Level Controller MS1 electronic EX
The NIVA level controller MS1 electronic EX is the ideal solution to control liquids with limited switching space in potentially explosive atmospheres classified Zone 0, 1 and 2. For example in:
- Refineries
- Gas stations
- Sewige works
Download: NOLTANIVA Motor protection and water technology catalogue
Download: Level Controller MS1 electronic EX (PDF)
The NIVA level controller MS 1 electronic EX meets the latest requirements of EC directive 95/9/EC (ATEX 95), which must be respected by applications in potentially explosive areas. In accordance with licence ASEV 99.110036.02 the level controller MS 1 electronic EX may be used in zone 0, zone 1 and zone 2 as well as in gas groups IIA, II B and IIC, where an explosion hazard exists due to combustible materials in temperature classes T1 to T6.
Available versions:
| Type | Leitung | Lenght (m) | Order-no. |
|---|---|---|---|
| W | TPK/PVC 4G0,75 | 5 | 40 000205 |
| W | TPK/PVC 4G0,75 | 10 | 40 000210 |
| W | TPK/PVC 4G0,75 | 20 | 40 000220 |
W = Changeover (SPDT)
Other cable types and lengths are available upon request
| Intrinsic safety barrier relais | 06 3232 |
Application:
For use in intrinsically safe electrical circuits in zones 0, 1 and 2.
Electronic connection:
| Funktion des Niveaureglers | Wire | |||
|---|---|---|---|---|
| blue | black | brown | ||
| For emptying a tank | insulate | X | X | X |
| For filling a tank | X | insulate | X | X |
| Alarm high level | insulate | X | X | X |
| Alarm low level | X | insulate | X | X |
Technical data subject to change
Technical data:
| Specific weight: | 0,95 - 1,05 or according to specification |
| Max. temperature: | 80°C |
| Breaking capacity: | *1 - 100 mA / 4 - 40 V |
| Inductance Li: | 0 |
| Capacitance Ci: | 0 |
| Switch point: | 10° |
| Protective system: | II 1G EEx ia IIC T6 |
| Cable cross section: | 4G0,75 mm² |
| Height / diameter: | 180 / 100 mm |
| Housing quality: | **PRE-ELEC PP |
| Housing Colour: | Black |
| Cable quality: | TPK / PVC |
| Cable colour: | Blue |
| * | Micro-switch with gold-plated contacts especially for low currents in electronic circuits |
| ** | Specially deflective plastic to prevent electrostatic charging when used in Ex-area (in accordance with ATEX 95). |
- EC-type examination certificate



