TURTLE
TOUGH
®
2
Contents
Safety Precautions
3
Qualification and training of personnel
4
Safe operation
4
Installation, maintenance and inspection
5
Impermissible modes of operation
5
Unauthorised modification
5
Chemicals
5
Introduction
6
Specifications
7
Body plastics
7
Reference materials
7
Dimensions
8
Immersion ¾”x ¾” sensor
8
Immersion ¾”x 1” sensor
8
Twistlock 1” sensor
9
Inline ¾” sensor
9
Installaltion
10
Site selection
10
Unpacking
10
Mounting
10
Installation recommendations
11
Choosing the correct waterproofing option
13
Inline use
13
Immersion use
13
Submersible use
14
Wiring
16
Calibration
17
pH calibration
17
ORP calibration
17
Troubleshooting
18
Raw mV display
18
Common thermal related issues
18
Common offset type issues
18
pH buffer accuracy and stability issues
18
pH buffer during calibration
19
Temperature effects on pH reading
19
Sensor Care and Maintenance
20
Storage
20
Maintenance free
21
Cleaning
21
Cleaning of reference junction in presence of oils and fats
21
Cleaning of pH glass in presence of oils and fats
21
Removing silicate contamination
22
How often do I need to clean and calibrate?
22
General guideline
22
How do I determine the calibration frequency?
23
Conditioning for calibration
23
Sensor selection for individual process lines
23
Avoiding thermal shock
23
Accesories and Spares
24
Cleaning kit (optional)
24
Interfacing hardware, plugs and lead connectors
25
Installation hardware fittings
27
Warranty
29
Product warranty
29
Sensor warranty
29
Shelf life warranty
29
Damage to internal electronics
29
Damage to cables and connectors
30
Return Goods
31
Support
32
