Technical Instructions for
Correlation Sensors
Page 28
Correlation Sensors – Rev. 07 as of 20.04.2016
®
Level measurement - Pressure
Measurement range
0 to 500 cm
Zero point drift
max. 0.75 % of final value (0–50 °C)
Measurement uncertainty
<0.5 % of final value
Temperature measurement
Measurement range
-20 °C up to +60 °C
Measurement uncertainty
±0,5 K
4.3
Electronic Box, type: EBM
Protection rating
IP 68 (with connection sockets locked)
Ex-Approval
II 2 G Ex ib IIB T4 Gb
Operating temperature
-20 °C to +50 °C (-4 °F to 122 °F)
-20 °C to +40 °C (-4 °F to 104 °F) for applications in Ex Zone 1
Storage temperature
-30 °C to +70° C (-22 °F to 158 °F)
Operating pressure
max. 1 bar
Cable length
3/10/20/30/50/100 m
Type of cable
LiYC11Y 2x1.5 + 1x2x0.34
Outside cable diameter
8.4 mm ±0.25 mm
Medium contacting
materials
Polyurethane, stainless steel 1.4571, PP
4.4
Air Ultrasonic-Sensor Mini, type DSM
Measurement principle
Ultrasonic transit time
Measurement frequency
125 kHz / 200 kHz
Protection rating
IP 68
Ex-Approval
II 2 G Ex ib IIB T4 Gb
Operating temperature
-20 °C to +50 °C (-4 °F to 122 °F)
-20 °C to +40 °C (-4 °F to 104 °F) for applications in Ex Zone 1
Storage temperature
-30 °C to +70° C (-22 °F to 158 °F)
Operating pressure
max. 1 bar
Cable length
7/15 m for connection to Electronic Box
Type of cable
2x (2x28 AWG/7-(ST)12Y)+4x28 AWG/7
Medium contacting
materials
Polyurethane, stainless steel 1.4571, PPO GF30, PA
Measurement range
0 to 200 cm (0 to 6.56 ft)
Dead zone
(as from ground plate)
4 cm (1.57 in)
Measurement uncertainty
< ±5 mm
Zero point drift
absolutely stable zero point
Temperature measurement
Measurement range
-20 °C to +50 °C (-4 °F to 122 °F)
Measurement uncertainty
±0.5 K