• Sie sind hier
  • Labom DE
  • Produkte
  • Druck
  • Bourdon tube pressure gauge per EN 837-1 S3 high overload protected

Bourdon tube pressure gauge per EN 837-1 S3 high overload protected

Typenreihe BA4550

  • EX
Bourdon tube pressure gauge per EN 837-1 S3 high overload protected - BA4550


  • High quality safety case NS 100 per EN 837-1-S3
  • Nominal ranges -1…0 to 0…40 bar
  • Case and measuring element of stainless steel
  • Degree of protection IP 65
  • Accuracy class 1.0 as per EN 837-1
  • Up to 4times overload protected


  • Explosion protection (ATEX) for mechanical devices
  • Certificate of measuring equipment for Russian Federation
  • Material certificate per EN 10204
  • Calibration certificate per EN 10204
  • Damping of movement
  • Mounting: front flange for flush mounting
  • Extended temperature range
  • Connection to Zone 0
  • Case with liquid filling and degree of protection IP 66
  • EAC declaration (upon request)

Technische Daten

Constructional design / case
Design: High quality safety case with blow-out back and solid baffle wall per EN 837-1 S3, material: stainless steel mat.-no. 1.4301 (304), pressure compensation
diaphragm: silicone,
filling plug, material: PUR
Nominal size: NS 100
Degree of protection: - Without case filling IP 65 per EN 60529
- With case filling IP 66 per EN 60529
Case filling: Option: Glycerine-water
Further liquid fillings upon request.
Pressure compensation: To atmosphere via internal pressure compensation diaphragm
Case seal: Material gasket: NBR
Window: Non-splintering laminated glass.
Option: Non-splintering plastic (Macrolon)
Measuring element: Bourdon tube - c-type
Movement: Stainless steel segment
optional: movement with integrated damping system
Scale: Pure aluminium, white with black inscription.
Option: with red marking, special scale upon request.
Pointer: Pure aluminium, black. Option: with macro adjustment for zero point correction.
Mounting: Stand-alone, upon request for flush mounting with DIN mounting flange
Weights: - without filling approx. 0.7 kg
- with filling approx. 1.0 kg
Process connection
Design: Per EN 837-1,
G1/2 B, 1/2" NPT or M20 x 1.5; bottom connection. Further process connections upon request.
Material wetted parts
Measuring element: Bourdon tube and shanks stainless steel mat.-no. 1.4571 / 1.4404 (316Ti / 316L)
Nominal range
See order details, other ranges upon request
Accuracy class: 1.0 per EN 837-1, refering to measuring range Messbereich
Temperature influence: Max. ± 0,4% / 10K of measuring span per EN 837-1
Temperature ranges
  without filling with filling
Ambient: -20…70 °C -20…60 °C
Media: 1 -40…200 °C -40…200 °C
Storage: -20…70 °C -20…60 °C
Extended temperature range for mr < 200 bar (optional):
  without filling with filling
Ambient: -40…100 °C -40…60 °C
Media: -40…200 °C -40…200 °C
1 Nominal range ≤ 1 bar up to 100 °C
Tests and certificates
See documents
Type series
BA4550, BA4560


  • D2-030-1

    Data Sheet

  • BA_008

    Operating Instructions

  • XA_005

    Ex Instructions

  • KE_017

    Declaration of Conformity