Hach, EZ4003.XXXXXXXX, EZ4003 Free Alkalinity Analyzer
Catalog Number: EZ4003.XXXXXXXX
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| Alarm | 1x malfunctioning, 4x user-configurable, max. 24 VDC/0.5 A, potential free contacts |
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| Ambient Temperature | 10 - 30 °C ± 4 °C deviation (50 - 86 °F ± 7.2 °F deviation) at 5 - 95% relative humidity (non-condensing) |
| Analog Outputs | Active 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option) |
| Calibration | Automatic, 2-point; frequency freely programmable |
| Certifications | CE compliant / UL certified |
| Cycle Time | 10 - 15 minutes |
| Demineralized Water | For rinsing / dilution |
| Digital Outputs | Optional: Modbus (TCP/IP, RS485) |
| Dimensions (H x W x D) | 690 mm x 465 mm x 330 mm |
| Drain | Atmospheric pressure, vented, min. Ø 32 mm |
| Earth Connection | Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm² |
| Instrument Air | Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air |
| Interferences | Soaps, oily matter, suspended solids or precipitates may coat the glass electrode and cause a sluggish response. Allow additional time between titrant additions to let the electrode come to equilibrium or clean the electrodes occasionally. |
Unless otherwise stated, the minimum order amount is USD 1,000.
For orders below USD 1,000, an additional handling fee may apply, or we may arrange local delivery / local handover where available.
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| Lower Limit of Detection (LOD) | ≤ 10 mg/L |
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| Material | Hinged part: Thermoform ABS, door: PMMA Wall section: Galvanized steel, powder coated |
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| Measurement Method | Acid-base titration with hydrochloric acid |
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| Method Name | Titrimetric |
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| Number of sample streams | 1, 2, 4 or 8 |
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| Parameter | Alkalinity, free |
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| Power | 100 - 240 VAC, 50/60 Hz Max. power consumption: 120 VA |
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| Precision | Better than 2% full scale range for standard test solutions |
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| Protection Class | Protection class: Analyser cabinet: IP44 / Panel PC: IP65 |
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| Range | 100 - 5000 mg/L CaCO 3 Optional: 10 - 500 mg/L CaCO 3 25 - 1250 mg/L CaCO 3 50 - 2500 mg/L CaCO 3 Internal dispenser dilution (max. factor 100) |
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| Range | 100 - 5000 mg/L CaCO₃ |
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| Reagent Requirements | Keep between 10 - 30 °C (50 - 86 °F) |
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| Sample Flow Rate | 100 - 300 mL/min |
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| Sample Pressure | By external overflow vessel |
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| Sample Quality | Maximum particle size 100 µm, < 0.1 g/L; Turbidity < 50 NTU |
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| Sample Temperature | 10 - 30 °C (50 - 86 °F) |
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| Validation | Automatic; frequency freely programmable |
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| Warranty | 12 months |
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| Weight | 25 kg (55 lbs.) |
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