horiba ES-51 User manual

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Preface Thank you for purchasing the ES-51 conductivity meter.
This meter is designed with a compact body that can be held in one hand and
features a water-resistant construction Note 1. It has a large-sized LCD display,
which enables to use the varied functions by simple operations, and especially
will be convenient to use on-location.
Carefully read this manual before using the meter.
Note 1:The water-resistant construction of this meter conforms to IP-67 of IEC
529, entitled “Water resistant testing and protection against penetration by solid
matter for electrical machinery and equipment.” To maintain the water-resistant
construction of this meter, follow the instructions in this manual when using the
meter.
IP-67 standards
・Dust does not get into internal parts.
・Water does not flow into internal parts when the meter is submerged 1 m
below the surface of the water for 30 minutes, at a temperature differential
between the water and the device of 5 ℃or less.
Warranty and Responsibility
Your meter iscoveredbywarrantyfor aperiodof one(1)year,under
normal use. Although unlikely, if any trouble attributableto us shouldoccur
duringthis period, necessaryexchange or repairs shallbeconductedbyus,
free of charge. The warranty does not cover the following:
・Any trouble or damage attributable to actions or conditions specifically
mentioned to be avoided in the operation manuals
・Any trouble or damage attributable to use of the meter in ways or for
purposes other than those described in the operation manuals
・If any repairs renovations, disassembly, etc. are performed on this meter by
anyparty other than us or a party authorized by us
・Any alteration to the external appearance of this meter attributable to
scratches, dirt, etc. occurring through normal use
・Wear and tear to parts, the exchange of accessories, or the use of any parts
not specified byus
We also shall not be liablefor any damages resulting from anymalfunctions
of this product, any erasure of data, or any other uses of this product.

Precautions for use
I
■CE Marking
This product is in conformity with the following directives and
standards:
Directives:The EMC Directives 89/336/EEC
The Electrical Product Safety Directive 73/23/EEC
Standards: EN61326: 1997+A1:1998
(EMISSION: Class B, IMMUNITY Category: Minimum Require-
ment)
EN61010-1: 2001
Installation Environment
This product is designed for the following environment.
- Pollution degree 2
- Measurement category Ⅰ
WARNING:Do Not use the equipment for measurements within
measurement categories
Ⅱ,Ⅲ and Ⅳ .
■FCC Warning
This equipment has been tested and found to comply withthe limits
for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a
commercial environment.
This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications.
Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be
required to correct the interference at his own expense.

Precautions for use
II
■Type and Definition of Signal Words
For the safety use, the meter is equipped with the Warning Labels
to alert every operator and user to the possible risk and danger.
Before using understanding each message.
The meaning of signal words are as follows:
■Safety Precautions
For the safety use, be sure to read the following precautions:
WARNING:
●Do not use any unspecified AC adapters.
Heat or fire may occur to cause fire or accidents.
●Do not disassemble or modify the meter.
Heat or fire may occur to cause fire or accidents.
CAUTION:
●Do not use the serial communication or AC adapter in the place that
may possibly contact with moisture.
It may cause fire, electric shock, or breakage.
●Part of the electrode is made of glass; handle with care not to break it.
(WARNING)This indicates an potentially hazardous situation which,
if not avoided, will result in death or serious injury.
(CAUTION)This indicates a potentially hazardous situation which, if
not avoided, may result in minor or moderate injury. It
may also be used to alert unsafe practices.

Precautions for use
III
●Indication
WARNING
This indicates an potentially hazardous situation which, if not
avoided, will result in death or serious injury.
CAUTION
This indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also be
used to alert unsafe practices.
This mark indicates the operation requires a special care and
attention.
This mark indicates to which the reader should go for reference.
This mark indicates reference information.
HINT!

Precautions for use
IV
■Cautionary Items
●Precautions
●Do not give physical shock to the meter like dropping or hitting.
●Do not immerse the meter into alcohol, organic solvent, strong
acid, strong alkaline, and other similar solutions. The meter
contains ABS resin, acrylic resin, and various rubber products in
its body.
●Do not use a hair-dryer for drying the meter. When the meter is
dropped into water or get wet, wipe it using soft cloth.
●Perform the key operation by the fingers, not by the hard object like
metal stick or rod.
●Be careful not to let water into the meter when the electrode connector
is empty or the AC adapter or serial communications cable has been
connected. In those states, the meter is not water-proof.
●To disconnect the electrode cable or interface cable, pull them out with
holding the connector part. Do not pull the cable part; it may cause a
breakage.
●Do not remove the battery gasket or twist it.
●When opening the battery case, make sure that no foreign matter is
attached to the battery gasket.
●Do not use any unspecified batteries ; it may cause a breakage.
●Location of use and storage
●The place which room temperature is at 0 ℃to 45 ℃
●The place which relative humidity is under 80% and free from
condensation
Do not use or store the meter at;
●The place of much dust
●The place with strong vibration
●The place with direct sunlight
●The place with corrosive gas generation
●The place near from an air-conditioner
●The place with direct wind
●Move and Transportation of the meter
To transport the meter, use the packaging box at the delivery.
Transportation by any unspecified packing methods may cause a
breakage.
●Disposal Standard solution used for the calibration must be under
neutralization before the disposal. As for the disposal of the meter,
treat it as an industrial waste.

CONTENTS
ES-51 V
1 Overview of the Meter . . . . . . . . . . . . . . . . . . . . 1
1.1 Package contents........................................................................... 1
1.2 Functions......................................................................................... 3
1.3 Part names ...................................................................................... 6
1.4 Explanation of display.................................................................... 7
1.5 Operation keys................................................................................ 9
1.6 Connecting the electrodes............................................................. 10
1.7 Inserting/replacing the dry-cell batteries ..................................... 12
1.8 Connecting the AC adapter ........................................................... 14
2 Taking Measurements . . . . . . . . . . . . . . . . . . . . 15
2.1 Turning the meter ON/OFF............................................................. 15
2.2 Settings required before measurement........................................ 15
2.3 Measurement modes...................................................................... 16
2.4 Selecting the measurement modes .............................................. 18
2.5 Conductivity measurement ........................................................... 19
3 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.1 Data memory function.................................................................... 27
3.2 Displaying and setting the clock................................................... 30
3.3 Setting modes................................................................................. 32
3.3.1 Entering the Setting mode ............................................................ 32
3.3.2 Display and description ................................................................ 33
3.3.3 Temperature compensation setting .............................................. 34
3.3.4 Auto data storage setting ............................................................. 35
3.3.5 Sample ID# setting ....................................................................... 37
3.3.6 Conductivity unit setting ............................................................... 38
3.3.7 Temperature coefficient setting ................................................... 38
3.3.8 Maintenance mode ....................................................................... 39
4 RS-232C communications . . . . . . . . . . . . . . . . . 49
4.1 Cautions before use....................................................................... 49
4.2 Command list.................................................................................. 51
4.3 On-line operation commands........................................................ 54

CONTENTS
VI HORIBA
4.4 Data request commands and responses...................................... 60
4.5 Communication example using the HyperTerminal.................... 69
5 Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.1 Connecting the printer................................................................... 71
5.2 Printer setting ................................................................................. 72
5.3 Printer output timing...................................................................... 73
5.4 Printing format................................................................................ 74
5.4.1 When the ENTER key is pressed in the Measurement mode ...... 74
5.4.2 When the manual data memory storage is performed in the
Measurement mode .................................................................................75
5.4.3 When the ENTER key is pressed in the Data Memory Call screen 75
5.4.4 When calibration or check is performed in the Calibration mode . 76
5.4.5 Test printing format in the Maintenance mode ............................. 76
6 Maintenance and Troubleshooting . . . . . . . . . . 77
6.1 Conductivity electrode maintenance............................................ 78
6.2 Troubleshooting ............................................................................. 79
6.2.1 Error message chart ..................................................................... 79
6.2.2 More troubleshooting .................................................................... 84
7 Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
7.1 Conductivity measurement............................................................ 92
7.2 Specifications ................................................................................. 99
7.3 Default settings............................................................................... 101
7.4 Operation flowcharts...................................................................... 102
7.5 Pin layout of special cables......................................................... 103
7.5.1 RS-232C communications cable ................................................ 103
7.5.2 Cable for CITIZEN printer ............................................................. 103
7.5.3 Cable for SEIKO printer ................................................................ 103
7.6 Spare and optional parts.............................................................. 104
7.6.1 Spare parts list ........................................................................... 104
7.6.2 Options ......................................................................................... 105

1 Overview of the Meter
1.1 Package contents
ES-51 1
1Overview of the Meter
This chapter explains the part names,how to connect
the electrodes, how to replace the batteries, and
precautions when using themeter.
1.1 Package contents
The following items are shipped with each HORIBA
conductivity meter package.
Meter (main unit) 1 unit
Dry-cell batteries 2 pcs.
Strap 1 pc