Hach, EZ5005.XXXXXXXX, EZ5005 Total Hardness + Total / Free Alkalinity Analyzer
Catalog Number: EZ5005.XXXXXXXX
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| Alarm | 1 x malfunctioning, 4 x 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 | N.A. |
| Certifications | CE compliant / UL certified |
| Cycle Time | 20 - 30 minutes 40 minutes (+ Total Hardness Ca) |
| Demineralized Water | For rinsing |
| 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 |
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| Interferences |
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| Hardness: Some metal ions interfere by causing fading or indistinct end points or by stoichiometric consumption of EDTA. Suspended or colloidal organic matter also may interfere with the end point. Large amounts of color and turbidity interferes. Fats, oil, proteins, surfactants and tar. Alkalinity: 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. |
| 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 (alkalinity only); Calgamite EDTA titration with LED dipping probe (combined) |
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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 | Hardness, total; Akalinity, total; 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 | Total Hardness: 25 - 1000 mg/L CaCO 3 Alkalinity: 100 - 5000 mg/L CaCO 3 Optional: Total Hardness: 10 - 100 mg/L CaCO 3 Alkalinity: 10 - 500 mg/L CaCO 3 Total Hardness: 10 - 250 mg/L CaCO 3 Alkalinity: 25 - 1250 mg/L CaCO 3 Total Hardness: 25 - 500 mg/L CaCO 3 Alkalinity: 50 - 2500 mg/L CaCO 3 |
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| Range | TH: 25 - 1000 mg/L CaCO₃; Alk: 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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| What's included? | EZ5004 Total Hardness and Free/Total Alkalinity Analyzer, Instruction Manual, 1 x Double Bit Door Key, 1 x Mounting Brackets, 1 x pH Electrode, Routine S7 Connection, 1 x Photometer Probe, 3 x empty 2.5L Reagent Containers with Fittings (Buffer, Acid & Colour Solution) and 2 x empty 10L Reagents Containers with Fittings (EDTA & HCl Solution) |
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