Hengesbach Pressure and Level Transmitter PZM Series 050D - Wiratama Mitra Abadi | Industrial Equipment

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24.12.20

Hengesbach Pressure and Level Transmitter PZM Series 050D



The PZM050D pressure transmitter is suitable for measuring the pressure and filling level, fulfilling the basic requirements of exactness. The robust stainless steel field housing in the hygienic design and the checked protection classes IP 67 and IP 69K withstand all aggressive and residue-free cleaning procedures such as those required in the food industry. The 050D series pressure transmitter are equipped with a micro-processor controlled electronics system and an accuracy of ≤ ± 0.2% FS. They are parametrised with a simple and user-friendly operating concept via 2 keys and a multi-colour status LED. A TurnDown of up to 4 can be set using the full and empty adjustment.

The modular process connection system PZM acts as the process connection and gives its name to the pressure transmitter. This enables universal connection to almost any process connection from DN40 using only a single pressure transmitter and a suitable process connection adapter. The PZM pressure transmitters make a considerable contribution to achieving sustainable process chains. The process connection adapters available: Welded-in lugs for pipes and tanks, threaded and DIN 11851, conical couplings , VARIVENT® DIN 11864-1 female unions, DIN32676 clamps, etc. The PZM modular process connection is certified according to EHEDG type EL-Aseptic class I and has thus been successfully tested for use in applications with the highest require- ments made of hygiene. The design with press screws and O-ring seals enables alignment of the transmitter with simultaneous micro-organism impermeability. The PZM050D pressure transmitters are highly-suited to use in applications with strict standards of hygiene and basic requirements of functionality and accuracy.

Features:

  • EHEDG-Aseptic certified modular process connection system
  • accuracy ≤ ± 0,2%FS
  • simple parametering via 2-key concept and multi-colour status-LED
  • vacuum- und overload safe
  • easy to clean and high protection classes IP 67 und IP 69K
  • for measurement of pressure and filling level in tanks and pipes with basci requierments
  • simple calibration, even without disconnection of the transmitter, through switchable power supply plant / calibrator supply

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Specification:

General details

            
Device type/measuring principlePZM050D: piezoresistive       

Input

            
Measuring ranges      PZM050D   
Standard nominal measuring range [bar] RelativeOPAbsoluteOP RelativeOPAbsoluteOP
OP = overload protection [bar] 0 to 0.351    -1/0 to 10300 to 1030
Special measuring ranges are available on request 0 to 130 to 13 -1/0 to 30900 to 3090
-1/0 to 2.580 to 2.58 -1/0 to 1002500 to 100250
  
 -1/0 to 5150 to 515     
All measurement cells are vacuum safe      
            
Setting the measuring rangesvia the 2 keys within the transmitter      
Setting rangesMeasuring range beginzero:0 to 75%of the sensor's nominal measuring spanTD=4
 Measuring spanspan:25 to 100%of the sensor's nominal measuring span 
Burst pressure DIN16086>= 4-fold nominal measuring range      

Output

            
Output signal2-wire:   4 to 20mA with a test circuit connection in the device   
Fault signal22mA         
Current limitation3.8mA and 21mA (normal operation, cannot be set)   

Measuring accuracy

            
Reference conditionsacc. to DIN IEC 770        
Linearity, hysteresis and repeatability acc. to the limit point method DIN IEC 770≤ ± 0.2% of the sensor nominal measuring range   
             
Activation time< 2 s (The device will carry out a self-test.)     
Setting time< 1s          
Long-time drift≤ 0.2% of the span per year       
Thermal hysteresis0.2% of the sensor's nominal measuring range / 10K (-20 to +80°C) from 4 bar 
 0.3% of the sensor's nominal measuring range / 10K (-20 to +80°C) up to 0.6 bar 

Conditions of use

            
Installation position / calibration positionAny position / standing vertically       
Medium temperatureT1:-40 °C to +125 °C (140 °C for max. an hour)   
 T2:-40...+200°C (high-temperature version)     
Ambient storage temperature-40...+85°C (below -20 °C danger of cable breakage)   
Protection class acc. to EN60529IP 67 and IP 69K        
Electromagnetic compatibilityacc.to EN 61326-1        

Construction

            
Electrical connection- Standard:M16x1.5 cable screw connection, nickel-plated brass (stainless steel available on request)
- Optional:  M12x1 round plug-in connector, nickel-plated brass (stainless steel available on request)   
             
- Optional:  angle plug acc. to EN 175301-803        
             
- Optional:  reference cable         
             
Process connection- Membrane, flush-welded on the front, CrNiSt          
 - EHEDG type EL-ASEPTIC CLASS I, certified connection system PZM /          
 with press screw M38x1.5 and elastomer sealing          
 - EPM process seal (FDA conform) (range -20...+150°C, standard with temperature version T1)          
 - Process seal FPM (FDA conform) (range -40...+200°C, standard with temperature version T2)          

Construction

            
Materials- Field housing / lid:CrNiSt 1.4301 (304)          
 - Electronics cast:Silgel          
 - Housing seal:FPM (Viton®)          
 - Pressure compensation element:Polyamide          
 - Process connection / connection adapter:CrNiSt 1.4404 (304)          
 - Process membrane:CrNiSt 1.4435/1.4404 (316L)          
 - Reference cable, 5-wire with reference tube:  PUR (recommended: 80 m maximum)          
Filling fluidSilicon oil (FDA)           

Display and operation

            
DisplayMultiple-colour status LED           
Operation2-key concept           

Auxiliary energy resources

            
Power supply / burden12...30V DC, max. burden: (Vsupply – 12V) / 22mA          

Accessories 050D

            
CertificatesCalibration certificate           
 Declaration of conformity           
 Material certificate acc. to EN 10204           
 EHEDG certificate           

Download Data Sheet: Pressure and Level Transmitter PZM Series 050D

Ref: Hengesbach.com

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