Endress+Hauser Turbimax CUE25 User manual

Operating Instructions
Turbimax CUE25 / CUE26
Handheld turbidimeter for field measurement
AUTHORIZED DISTRIBUTOR:
InstrumentsAndControl.com
Houston, Texas USA
[email protected]
281-609-7170

Endress+Hauser
Brief operating instructions
This explains how to use these Operating Instructions to commission your turbidimeter quickly and
safely:
Safety instructions
→Page 4 ff.
→Page 5
General safety instructions and explanations of the safety icons are provided in the section in
question.
Specific safety instructions are provided at the appropriate position. Their level of importance can
be seen from the icon: #Warning, "Caution, !Note.
Æ
Installation
→Page 8
→Page 9 ff.
The installation conditions, such as the dimensions of the device, are illustrated here.
Here, you can find the steps for installation of the batteries.
Æ
Operation
→Page 10
→Page 11 ff.
Use this section to familiarize yourself with the operation of the device.
This section provides information on routine measurement.
Æ
Calibration
→Page 12 ff. Here, you can find out how to calibrate your turbidimeter.
Æ
Maintenance
→Page 15 ff. Here, you can find information on important maintenance activities, for example, cleaning the
cuvette and replacing the batteries.
Æ
Accessories
→Page 17 Here, you can find an overview of the accessories which can be supplied.
Æ
Troubleshooting
→Page 18 If faults occur during operation, use the check lists to localize and remedy them.
Æ
Technical data
→Page 21
→Page 20
Dimensions
Ambient and process conditions, weight, materials etc.

Turbimax CUE25 / CUE26
Endress+Hauser 3
Table of contents
1 Safety instructions . . . . . . . . . . . . . . . . 4
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Installation, commissioning and operation . . . . . . . . 4
1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Notes on safety icons and symbols . . . . . . . . . . . . . . 5
2 Identification . . . . . . . . . . . . . . . . . . . . 6
2.1 Device designation . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Certificates and approvals . . . . . . . . . . . . . . . . . . . . 6
3 Installation . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Quick installation guide . . . . . . . . . . . . . . . . . . . . . . 7
3.2 Incoming acceptance, transport, storage . . . . . . . . . . 7
3.3 Installation conditions . . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Installation instructions . . . . . . . . . . . . . . . . . . . . . . 9
3.5 Post-installation check . . . . . . . . . . . . . . . . . . . . . . . 9
4 Operation . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Display and operating elements . . . . . . . . . . . . . . . 10
4.2 Key assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.3 Routine operation . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4 Instrument calibration . . . . . . . . . . . . . . . . . . . . . . 12
5 Maintenance. . . . . . . . . . . . . . . . . . . . 15
5.1 Cleaning the cuvette . . . . . . . . . . . . . . . . . . . . . . . 15
5.2 Replacing the batteries . . . . . . . . . . . . . . . . . . . . . . 16
6 Accessories. . . . . . . . . . . . . . . . . . . . . 17
6.1 Calibration solutions . . . . . . . . . . . . . . . . . . . . . . . 17
6.2 Cuvettes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Troubleshooting . . . . . . . . . . . . . . . . . 18
7.1 Troubleshooting instructions . . . . . . . . . . . . . . . . . 18
7.2 System error messages . . . . . . . . . . . . . . . . . . . . . . 18
7.3 Battery low indicator . . . . . . . . . . . . . . . . . . . . . . . 18
7.4 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.5 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8 Technical data . . . . . . . . . . . . . . . . . . 20
8.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.2 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.3 Performance characteristics . . . . . . . . . . . . . . . . . . 20
8.4 Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.5 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.6 Mechanical construction . . . . . . . . . . . . . . . . . . . . 21
Index . . . . . . . . . . . . . . . . . . . . . . . . . 22

Safety instructions Turbimax CUE25 / CUE26
4Endress+Hauser
1 Safety instructions
1.1 Designated use
The Turbimax CUE25 / CUE26 turbidimeters are compact handheld meters for turbidity
measurement in process water, drinking water and wastewater. The infrared light instrument,
CUE25, meets the design criteria on turbidity measurement specified in ISO 7027 and DIN 27027.
The white light instrument, CUE26, meets the design criteria specified by US EPA 180.1.
Any other use than the one described here compromises the safety of persons and the entire
measuring system and is, therefore, not permitted.
The manufacturer is not liable for damage caused by improper or non-designated use.
1.2 Installation, commissioning and operation
Please note the following items:
• Installation, commissioning, operation and maintenance of the measuring system must only be
carried out by trained technical personnel.
The technical personnel must be authorized for the specified activities by the system operator.
• Electrical connection must only be carried out by a certified electrician.
• Technical personnel must have read and understood these Operating Instructions and must
adhere to them.
• Before commissioning the entire measuring point, check all the connections for
correctness. Ensure that electrical cables and hose connections are not damaged.
• Do not operate damaged products and secure them against unintentional
commissioning. Mark the damaged product as being defective.
• Measuring point faults may only be rectified by authorized and specially trained
personnel.
• If faults can not be rectified, the products must be taken out of service and secured against
unintentional commissioning.
• Repairs not described in these Operating Instructions may only be carried out at the
manufacturer’s or by the service organisation.
1.3 Operational safety
The measuring system has been designed and tested to the highest standards and left the factory in
perfect functioning order.
Relevant regulations and European standards have been met.
As the user, you are responsible for complying with the following safety conditions:
• Installation instructions
• Local prevailing standards and regulations.
Immunity to interference
This instrument has been tested for electromagnetic compatibility in industrial use according to
applicable European standards.
Protection against interference as specified above is valid only for an instrument
connected according to the instructions in these Operating Instructions.
1.4 Return
If the system has to be repaired, please return it cleaned to the sales center responsible.
Please use the original packaging, if possible.

Turbimax CUE25 / CUE26 Safety instructions
Endress+Hauser 5
1.5 Notes on safety icons and symbols
Safety icons
Electrical symbols
#Warning!
This symbol alerts you to hazards. They can cause serious damage to the instrument or to persons
if ignored.
"Caution!
This symbol alerts you to possible faults which could arise from incorrect operation. They could
cause damage to the instrument if ignored.
!Note!
This symbol indicates important items of information.
Direct Current (DC)
A terminal at which DC is applied or through which DC flows.
Alternating Current (AC)
A terminal at which (sine-form) AC is applied or through which AC flows.
)Ground connecting
A terminal, which, from the user’s point of view, is already grounded using a grounding system.
*Protective ground terminal
A terminal which must be grounded before other connections may be set up.
bAlarm relay
Input
Output
DC voltage source
Temperature sensor

Identification Turbimax CUE25 / CUE26
6Endress+Hauser
2 Identification
2.1 Device designation
2.1.1 Nameplate
Compare the order number on the nameplate with your order.
The device version can be identified from this order number.
2.1.2 Ordering information
CUE25 handheld, infrared
CUE26 handheld, white light
2.2 Scope of delivery
The scope of delivery comprises:
• 1 Turbimax CUE25 /CUE26 turbidimeter with 4 AAA alkaline batteries
• 1 Calibration kit CUE25 / CUE26 including
– 0.02 NTU standard
– 10.0 NTU standard
– 1000 NTU standard
• 2 Empty cuvettes and Kimwipes®
• 1 Operating Instructions BA397C/07/en
• 1 Instruction card
If you have any questions, please contact your supplier or your sales center responsible.
2.3 Certificates and approvals
Declaration of conformity
The product meets the legal requirements of the harmonized European standards.
The manufacturer confirms compliance with the standards by affixing the 4symbol.
a0003778
Fig. 1: CUE25 nameplate (example)
Version
AStandard
CUE25- complete order code
Version
AStandard
CUE26- complete order code
Turbimax CUE25
Rating:
Order code:
Serial no.:
CUE25-A
xxx
4 x Alkaline
AAA 1.5V
139073-0000

Turbimax CUE25 / CUE26 Installation
Endress+Hauser 7
3 Installation
3.1 Quick installation guide
3.1.1 Measuring system
The measuring system comprises:
• Turbimax CUE25 / CUE26 turbidimeter
• Sample cuvette with light shield cap
• Indexing ring
3.2 Incoming acceptance, transport, storage
• Make sure the packaging is undamaged!
Inform the supplier about damage to the packaging. Keep the damaged packaging until the matter
has been settled.
• Make sure the contents are undamaged!
Inform the supplier about damage to the delivery contents. Keep the damaged products until the
matter has been settled.
• Check that the scope of delivery is complete and agrees with your order and the shipping
documents.
• The packaging material used to store or to transport the product must provide shock protection
and humidity protection. The original packaging offers the best protection. Also, keep to the
approved ambient conditions (see "Technical data").
• If you have any questions, please contact your supplier or your sales center responsible.
a0004364
Fig. 2: Turbimax CUE25 system (example)
1
2
3
Black light shield
Indexing ring
Sample cuvette
4
5
6
Optical well
Display
Touch pad
1
2
3
v
4
5
6

Installation Turbimax CUE25 / CUE26
8Endress+Hauser
3.3 Installation conditions
a0004367
Fig. 3: Dimensions CUE25 / CUE26
a0004368
Fig. 4: Dimensions carry case
70 (2.75)
165 (6.50)
48 (1.88)
mm (inch)
250 (10)
216 (8.50)
mm (inch)

Turbimax CUE25 / CUE26 Installation
Endress+Hauser 9
3.4 Installation instructions
The Turbimax is supplied with 4 AAA alkaline batteries. You need to install the batteries before you
can use the instrument.
To install the batteries, proceed as follows:
1. Place the instrument upside down on a soft surface.
2. Remove the two screws (pos. 1) securing the battery cover (pos. 2). Lift the cover off.
3. Place the supplied four AAA alkaline batteries (pos. 3) into the battery compartment (pos. 4)
ensuring the correct polarity.
4. Replace the battery cover and fasten the two screws carefully to ensure a watertight seal.
a0003818
Fig. 5: Detailed view of the battery compartment
3.5 Post-installation check
Check that the battery cover is correctly placed and fastened to ensure the watertight seal of the
instrument.
1
2
3
4

Operation Turbimax CUE25 / CUE26
10 Endress+Hauser
4Operation
4.1 Display and operating elements
a0003589
Abb. 6: Display
1 Icon indicating calibration mode
2 Icon indicating error conditions
3 Icon indicating low battery
4 Display of turbidity levels and user guidance in calibration routine
4.2 Key assignment
a0003588
Fig. 7: Operating elements
1 key used to turn the Turbimax on or off
2VWkeys used to set numerical values and to scroll through the list
3Fkey used to index a sample when pressed and held and to start a reading or calibration when released
4Ïkey used to enter or exit calibration mode
CAL
NTU
FNU
8.8.8.8
ERR
12 3
4
1
2
4
3
E
CAL