Hach SP-510, Instrument Manual

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9
SPECIFICATIONS
GENERAL SPECIFICATIONS
Hard/Soft Display: Two LEDS with one indicating hard water and the second
one indicating soft water
Time Delay: A soft-to-hard water alarm transition requires two successive
readings above the trip point. A hard-to-soft water alarm clearing transition
requires one reading below the trip point.
Trip Points:
1.0, 2.0, 5.0, 10.0, 20.0, 50.0, and 100.0 mg/L hardness measured as CaCO
3
Reagents Required: Buffer and indicator for the desired trip point
Reagent Bottle Volume: 500 mL
Reagent Shelf Life: 1 year
Reagent Consumption Rate: 500 mL of each reagent every two months
Sampling Rate:
New sample every 1.9 minutes ± 5% at 60 Hz; new sample every 2.3 minutes
± 5% at 50 Hz
Controls: On/Off Switch, ALARM OFF, ZERO CAL, HARD CAL
Service Requirements:
Restandardization every 2 months. Replace pump tubes every 6 months.
Trip Point Buffer Cat. No. Indicator Cat. No.
1 mg/L 27685-49 27690-49
2 mg/L 27685-49 27691-49
5 mg/L 27685-49 27692-49
10 mg/L 27686-49 27692-49
20 mg/L 27687-49 27692-49
50 mg/L 27688-49 27692-49
100 mg/L 27689-49 27692-49