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3
1. PRELIMINARY EXAMINATION
Remove the instrument and accessories from the packaging and examine it carefully.
For further assistance, please contact your local Hanna Instruments office or email us at tech@hannainst.com.
Each instrument is supplied with:
• Mounting brackets
• Transparent cover
• 12 VDC power adapter
• Quick reference guide with instrument quality certificate
Note: Save all packing material until you are sure that the instrument works correctly. Any damaged or defective
item must be returned in its original packing material with the supplied accessories.
2. GENERAL SAFETY & INSTALLATION RECOMMENDATIONS
Procedures and instructions detailed in this manual may require special precautions to ensure personnel safety.
•
Electrical connection, installation, start‑up, operation and maintenance must be carried out
by specialized personnel only. The specialized personnel must have read and understood the
instructions in this manual and should adhere to them.
• User serviceable connections are clearly labeled on the back panel.
• Before powering the controller, verify wiring has been done properly.
• Always disconnect the instrument from power when making electrical connections.
• A clearly marked disconnect switch must be installed in the vicinity of the instrument to ensure
that the electrical circuit is completely de‑energized for service or maintenance.
3. GENERAL DESCRIPTION & INTENDED USE
Hanna Instruments
EC
designed to conveniently measure the electrolytic conductivity of a process stream.
BL9833XX-Y series configuration
XX
1 3
- 0
Y
(12 VDC)
Intended applications
Quality control of water produced from reverse osmosis, ion exchange, distillation processes, cooling towers;
process control of source water, rinse water, drinking water, boiler water, and of other industrial, agriculture‑
specific applications
Main Features
• Option to select manual or automatic dosing mode
• Dry contact dosing relay, active when the reading is above/below a programmable setpoint (model dependent)
• Programmable overdosing timer, stops dosing if setpoint is not reached within a specified time interval
• 4‑20 mA galvanic isolated output with external dosing disable contact
• Temperature compensated readings from 5 to 50 °C (41 to 122 °F)
• Internal fuse protected dosing contacts
• Large, clear LCD and LED operational indicator
• Splash‑resistant transparent cover
(BL9833XX‑0
only)
and
TDS
process conductivity mini controller series are compact panel mount units
15
17
18
- 1
(115 or 230 VAC)
Preliminary Examination
19
20
21
- 2
(115 or 230 VAC, 4‑20 mA output)
22
24
27
(BL9833XX‑2
only)
29
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