YOKOGAWA ZR402G User Manual

<3. Installation>
3-3
IM 11M12A01-04E 11th Edition : Jul. 19, 2017-00
When you specify option code /F1, the detector is shipped with the dust lter mounted.
Follow this procedure when replacing the lter in the detector. It is recommended that you
read Chapter 11 prior to lter mounting, for it is necessary to be familiar with the detector’s
construction, especially the sensor assembly.
(1) Mount the dust lter by putting it on the end of the detector and screw the dust lter
clockwise. Put a hook pin wrench (K9471UX), Ø52 to 55 in diameter, into the hole on the
dust lter to fasten or remove it.
Apply a heat-resistant coating (see Note 1) to the threads on the detector.
Where mounting dust lter after having once removed it from the detector, reapply the heat-
resistant coating.
Note 1: As the detector is heated to 700°C, it is recommended to use the heat-resistant coating on the threads to prevent seizing up.
Name of heat-resistant coating material: “Never-Seez Nickel Special”.
Ø51
32
10
Carborundum filter (SiC)
Increasing of insertion length
F31.EPS
Screw
Detector
Attach the filter unit to the tip of the
detector by screwing it clockwise.
Figure 3.2 Installation of the dust lter
<Procedures for installing the dust guard protector (K9471UC)>
The ZR202G is shipped with the dust guard protector when the option code /F2 is specied in
case of ordering the detector. The protector should be used when preventing dusts and water
drops from lowering the detector performance is desired. Screw the protector on the top of the
detector so as to cover the top. When attaching or detaching the protector, perform by hooking
holes of its side with a hook pin wrench for Ø52-55 hole( Pin diameter 4.5 mm: P/N K9471UX
or the like) or by pass a screwdriver through the holes. When re-attaching the protector after
detaching it, apply the “Never-Seez Nickel Special” to it.
4-Ø6
122
Ø50.8
100
Increasing of insertion length
F11-1.ai
Figure 3.3 Installation of the dust guard protector
<Detector with a probe protector (Model ZO21R-L-200-
*
B for enhance forth>
The detector is used with a probe protector to support the probe (ZR202G) when the probe
length is 2.5m or more and mounted horizontally.
(1) Put a gasket (provided by the user) between the anges and mount the probe protector in
the probe insertion hole.

YOKOGAWA ZR402G Specifications

General

Brand	YOKOGAWA
Model	ZR402G
Category	Measuring Instruments
Language	English