1-3ft Model
A multizone temperature probe applies to control temperature of liquid in tanks of petroleum products at different depths. The sheath is made of special intrinsically safe plastic. It's chemically inert to petroleum products. The sensors are placed inside of the sheath at different depths. DS18B20 applies as the sensors. This probe has Exia explosion proof classification. The magnet and weight are placed at the end of the pipe. It allows to stretch the probe and attach to the bottom of the tank.
Technical specifications
| Type | DS18B20 |
| Number of snesors | 5 |
| Accuracy | 0,5°C |
| Wire connection | 3 wired |
| Process connection size | G2 clutch |
| Industrial head | ВХ |
| Sheath material | AISI 321 |
| Pipe material | Antistatic polyamide |
| Cargo material | Steel 20 |
| Process temperature range, °С | -20…40 |
| Thermal inertia, sec | 45 |
| Pressure, MPa | 6,3 |
| Explosion-proof labelling | 0ExiallCT6...T1 X (allowed zones: 0, 1, 2, 20, 21, 22) |
Dimensions
| Length of the immersion part, L, mm | 1000...20000 (on order) |
| Distance between the bearing area and the sensor, L1, L2, L wire | Any (on order) |
| Length of the remote part, mm* | 120 |
| Diameter of the immersion part, mm | Ø17 |
* - distance between the bearing area and the industrial head
NOTE! The connection of the remote part and the industrial head must stay in temperature, which doesn't exceed the permitted one: B and Bx (polyamide) - up to 160°С, A, A1, TX and AIX (aluminium) - up to 200°С. All types of industrial heads have IP54 or IP67 ingress protection only up to 120°С. In some cases to ensure these requirements it's necessary to order a taller immersion or remote part to make out from "hot" impact.