Endress+Hauser NAR300-13 Series - Transmitter NRR 262; Sensor I;F Ex Box

Oil Leak Detector NAR 300 system
24 Endress+Hauser
5.3 Transmitter NRR 262
The NRR 262 sets up indoors such as in an instrument room and can install easily using two M4
screws.
It is possible to install with snap-in of simple one-touch function by using DIN rail EN50022.
When installing multiple transmitters consecutively and having a plan to install more, this rail
mounting is convenient.
5.4 Sensor I/F Ex box
The Sensor I/F Ex box uses in combination with Transmitter NRR 262 to translate the signals from
Float Sensor. The Ex box usually mounts a pipe in tank yard and tighten up using U bolt ( JIS f 3022
B50). Also, it is possible to mount directly on wall surface (4 x Φ 12 mm, fixing Bolts M10 and
Nuts).
*1: Please select the cable entry from the Sensor I/F Ex box order code (6 page).
M4
20
40
13
119
110
97
4.5
25
38
78
M3
Delay trimmer
129
5
DIN rail:EN50022 compliant
M4 screw
(This is not accesory)
PF1/2, NPT1/2:85
PG16,M25:107
75 (113.7)
165. 2
61. 2
222.2
Special U Bolt with Nut and Plain washer
*1
JIS F3022 B50
Matetial: Carbon steel (chromate filming)
6 Electrical connection