LAR Climatic independent level sensor

מאפיינים מרכזיים

Hydrostatic level measurement in vessels

  • Sealed measurement cell without any contact to atmosphere – no drift problems caused by condensation
  • Hermetically closed measuring cell (condensation proof)
  • Process temperature up to 130 °C
  • Very high accuracy and long term stability
  • 3 years warranty
  • Applicable for differential pressure measurement with 2 x LAR and evaluation device
  • Stainless steel membrane 316L
  • Installation in vessels from below or at the side
  • Hygienic thread G1″ (CLEANadapt) and different direct connections (Tri-Clamp, Varivent®, DIN 11851, ..) available
  • CIP-/ SIP-cleaning up to 140 °C (284 °F) / max. 30 min
  • Protection class IP 69 K (with cable connection)
  • Measurement cell without any contact to atmosphere, fully closed
  • measurement system
  • No drift problems caused by condensation
  • Very high accuracy and long term stability
  • Oil filling, FDA approved
  • Factory or field calibration
  • Integrated two-wire measurement trancducer 4…20 mA
  • 3 years warranty
  • Front-flush stainless steel sensor cell
Pressure ranges, standard relativ 0. 0.35 / 1.0 / 2.0 / 3.3 / 4.0 bar
Over-range rating factor 2 times base range
Process connection LAR-361: CLEANadapt
LAR-761: DIRECTadapt
thread G1" sensor, combined with Negele
process connenction CLEANadapt
torque max. 20 Nm
Tri-Clamp 1½" or 2", DRD, SMS 38, Dairy flange DN40/50, Endress+Hauser Uni 65/85, Hengesbach PZV/VZR series
Materials connector head thread connection diaphragm
oil filling
SS 316 (1.4305), Ø 65 mm
SS 316L (1.4404)
SS 316L (1.4404), Ra < 0.4 μm
medical white oil, FDA approval number
21CFR172.878, 21CFR178.3620, 21CFR573.680
Temperature ranges ambient process compensated
CIP-/ SIP-cleaning
-10…+50 °C (15…120 °F)
-20…+130 °C (0…265 °F)
-20…120 °C (0…250 °F)
140 °C (284 °F) max. 30 minutes
Temperature compensa-
tion time
t90 30 s / 10 K
Accuracy hysteresis linearity reproduceability ≤ 0.075 % of full scale
≤ 0.05 % of full scale
≤ 0.075 % of full scale
Temperature drift zero
span
< 0.04 % of full scale / K
< 0.04 % of full scale / K
Electrical connection cable  gland cable connection M16 x 1.5 (PG)
M12 plug-in SS 316 (1.4305) (Option)
Protection class IP 67 (with cable gland)
IP 69 K (with M12 plug-in connector)
Supply voltage 12…40 V DC
Output 2-wire current loop analog 4…20 mA short circuit proof
Max. loop resistance
(not incl. LAR)
power supply
18 V DC
24 V DC
40 V DC
max. resistive load 300 Ω
600 Ω
1200 Ω
Weight approx. 1050 g