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D-67466 Lambrecht
Phone: +49 63 25 / 188-01
 
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Immersion probe for use in potentially explosive atmospheres

TSR/EW/E5/Variante 0/Ex-0
II 2/1 GD EEx ia IIC T6 

  • with terminal box


  
For use in intrinsically safe circuits in potentially explosive atmospheres 
- probe tube and float: Zone 0, 20, 1, 21, 2 or 22,
- terminal box: Zone 1, 21, 2 or 22.

EC type examination certificate: INERIS 03ATEX0163

Float suitable for use in media with a specific density >=0.7 g/cm³
Brochure Magnetically operated immersion probes TSR [Ex] [PDF]
Probe tube material stainless steel 316 Ti
Probe tube diameter max. 20 mm
Probe tube length max. 6,000 mm
Screw-in nippel material stainless steel 316 Ti
Screw-in nippel dimension G1
Float material stainless steel 316 Ti
Float form ball float
Float diameter 97 mm
Terminal box 
made of glass fibre and graphite reinforced polyester, 
protection class IP 65, according to the number of 
terminals:
A 301,   110 x 75 x 55 mm, for max. 6 terminals
A 120,   160 x 75 x 55 mm, for max. 12 terminals
A 113a, 160 x 160 x 90 mm, for max. 18 terminals
Mounting orientation vertical
Mounting from the top
Temperature resistance 
- 20° C to + 60° C
Pressure resistance 
for pressureless applications only,
pressure resistance up to 10 bar 
on request
Contact 
reed contacts: make (NO), break (NC) 
or changeover (OC) contact

Max. number of contacts:
changeover (OC)
make (NO) or break (NC)

 6
6

Min. distances to be observed
(based on liquids with a specific
density of d = 1 g/cm³):
from the nipple sealing surface
to the upper contact

 90 mm
between contacts 110 mm
from the lower contact to the end of
the probe tube (when float is falling)		 75 mm
Documents for application
in explosive atmospheres 		EC type examination certificate [PDF]
EC Declaration of Conformity [PDF]
[to the language selection]
Installation, operating and maintenance instructions [to the language selection]		 
Probe tube length: according to customer's specifications, however max. 6,000 mm

Available probe tube and float materials:
- stainless steel 316 Ti; on request: Hastelloy B or Hastelloy C

Versions made of titanium with protection class  II 2 GD EEx ia IIC T6 for use in 
potentially explosive atmospheres Zone 1, 21, 2 or 22 on request.

Screw-in nipple: on request G1½ or G2

Also available with angled probe tube for mounting from the side

Versions for use in underground areas in mines with protection class  I M2 EEx ia I
on request.

Options: diode(s) or resistor(s) according to the EC type examination certificate
 
The above equipment will be manufactured in accordance with customer's specifications.

This unit has to be connected to a certified intrinsically safe circuit.  
We can supply appropriate protection relays on request.

Recommended application via 
Jola protection relay KR 5/Ex  I (M1) / II (1) GD [EEx ia] I / IIC

 
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