10 Vdc
10…40 Vdc or 24 Vac with outputs
0…5 Vdc, 1…5 Vdc
Absorption < 4 mA 20 mA @ 20°C, 24 Vdc
Load resistance
RLmax = 727 Ω a
24Vcc
RLmax = Vdc-8
22 mA
Minimum input resistance 10kΩ
Working
temperature -20…+60 °C
Storage
temperature -20…+80 °C
Compatible
media Only air and non aggressive dry gases
Overpressure
limit
350 mbar for the models 10, 20, 50 mbar
3 x f.s. for all the other models
Pressure
connection With Ø 5 mm flexible tube
Electric
connection Screw terminal box
Housing Polycarbonate blend (PC + ABS)
Housing
dimensions 66 x 60 x 35 mm
Weight ≈120 g depending on the model
Protection
degree IP67