Hach NA5600 sc Na+, Installation Manual

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Table 1 General specifications (continued)
Specification Details
Fittings Sample line and sample bypass drain: 6-mm OD push-to-connect fitting for plastic
tubing
Chemical and case drains: 7/16-in. ID slip-on fitting for soft plastic tubing
Certifications
CE-compliant, CB, cETLus, TR CU-compliant, RCM, KC
Table 2 Sample requirements
Specification Details
Sample pressure 0.2 to 6 bar (3 to 87 psi)
Sample flow rate 100 to 150 mL/minute (6 to 9 L/hour)
Sample temperature 5 to 45 °C (41 to 113 °F)
Sample pH Analyzers without cationic pump: 6 to 10 pH
Analyzers with cationic pump: 2 to 10 pH
Sample acidity (equivalent CaCO
3
) Analyzers without cationic pump: Less than 50 ppm
Analyzers with cationic pump: Less than 250 ppm
Suspended solids in sample Less than 2 NTU, no oil, no grease
Table 3 Measurement specifications
Specification Details
Electrode type Sodium ISE (ion specific electrode) electrode and reference electrode with KCl
electrolyte
Measurement range Analyzers without cationic pump: 0.01 to 10,000 ppb
Analyzers with cationic pump: 0.01 ppb to 200 ppm
Accuracy Analyzers without cationic pump:
• 0.01 ppb to 2 ppb: ± 0.1 ppb
• 2 ppb to 10,000 ppb: ± 5%
Analyzers with cationic pump:
• 0.01 ppb to 40 ppb: ± 2 ppb
• 40 ppb to 200 ppm: ± 5%
Precision/Repeatability Less than 0.02 ppb or 1.5% (the larger value) with ± 10 °C (50 °F) sample
difference
Interference phosphate 10 ppm Measurement interference is less than 0.1 ppb
Response time Refer to Table 4 .
Stabilization time Startup: 2 hours; Sample temperature variation: 10 minutes from 15 to 30 °C
(59 to 86 °F)
Use the optional heat exchanger when the temperature difference between
samples is more than 15 °C (27 °F).
Calibration time 50 minutes (typical)
Calibration Automatic calibration: known addition method; Manual calibration: 1 or 2 points
Minimum detection limit 0.01 ppb
4 English