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The redundant version of the pressure transmitter series HDA 4400 has been specially developed for measuring tasks with hydrogen. Thanks to the use of two highly accurate and robust stainless steel sensor cells with thin film strain gauge, each with their own electronics unit, the device has a fully redundant architecture and, thus, two separate and independent output signals. The sensor cell is welded to the process connection, there are no internal seals. The compatibility with hydrogen is ensured by using a particular material. All hydrogen-wetted parts are made of stainless steel 1.4435 with a Ni content of ≥ 13 %.

The pressure transmitters are applicable in potentially explosive atmospheres, and for this purpose, they are approved for the ignition protection types "intrinsically safe" and "non-sparking" according to ATEX and IECEx.
Unit of Measure

Specifications

Industry Standards/Certifications

 N/A CE Mark: EN 61006-6-1 / 2 / 3 / 4; EN 60079-0 / 11 / 15 / 26; EN 50303

Mechanical Connection Type

 N/A SF250CX20, Autoclave (7/16-20 UNF 2B), Female

Housing Material

 N/A Stainless Steel

Burst Pressure

 N/A 3000 bar

Mechanical Connection Size

 N/A SF250CX20, Autoclave

Output Signal

 N/A 4 to 20 mA for Signal 1 and 20 to 4 mA for Signal 2

Wetted Material

 N/A 1.4435 (Ni content ≤ 13%)

Electrical Connection

 N/A Male M12, 4 Pole

DC Power Supply Voltage

 N/A 12 to 28 V

Model Code Description

 N/A HDA 44C6-AA-1050-1050-EN9-H00

Output Maximum Accuracy to DIN 16086 At Maximum Setting (Full Scale)

 N/A ≤ ± 1.0 %

Output Typical Accuracy According to DIN 16086, Terminal Based (Full Scale)

 N/A ≤ ± 0.5 %

Output Typical Accuracy at Minimum Setting Best Fit Straight Line (B.F.S.L) (Full Scale)

 N/A ≤ ± 0.25 %

Output Maximum Accuracy at Minimum Setting Best Fit Straight Line (B.F.S.L) (Full Scale)

 N/A ≤ ± 0.5 %

Output Typical Temperature Compensation Zero Point (Full Scale)

 N/A ≤ ± 0.015 %/°C

Output Maximum Temperature Compensation Zero Point (Full Scale)

 N/A ≤ ± 0.025 %/°C

Output Typical Temperature Compensation Over Range (Full Scale)

 N/A ≤ ± 0.015 %/°C

Output Maximum Temperature Compensation Over Range (Full Scale)

 N/A ≤ ± 0.025 %/°C

Output Maximum Non-Linearity at Maximum Setting to DIN 16086 (Full Scale)

 N/A ≤ ± 0.3 %

Output Maximum Hysteresis (Full Scale)

 N/A ≤ ± 0.4 %

Output Repeatability (Full Scale)

 N/A ≤ ± 0.1 %

Output Rise Time

 N/A ≤ 2 ms

Output Long-Term Drift Per Year (Full Scale)

 N/A ≤ ± 0.3 %

Vibration Resistance According to DIN EN 60068-2-6 at 10 to 500 Hz

 N/A ≤ 20 g

Pin Connection 1

 N/A Signal + 1

Pin Connection 2

 N/A Signal - 1

Pin Connection 3

 N/A Signal + 2

Pin Connection 4

 N/A Signal - 2

Current Consumption

 N/A ≤ 25 mA

Residual Ripple of Supply Voltage

 N/A ≤ 5 %

Life Expectancy (0 to 100% Full Scale (FS))

 N/A > 10 Million Cycles

Input Overload Pressure

 N/A 1400 bar

Input Measuring Pressure Range

 N/A 0 to 1050 bar

Compensated Temperature Range

 N/A -25 to 85 ºC

Storage Temperature Range

 N/A -40 to 100 ºC

Degree of Protection

 N/A IP 67

Torque Value

 N/A 20 N·m

Operating/Ambient Temperature Range (T6, T80/T85 ºC)

 N/A -40 to 60 ºC

Operating/Ambient Temperature Range (T5, T90 ºC)

 N/A -40 to 70 ºC

Operating/Ambient Temperature Range (T100 ºC)

 N/A -40 to 80 ºC

Operating/Ambient Temperature Range (T4)

 N/A -40 to 85 ºC

Weight

 N/A 0.463 lb

Note

N/A Reverse polarity protection of the supply voltage, excess voltage, override and short circuit protection are provided.