EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manual de Instruções Página 25
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7.5 Current Output (rng) sub-function
This sub-function lets you set the controller current output
range of this unit.
7.5.1 Entering current output sub-function
1) Enter Advanced Set-up mode. Press the ENTER key
and scroll to Advanced Set-up security code “22”. Press
the ENTER key again.
2) Press the ▲ or ▼ key to scroll until the upper display
shows “rng”.
7.5.2 Choosing the output type
This parameter lets you choose between 0-20 mA or 4-20
mA output.
1) Follow directions in 7.5.1 to enter Current Output
mode.
2) Press the ENTER key. Scroll with the ▲ or ▼ key until
the upper display shows the output type (0-20 or 4-20),
and the lower display shows “out”.
3) Press the ▲ or ▼ key to select your output type: 0-20 or
4-20 mA.
4) Press the ENTER key to confirm your selection.
5) Proceed to 7.5.3 step 3, or return to Measurement mode
by pressing the ▲ and ▼ keys simultaneously (escape).
7.5.3 Selecting pH/ORP value at 0(4)mA
This parameter lets you choose a pH or ORP value at which
the controller output will be 0(4) mA. NOTE: If you are in the
pH mode, ORP parameters are blocked out. If you are in the ORP mode, pH parameters are
blocked out.
1) Follow directions in 7.5.1 to enter Current Output mode.
2) Press the ENTER key. Scroll with the ▲ or ▼ keys until the upper display shows a pH or
ORP value and the lower display shows “r.0(4)”.
3) Press the ▲ or ▼ key to select pH or ORP value to be equivalent to 0(4) mA.
4) Press the ENTER key to confirm your selection.
5) Press the ENTER key to return to Advanced Set-up mode, or return to Measurement mode
by pressing the ▲ and ▼ keys simultaneously (escape).
7.5
.4 Selecting pH/ORP value at 20mA
This parameter lets you choose a pH or ORP value at which the controller output will be 20 mA.
NOTE: If you are in the pH mode, ORP parameters are blocked out. If you are in the ORP mode,
pH parameters are blocked out.
1) Follow directions in 7.5.1 to enter Current Output mode.
2) Press the ENTER key. Scroll with the ▲ or ▼ keys until the upper display shows a pH or
ORP value and the lower display shows “r.20”.
3) Press the ▲ or ▼ key to select pH or ORP value to be equivalent to 20 mA.
4) Press the ENTER key to confirm your selection.
5) Press the ENTER key to return to Advanced Set-up mode, or return to Measurement mode
by pressing the ▲ and ▼ keys simultaneously (escape).
HO LD
4-20
SETUP
HO LD
0
SETUP
HO LD
pH
14
SETUP
HO LD
pH
SETUP
- Alpha pH/ORP 1000 1
- Preface 3
- Safety Information 4
- TABLE OF CONTENTS 5
- 1 INTRODUCTION 6
- 2.2 Unit Dimensions 7
- 3 ELECTRICAL CONNECTIONS 8
- Electrode 9
- Potential 9
- Matching Pin (PMP) 9
- FUSE 250VAC 10
- 4 OVERVIEW 11
- 4.2 Function Groups 12
- 4.3 Control Concept 13
- 5 MEASUREMENT 14
- adjustment 17
- 7 ADVANCED SET UP MODE 19
- 8 AUTO/MANUAL MODE 30
- 9 TECHNICAL SPECIFICATIONS 31
- Mechanical Specifications 32
- 10 ACCESSORIES 33
- 11 GENERAL INFORMATION 34
- 12 APPENDICES 35
- 4 . 0 4 . 5 9 . 5 1 0 . 0 37
- 12.4 Appendix 4 38
- Water Analysis Instruments 42
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