Fuji Electric ZaFe User manual

THERMAL CONDUCTIVITY
GAS ANALYZER
<FLAMEPROOF TYPE>
TYPE: ZAFE

INZ-TN4ZAFE-E

i
INZ-TN4ZAFE-E


 


 

 


 
 
 
 
 
  
  
 







 





ii INZ-TN4ZAFE-E

 


DANGER


CAUTION



PROHIBITION

 
CAUTION


 
Caution on installation and transport
DANGER



CAUTION

















iii
INZ-TN4ZAFE-E
Caution on wiring
CAUTION







Caution on piping
DANGER








Caution on use
DANGER


CAUTION





PROHIBITION



iv INZ-TN4ZAFE-E
Caution on maintenance and chec
CAUTION





Others
CAUTION








v
INZ-TN4ZAFE-E



 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
  
 
 
 
 
 
  
 
 
 
 
 
  
  

vi INZ-TN4ZAFE-E
 
  
 
  
  
 

1 - 1
INZ-TN4ZAFE-E

 







 








2 - 1
INZ-TN4ZAFE-E
 
 
 
  
  
  
  
 


 


  
  
  

(1)
(9)
(8)
(7)
(2)
(3)
(6)
(4)
(5)

2 - 2 INZ-TN4ZAFE-E
 















Sample gas
DC constant
current
Measuring
chamber
Reference
chamber
Reference gas
sealing
DC amplifer
Fixed
resister Fixed resister
Fig.2-1 Structural View of Thermal Conductivity Gas Analyzer

2 - 3
INZ-TN4ZAFE-E
Table 2-2 Relative Thermal Conductivities of Typical Gas Components
(Specific Thermal Conductivities)


   
   
    
    
    
   
     
   
    
Fig. 2-2 Indicating Deviation due to Interfering Components in Thermal Conductivity Gas Analyzer
 
   
    
    
    
     
    
    
     
 

 
 
 
Caution

3 - 1
INZ-TN4ZAFE-E

 














 




 




DANGER
CAUTION

3 - 2 INZ-TN4ZAFE-E
100
or more
100
or more 326
526 or more
Unit: mm

   
   
   
   

   
   
 
 
286
4-M12
402

Fuji Electric Instruments Co.,Ltd.
Fuji Electric systems Co.,Ltd.
Mounting
panel
1
Accessories of
main flame
2

  
  
  
 
 

3 - 3
INZ-TN4ZAFE-E
 

 

 


 

 

In piping, the following precautions should be observed. Wrong piping may cause gas leakage.
If the leaking gas contains a toxic component, there is a risk of serious accident being induced.
Also, if combustible gas is contained, there is a danger of explosion, re or the like occurring.







DANGER

3 - 4 INZ-TN4ZAFE-E
Fig. 3-1 Piping
  



 


INLET
OUTLET
Gas inlet
Gas outlet

3 - 5
INZ-TN4ZAFE-E

 
 

 


 

 

 

 



 

 
 

 


3 - 6 INZ-TN4ZAFE-E
 



Drain trap
Ball value
Flow meter
Solenoid
value Solenoid
value
Span
calibration
gas
Zero
calibration
gas
Membrane
filter
Analyzer (ZAFE)
Exhaust
Note) If auto calibration function is not provided, use a change cock.
Aspirator
Sampling
gas
Electronic
dehumidifier
Note)
Fig. 3-2 Example of sampling system conguration

3 - 7
INZ-TN4ZAFE-E
 
Note) After the wiring work, be sure to place the protective cover for the terminal blocks to
assure safety.



Optional terminal block
Standard terminal block
 





 




CAUTION

3 - 8 INZ-TN4ZAFE-E










ZAF power supply
Varistor or
spark killer
Locate and connect
in close proximity
Noise source
When noise source is in the vicinity
 
•   

•   Ω
Ω
Note) The measured value output signal of this instrument is not isolated. To eliminate
the interference from unnecessary signals and the effect of external interference, we
recommend you to isolate signals.
 



Note) The corrective input section of this instrument is not isolated. To eliminate the
interference from unnecessary signals and the effect of external interference, we
recommend you to isolate signals.
 
• 
• 
 


• 
Note) To eliminate the effect of external interference, separate the power cable from the
measured value output signal cable and contact input signal cable.

3 - 9
INZ-TN4ZAFE-E
 
DO1
DO1
DO2
DO2
DO3
DO3
DO4
DO4
DO5
DO5
AIN+
AIN–
DI1
DI2
DI2
DI3
DI3
DI1
Remote output holding
Remote range changeover
Remote automatic calibration start
Interference correcting
input 1 to 5V DC Contact output 2
Contact output 3
Contact output 4
Contact output 5
Contact output 1
1 11
2 12
3 13
4 14
5 15
6 16
7 17
8 18
9 19
10 20
(Option) 13th digit A and 14th digit A, C, E(Standard)
L
N
E
+
–
Measured value output (as specified)
4 to 20mA DC, 0 to 1V DC
0 to 10mV DC
Power supply
100 to 240V AC, 50/60Hz
Grounding terminal
L
AC
POWER
V
SOURCE OUT PUT
N
PE 101+ 102–
(M3.5 screw)
(M3.5 screw)
RS232C communication (option)
Terminal number
2
3
5
Other
Signal
Pin
Recive Data
D-Sub9P
male
Transmit Data
Signal GND
NC
1 5
6 9