HI-5521-02 RESEARCH GRADE PH/ORP/EC/TDS/RESISTIVITY/SALINITY BENCH METER
HI-5521-02
HI-5521 is an advanced, two channel research grade benchtop pH/ORP and EC/TDS/Salinity/Resistivity meter that is completely customisable with a large colour LCD, capacitive touch keys, and USB port for computer connectivity.
HI-5521 is an ideal research-grade instrument with large, easy read graphic display and soft touch keypad.
Up to four conductivity calibration points can be used to increase measurement accuracy:
- One fixed-point salinity calibration on the percent scale
- Three methods for calculating seawater
- Practical scale
- Natural seawater scale
- Percent scale
Customise to your application
The display is customisable and can display two channels simultaneously. Measurements are given in various modes: basic measurement, with or without GLP information, graph or logging data. Display colours are also selectable.
Up to 10 profiles (5 for each channel) can be saved and recalled for both meters eliminating the need to reconfigure each time a different electrode is used. User definable configurations include:
- Temperature compensation modes
- Temperature units
- Isopotential points for pH
Key features
Precision analysis
- EC specific applications: USP <645> method; salinity in seawater; TDS
- Five point pH calibration
- Multiple input channels: pH/ORP and EC/TDS/Resistivity/Salinity
pH CalCheck
- CalCheck for pH alerts users of calibration status and eliminates erroneous readings due to dirty or faulty pH electrodes or contaminated buffer solutions
- After calibration, electrode condition is evaluated and overall status of pH electrode is indicated
- To avoid taking readings with old calibrations, the instrument automatically reminds the user when calibration has expired
EC USP Mode
- HI-5521 can use EC probes for conductivity measurements required to prepare water for injection (WFI) according to USP <645>
- On-screen instructions explain how to perform each stage and automatically check temperature, conductivity and stability are within USP limits
- Comprehensive results displayed on a single screen at end of the test
- Save up to 200 reports for future recall
User friendly
- Large log memory with different logging methods
- Multi language support and contextual help through dedicated HELP key
- Clear tutorial messaging on-screen - available from any mode
- Capacitive touch keypad
- New and improved backlit display
Supplied with
- HI-76312 EC/TDS probe
- HI-1131B pH electrode
- HI-7662-T temperature probe
- HI-70004 pH 4.01 buffer sachet
- HI-70007 pH 7.01 buffer sachet
- HI-700601 electrode cleaning solution sachet
- HI-7082 3.5M KCL electrolyte solution (30mL)
- HI-76404N electrode holder
- 12VDC adapter
- Instructions
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| pH | ||
| Range | -2.0 to 20.0 pH; -2.00 to 20.00; -2.000 to 20.000 pH | |
| Resolution | 0.1 pH; 0.01 pH; 0.001 pH | |
| Accuracy | ±0.1 pH; ±0.01 pH; ±0.002 pH ± 1 LSD | |
| Calibration | automatic, up to five-point calibration, eight standard buffers available, and five custom buffers | |
| Temperature Compensation | automatic or manual from -20.0 to 120.0°C | |
| mV - Range | ±2000 mV | |
| Resolution | 0.1 mV | |
| Accuracy | ±0.2 mV ± 1 LSD | |
| Temperature - Range | -20.0 to 120.0°C | |
| Resolution | 0.1°C | |
| Accuracy | ±0.2°C (without probe) | |
| EC - Range | 0.000 to 9.999 µS/cm; 10.00 to 99.99 µS/cm; 100.0 to 999.9 µS/cm; 1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 1000.0 mS/cm absolute EC | |
| Resolution | 0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm | |
| Accuracy | ±1% of reading (±0.01µS/cm) | |
| Cell Constant | 0.0500 to 200.00 | |
| Cell Type | 4 cells | |
| Calibration | automatic standard recognition, user standard single point/multi-point calibration | |
| Calibration Reminder | yes | |
| Temperature Coefficient | 0.00 to 10.00%/°C | |
| Temperature Compensation | disabled, linear and non-linear (natural water) | |
| Reference Temperature | 5.0 to 30.0°C | |
| Profiles | up to 10, 5 each channel | |
| USP Compliant | yes | |
| TDS - Range | 0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt actual TDS* (with 1.00 factor) | |
| Resolution | 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt | |
| Accuracy | ±1% of reading (±0.01 ppm) | |
| Resistivity - Range | 1.0 to 99.9 Ω•cm; 100 to 999 Ω•cm; 1.00 to 9.99 kΩ•cm; 10.0 to 99.9 kΩ•cm; 100 to 999 kΩ•cm; 1.00 to 9.99 MΩ•cm; 10.0 to 100.0 MΩ•cm | |
| Resolution | 0.1 Ω•cm; 1 Ω•cm; 0.01 kΩ•cm; 0.1 kΩ•cm; 1 kΩ•cm; 0.01 MΩ•cm; 0.1 MΩ•cm | |
| Accuracy | ±2% of reading (±1 Ω•cm) | |
| Salinity - Range | practical scale: 0.00 to 42.00 psu; natural sea water scale: 0.00 to 80.00 ppt; percent scale: 0.0 to 400.0% | |
| Resolution | 0.01 for practical scale/natural sea water scale; 0.1% for percent scale | |
| Accuracy | ±1% of reading | |
| Calibration | percent scale—one-point (with HI-7037 standard); all others through EC | |
| Additional specifications: | ||
| pH electrode | HI-1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included) | |
| EC Probe | HI-76312 platinum, four-ring EC/TDS probe with and 1 m (3.3’) cable (included) | |
| Temperature Probe | HI-7662-T stainless steel temperature probe with 1 m (3.3’) cable (included) | |
| Input Channel(s) | 1 pH/ORP + 1 EC | |
| GLP | cell constant, reference temperature/coefficient, calibration points, cal time stamp, probe offset for conductivity | |
| Logging | Record: 100,000 data point storage/channel, up to 100 lots with max. 50,000 records/lot; interval: fourteen presets selectable between 1 second and max log time of 180 minutes; type: automatic, manual, AutoHOLD; additional: 200 records USP; 200 records incremental methods (HI-5522) | |
| PC Connectivity | USB | |
| Power Supply | 12 VDC Adapter (included) | |
| Environment | 0 to 50°C (32 to 122°F; 273 to 323K) RH max 95% non-condensing | |
| Dimensions | 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”) / 1.2 kg (2.64 lbs.) | |
Ordering information: HI5521-02 (230V) is supplied with HI-1131B pH electrode, HI-76312 EC/TDS probe, HI-7662-T temperature probe, pH 4.01 buffer solution sachet (2), pH 7.01 buffer solution sachet (4), pH 10.01 buffer solution sachet (2), HI-700601 electrode cleaning solution sachet (2), HI-7082 3.5M KCl electrolyte solution (30 mL), HI-76404W electrode holder, 12 VDC adapter, capillary dropper pipette, quality certificate, quick start guide and instruction manual.
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