HUBA CONTROL
Pressure transmitter 520
Pressure transmitter 520

 

Pressure transmitter 520

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Category: HUBA CONTROL Available
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Description

The compact Type 520 pressure transmitters are based on Huba Control’s advanced thick-film technology, featuring a hermetically welded, seal-free stainless steel measuring cell. They provide precise measurement of relative pressures up to 1000 bar and offer high burst pressure resistance, reliability, and long-term stability.

Type 520 pressure transmitters are suitable for use with liquids and gases, including all common refrigerants and ammonia. This makes them a reliable solution for a wide range of applications, from industrial processes or HVAC systems to railway components. Comprehensive approvals- including EMC with enhanced noise immunity, shock and vibration resistance, as well as certifications such as UL, EN 45545-2, ATEX and IECex confirm its suitability for diverse and safety-critical environments.

  • Compact and robust stainless steel design
  • Hermetically welded construction without seals, no risk of leaks
  • High variety of connector options
  • Time-saving, fast customer-side cable assembly with quick cable screw connection
  • No elastomer seals

    Product feature
    Pressure measuring range
    -1 ... 1000 bar (Relative)
    Response time
    <2 ms (typ. 1 ms)
    Load change
    <100 Hz
    Sensor weight
    90 g
    Field of application
    Media
    Process medium; Gas; Refrigerant incl. ammonia
    Medium temperature
    -40 ... 135 °C
    Permissible overload
    5 x FS; 3 x FS (max. 1500 bar)
    Bursting pressure
    10 x FS; 6 x FS (max. 2500 bar)
    Ambient condition
    Ambient temperature
    -30 ... 85 °C
    Storage temperature
    -50 ... 100 °C
    Material
    Housing
    Stainless steel 1.4404 (AISI 316L); Stainless steel 1.4305 (AISI 303)
    Measuring element with media contact
    Stainless steel
    Pressure connection with media contact
    Stainless steel 1.4404 (AISI 316L); Stainless steel 1.4305 (AISI 303)
    Plug receptacle
    Polyarylamide 50 % GF UL 94 V-0
    Electrical data
    Current consumption
    <23 mA
    Inverse-polarity protection
    Short-circuit and reverse polarity protected. Each connection against each other with max. supply voltage.
    Insulation voltage
    500 VDC (Standard)
    Protection class
    3
    Installation guide
    Installation orientation
    any
    Approval
    EMC compatibility
    CE-compliant in accordance with EN 61326-2-3
    increased noise immunity
    EN 50121-3-2
    Shock according to IEC 68-2-27
    100 g, 11 ms, half-sine curve, all 6 directions, free fall from 1 m onto concrete (6x)
    Permanent shock according to IEC 68-2-29
    40 g over 6 ms, 1000x all 3 directions.
    Vibration according to IEC 68-2-6
    20 g, 15 ... 2000 Hz, 15 ... 25 Hz with amplitude ± 15 mm, 1 octave / minute in all 3 directions, 50 continuous loads
    UL
    ANSI/UL 61010-1 gemäss E325110
    Drinking water authorisation
    NSF/ANSI 61/372 according to MH60087; WRAS
    Railway approval
    EN 50155 / EN 45545-2
    Explosion protection
    Intrinsic safety ''i''
    Ex II ½ G Ex ia IIC T4 Ga/Gb; Ex II ½ D Ex ia IIIC T125ºC Da/Db
    EC type examination certificate
    SEV 15 ATEX 0173; SEV 10 ATEX 0145
    Connection to certified intrinsic safety ohmic circuits with the maximum values
    Ui < 15 VDC / Ii < 200 mA / Pi < 750 mW; Ui < 30 VDC / Ii < 100 mA / Pi < 750 mW
    Effective internal inductance and capacitance
    Li = 0 nH / Ci < 150 nF; Li = 0 nH / Ci < 150 nF; Li = 0 nH / Ci = 0 nF
    IECEx
    SEV 16.0007

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EC Instruments & Engineering Sdn Bhd
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