
www.landtek.com.cn
www.landteknet.com
10. GENERAL MAINTENANCE
11. ELECTRICAL CONNECT
DIAGRAM
1.INTRODUCTION
2.SPECIFICATIONS
3.FRONT PANEL
DESCRIPTIONS
4.ASSEMBLY AND
INSTALLATION
5. MENU OPERATION
DIAGRAM
6.PH CALIBRATION
7.ORP CALIBRATION
8.HIGH AND LOW SETTINGS
FOR PH CONTROLLER
9.HIGH AND LOW SETTINGS
FOR ORP CONTROLLER
..................................
..................................
......................................
.....................................
.................................................
.................................
..............................
.......................
....................
...........
..............................................
TABLE OF CONTENTS
》
》
section. Input the hysteresis value (dead band)
on the auxiliary section by Pressing the up key
or down key
. e.g. to control the Ph value
between 5-7 by adding alkali, just set LoAL to
"
5
"
, and lb to
"
2
"
.
8.4 Press the
key and lb shows on the main
M
》
》
9.HIGH AND LOW SETTINGS FOR ORP
The High setting determines the operating
parameters for Relay High; while low setting
defines the operating parameters for Relay Low.
HiAL on the upper section of the Display. It
takes about 3 second from pressing the M key.
Then Press the up key or down key to
adjust the digit on the auxiliary section to the
desired value which controls the relay HIGH
output.
section. Input the hysteresis value (dead band)
on the auxiliary section by Pressing the up key
between 70-150 by adding natrium sulphide,
just set HiAL to
"
150
"
, and hb to
"
80
"
.
section. Then Press the up key
or down key
to adjust the digit on the auxiliary section
to the desired value which controls the relay
LOW output.
9.1 Press the M key and not release it until the
9.2 Press the M key and hb shows on the main
9.3 Press the M key and LoAL shows on the main
9.4 Press the M key and lb shows on the main
》
》
or down key . e.g. to control the ORP value
》
》
CONTROLLER
7
No connection
No connection
4~20mA+ ,optional
4~20mA- ,optional
110V AC live wire
110V AC neutral wire
11
12
13
14
15
16
N O.
CONNECTION
9
Optional probes
Model number
Cases
PH-200
Industrial process
Highly polluted process and
waste water
Anti- HF electrode
Cases of high temp or high
pressure or leavening
3.FRONT PANEL DESCRIPTIONS
M
》
》
L: LED for Low-setting alarm
H: LED for High-setting alarm
: MENU key
: Up key
: Down key
2
1
2
5
6
7
8
1
4
4
4
8
L
H
PH/ORP CONTROLLER
PH/ORP-2000
M
》
》
Auxiliary
section
Main section
PH-201
PH-202
PH-203
PH-210
ORP