YOKOGAWA DOX8HS, User Manual, Page: 10 / 32

< 1. Overview >
1-2
IM 19H1D2-01E
1.2 Specifications
1.2.1 Standard Specifications
Applicable sensors: Dissolved Oxygen Sensor DO30G, Optical Dissolved Oxygen Sensor
DO70G, DO71, DO72, and MLSS Sensor SS300G
Mounting: 2-inch pipe mounting vertical or horizontal, with 1 or 2 set of mounting
hardware.
(Note) Make sure the mounting pipe is firmly installed.
Cleaning method:
Water or air jet cleaning (The wiper cleaning of MLSS meter should be
specified on the sensor.)
Material: Holder; Polypropylene or stainless steel equivalent to SUS316)
O-ring; Fluoro-rubber (Viton)
Mounting bracket: Stainless steel (equivalent to SUS316) or galvanized iron
Cleaning unit (wetted parts); Polypropylene
Weight: Holder; Approx. 0.5 to 3.6 kg (polypropylene), Approx. 1.5 to 11.5 kg
(stainless steel)
Mounting bracket; Approx. 1 kg/set
Measuring temperature:
0 to 80 °C
(Note) The temperature may be limited by the specifications of the sensor.
Measuring flow speed: 2 m/s or less.
(Note) The flow rate may be limited by the specifications of the sensor.
Utility required for cleaning unit:
Utility Pressure (kPa) Flow rate
Water jet 100 to 200 5 to 20 l/min
Air jet 100 to 200
10 to 20 Nl/min
(Note 1) Pressure and flow rate must be simultaneously satisfied at the holder inlet port.
(Note 2) A large braid-reinforced tube of Ø22 x Ø15 is recommended for supply due to the flow rate.
1.2.2 Model and Suffix codes
Model Suffix Code
Option Code
Description
DOX8HS
................................................. ................
Submersion type holder
Material -PP
-S3
................
................
Polypropylene
Stainless steel
Pipe length -10
-15
-20
-25
-30
-35
-40
................
................
................
................
................
................
................
1.0 m
1.5 m
2.0 m
2.5 m
3.0 m
3.5 m (stainless steel -S3 only)
4.0 m (stainless steel -S3 only)
Type -C
-L
................
................
For DO30G, SS300G
For DO70G, DO71, DO72
Cleaning Device (*1) -NN
-JT
................
................
No Cleaning
For jet cleaning (The solenoid valve must be specified separately.) (*3)
Connector for Cleaning -NN
-JP
-NP
................
................
................
No Cleaning
Rc1/2 (*3)
1/2NPT (*3)
Style Code *B
...................
Style B
Option Mounting Bracket for Pipe (*2)
Adapter (*4)
/MS1
/MS2
/MS5
/MS6
/D71P
/D71S
/D72P
/D72S
Pipe mounting hardware: 1 set
Pipe mounting hardware: 2 sets
One mounting bracket (Stainless steel)
Two mounting brackets (Stainless steel)
Adapter for DO71 (-PP)
Adapter for DO71 (-S3)
Adapter for DO72 and DO70G (-PP)
Adapter for DO72 and DO70G (-S3)
*1: When using the wiper cleaning of MLSS meter, choose a proper cleaning system under the MS code of the MLSS sensor.