Cảm biến điện cực đo mức nước Gestra NRG 16-50, NRG 17-50, NRG 19-50, NRG 111-50

Cảm biến điện cực đo mức nước Gestra NRG 16-50, NRG 17-50, NRG 19-50, NRG 111-50

Technical Data

Service pressure

NRG 16-50, PN 40, 32 bar at 238 °C

NRG 17-50, PN 63, 60 bar at 275 °C

NRG 19-50, PN 160, 100 bar at 311 °C

NRG 111-50, PN 320, 183 bar at 357 °C

Mechanial connection

Screwed G 3⁄4 A, ISO 228 (NRG 16-50, NRG 17-50, NRG 19-50)
Screwed G 1 A, ISO 228 (NRG 111-50)

Materials

Sheath: 1.4301 X5 CrNi18-10
Screw-in body: 1.4571 X6 CrNiMoTi 17 -12 -2
(NRG 16-50, NRG 17-50, NRG 19-50)
Screw-in body: 1.4529,
X1NiCrMoCuN25-20-7 (NRG 111-50)
Measuring electrode: 1.4571 X6 CrNiMoTi 17-12 -2 (NRG 16-50, NRG 17-50, NRG 19-50)
Measuring electrode: 1.4122,
X39CrMo17-1 (NRG 111-50)
Electrode tip: 1.4401 X5 CrNiMo 17-12-2
Electrode insulation: Gylon® (NRG 16-50, NRG 17-50, NRG 19-50)
Electrode insulation: special ceramic (NRG 111-50) NRG 1…-50: Four-pole connector: polyamid (PA)
NRG 1…-50F: Terminal box 3.2161 G AlSi8Cu3

Lengths supplied

500 mm, 1000 mm, 1500 mm, 2000 mm, 2500 mm, 3000 mm

ph value

Max. admissible: 10 (NRG 111-50)

Electrical connection

NRG 1…-50: Four-pole connector, cable gland M16 NRG 1…-50F: Aluminium terminal box, cable gland M20