Thermo Scientific Alpha RES 1000, Manual

Page: 4 / 34

TABLE OF CONTENTS
1 INTRODUCTION .................................................................................................1
1.1 D
ESCRIPTION OF
U
NIT
....................................................................................1
1.2 A
PPLICATIONS
................................................................................................1
2 ASSEMBLY AND INSTALLATION.....................................................................2
2.1 M
EASUREMENT AND
C
ONTROL
S
YSTEM
............................................................2
2.2 U
NIT
D
IMENSIONS
..........................................................................................2
3 ELECTRICAL CONNECTION.............................................................................3
3.1 C
ONNECTION
D
IAGRAM
...................................................................................3
3.2 B
ACK
P
ANEL
..................................................................................................4
4 OVERVIEW .........................................................................................................5
4.1 K
EYPAD AND
D
ISPLAY
.....................................................................................5
4.1.1 Keypad ................................................................................................................... 5
4.1.2 Display ................................................................................................................... 5
4.2 F
UNCTION
G
ROUPS
........................................................................................6
4.3 C
ONTROL
C
ONCEPT
.......................................................................................7
5 MEASUREMENT ................................................................................................8
5.1
ISPLAY IN
M
EASUREMENT MODE
....................................................................8 D
5.1.1 Check electrode performance ................................................................................ 8
5.1.2 Checking set points................................................................................................ 8
5.2
ECURITY
C
ODES
...........................................................................................8 S
5.2.1 How to enter and change parameters in Calibration mode.................................... 8
5.2.2 How to enter and change parameters in Advanced Setup mode .......................... 9
6 CALIBRATION MODE ......................................................................................10
6.1 R
ESISTIVITY
C
ALIBRATION
.............................................................................10
7 ADVANCED SET-UP MODE ............................................................................10
7.1 T
EMPERATURE
C
OEFFICIENT SUB
-
FUNCTION
...................................................11
7.1.1 Selecting Pure-water or Linear Temperature Coefficient ..................................... 11
7.2
EMPERATURE CALIBRATION
(ATC
MODE ONLY
) ..............................................12 T
7.2.1 Setting manual temperature compensation ......................................................... 12
7.3
ONTROL
R
ELAY
A/C
ONTROL
R
ELAY
B (SP1/SP2)
SUB
-
FUNCTION
..................13 C
7.3.1 Entering the Set point 1 (Set point 2) sub-function .............................................. 13
7.3.2 Selecting the set point values .............................................................................. 13
7.3.3 Choosing High or Low set points ......................................................................... 13
7.3.4 Selecting a hysteresis (dead band) value (0.000 to 0.200 m
Ω
or 0.00 to 2.00 m
Ω
)1 3
7.3.5 Setting an on-delay time lag................................................................................. 14
7.3.6 Setting an off-delay time lag................................................................................. 15
7.4
ONTROLLER
(C
NTR
)
SUB
-
FUNCTION
.............................................................15 C
7.4.1 Entering the Controller sub-function..................................................................... 15
7.4.2 Choosing the controller type (limit or proportional) .............................................. 15
7.4.3 Choosing break/make contact relay type ............................................................. 16
7.4.4 Selecting proportional range value Xp ................................................................. 16
7.4.5 Maximum Pulse Length (tPL) or Maximum Frequency (FPF).............................. 17