Instruction Manual
& 
HI 983303, HI 983304, HI983306
HI 983307, HI983308
On-line, Waterproof EC-TDS meters with Alarm
w w w . h a n n a i n s t . c o m
Dear Customer,
Thank you for choosing a Hanna product. This manual will provide you with the necessary information for correct operation of the meter. Please read it carefully before using the meter. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com.
These instruments are in compliance with the 
directives.
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it carefully. If any damage has occurred during shipment, immediately notify your Dealer or the nearest
Hanna Customer Service Center.
The meters are supplied with:
•Conductivity probe (fixed):
HI 7631/2 for HI 983304
HI 7632/2 for HI 983307 and HI 983308
HI 7634/2 for HI 983303 and HI 983306
•Calibration screwdriver
•12 Vdc power adapter and instructions
Note: Conserve all packing material until the instrument has been observed to function correctly. Any defective item must be returned in its original packing.
FUNCTIONAL DESCRIPTION
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5. |
Power supply connector |
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1. |
Molded eye |
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2. |
Alarm LED |
6. |
Calibration trimmer |
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3. |
Probe (fixed) |
7. |
Liquid Crystal Display |
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4. |
12 Vdc power adapter |
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WARRANTY
These meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The probes are warranted for a period of six months. This warranty is limited to repair or replacement free of charge.
Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered.
If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection.
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner.
Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.
GENERAL DESCRIPTION
These instruments are specially designed to meet the needs of simple continuous monitoring of conductivity or TDS.
The housing has been completely sealed against vapors and humidity with IP54 rating.
You can simply hang the meter right above the sample to be tested for continuous measurement.
All the meters come with a probe that compensates for the temperature variation automatically. The probe is easy to clean and requires little maintenance.
You can even select your own setpoint and be alerted of an abnormal situation with a flashing LED alarm.
Measurements are highly accurate and the meters can be calibrated at one point.
You no longer need to worry about battery changes either: the unit runs without interruption on 12 VDC power supply.
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SPECIFICATIONS |
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HI 983303 |
Range |
0 to 1990 µS/cm |
Resolution |
10 µS/cm |
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Setpoint |
200 to 1600 µS/cm |
Hysteresis |
+100 µS/cm over setpoint |
Alarm |
LED blinks when the EC value is |
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100 µS/cm higher than setpoint |
Probe |
HI 7634/2 (fixed) |
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HI 983304 |
Range |
0.00 to 19.99 µS/cm |
Resolution |
0.01 µS/cm |
Setpoint |
1.00 to 5.00 µS/cm |
Hysteresis |
+1.00 µS/cm over setpoint |
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Alarm |
LED blinks when the EC value is |
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1.00 µS/cm higher than setpoint |
Probe |
HI 7631/2 (fixed) |
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HI 983306 |
Range |
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0 to 1990 ppm |
Resolution |
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0 ppm |
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TDS Factor |
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0.5 |
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Setpoint |
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200 to 1600 ppm |
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Hysteresis |
±100 ppm around setpoint |
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Alarm |
LED blinks when the TDS value is |
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outside hysteresis range |
Probe |
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HI 7634/2 (fixed) |
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HI 983307 |
Range |
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0.00 to 9.99 mS/cm |
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Resolution |
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0.01 mS/cm |
Setpoint |
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0.70 to 3.50 mS/cm |
Hysteresis |
±0.20 mS/cm around setpoint |
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Alarm |
LED blinks when the EC value is |
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outside hysteresis range |
Probe |
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HI7632/2 (fixed) |
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HI 983308 |
Range |
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0.00 to 9.99 ppt |
Resolution |
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0.01 ppt |
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TDS Facto |
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0.5 |
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Setpoint |
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0.70 to 3.50 ppt |
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Hysteresis |
±0.20 around setpoint |
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Alarm |
LED blinks when the EC value is |
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outside hysteresis range |
Probe |
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HI 7632/2 (fixed) |
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COMMON SPECIFICATIONS |
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Accuracy (@ 25°C/77°F) |
±2% f.s. |
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Typical EMC Deviation |
±2% f.s. |
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Temperature |
Automatic, 5 to 50°C (41 to 122°F) |
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Compensation |
with ß=2.4% (HI 983304) or |
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ß=2% (HI 983303/6/7/8) |
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Calibration |
Manual with one trimmer |
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Casing |
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IP54 |
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Power Supply |
12 Vdc adapter (included) |
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Dimensions |
86 x 110 x 43 mm (3.4 x 4.3 x 1.7’’) |
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Weight |
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215 g (7.6 oz.) |
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