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EC/TDS/Salinity Benchtop Meters
® edge Dedicated Conductivity/TDS/Salinity Meter (HI2003-02)
Hanna Instruments is proud to introduce the world’s most innovative Conductivity/TDS/Salinity meter: edge®.
edge®’s groundbreaking design is the culmination of Hanna’s vision, design capabilities, integrated production and world-class R&D. edge® is a single meter that can measure Conductivity, TDS and Salinity and is incredibly easy to use.
Four ring conductivity Probe
edge® EC/TDS/Salinity utilizes four ring conductivity probe technology that allows the user to measure samples from very low conductivity to very high conductivity. edge® is an auto-ranging meter that will select the appropriate range for the measurement to ensure the highest accuracy available.
Capacitive Touch
edge® features a capacitive touch keypad that gives a distinctive, modern look. The keypad is sensitive enough to be used with laboratory gloves and has a fast response. Since the keypad is part of the screen, there are no buttons to get clogged with sample residue.
Large Easy to Read LCD
edge® features a 5.5” LCD display that you can clearly view from over 5 meters away. The large display and it’s wide 150° viewing angle provide one of the easiest to read LCD’s in the industry.
EC HI2003 includes: HI763100 Conductivity probe, 4 sachets of 1413 µS/cm conductivity standard, 2 sachets of 5000 µS/cm conductivity standard, 2 sachets of 12880 µS/cm conductivity standard, 2 sachets general purpose rinse solution, benchtop docking station with electrode holder, wall-mount cradle, USB cable, 5 VDC power adapter, quality certificate and instruction manual.
| SKU | HI2003-02 |
|---|---|
| Product Name | edge® Dedicated Conductivity/TDS/Salinity Meter – HI2003 |
| Quote Required | Yes |
| EC Range | 0.00 to 29.99 μS/cm, 30.0 to 299.9 μS/cm, 300 to 2999 μS/cm, 3.00 to 29.99 mS/cm, 30.0 to 200.0 mS/cm, up to 500.0 mS/cm (absolute EC)** |
| EC Resolution | 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm |
| EC Accuracy | ±1% of reading (±0.05 μS/cm or 1 digit, whichever is greater) |
| EC Calibration | 1 point offset calibration (0.00 μS/cm in air), 1 point slope calibration in EC standard 84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm and 111.8 mS/cm |
| TDS Range | 0.00 to 14.99 ppm (mg/L), 15.0 to 149.9 ppm (mg/L), 150 to 1499 ppm (mg/L), 1.50 to 14.99 g/L, 15.0 to 100.0 g/L, up to 400.0 g/L (absolute TDS)** |
| TDS Resolution | 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L |
| TDS Accuracy | ±1% of reading (±0.03 ppm or 1 digit, whichever is greater) |
| TDS Calibration | through EC calibration |
| EC/TDS Temperature Compensation | Automatic -5 to 100º C (23 to 212º F); NoTC – none absolute conductivity. |
| Temperature Correction Coefficient | 0.00 to 6.00% / ºC (for EC and TDS only). Default value is 1.90% / ºC |
| EC to TDS Conversion Factor | 0.40 to 0.80 (default value is 0.50) |
| Salinity (% NaCl) Range | 0.0 to 400.0% NaCl |
| Salinity (% NaCl) Resolution | 0.1% NaCl |
| Salinity (% NaCl) Accuracy | ±1% of reading |
| Salinity (% NaCl) Calibration | Single point with HI 7037L Standard |
| Salinity (PSU) Range | 2.00 to 42.00 PSU |
| Salinity (PSU) Resolution | 0.01 PSU |
| Salinity (PSU) Accuracy | ±1% of reading |
| Salinity Range | 0.0 to 80.0 g/L* |
| Salinity Resolution (ppt) | 0.01 g/L |
| Salinity Accuracy (ppt) | ±1% of reading |
| Temperature Range | -20.0 to 120.0 ºC ; -4.0 to 248.0 °F** |
| Temperature Resolution | 0.1 ºC; 0.1 ºF |
| Temperature Accuracy | ±0.5 ºC; ±0.9 ºF |
| EC/TDS Probe | HI763100 EC/temperature probe |
| Logging Type | Manual Log on Demand (Max. 200 logs); Manual Log on Stability (Max. 200 logs); Interval Logging 100 lots, Max. 600 logs/lot |
| Logging Memory | Up to 1000 records |
| Connectivity | 1 micro USB port for charging and PC connectivity, 1 USB port for storage |
| GLP | yes |
| Battery Type/Life | Built-in rechargeable battery with up to 8 hours of continuous use |
| Power Supply | 5 VDC adapter (included) |
| Environment | 0 to 50°C (32 to 122°F), RH max 95% non-condensing |
| Dimensions | 202 x 140 x 12.7mm (8” x 5.5” x 0.5”) |
| Weight | 250 g (8.82 oz) |
| Ordering Information | edge®EC HI2003 includes |
| Notes | * Not available in basic mode |
Advanced pH/ORP Benchtop Meter (HI6221-02)
Measure pH/mV (pH) or mV/Rel. mV (ORP) with Temperature
HI6221 is a streamlined benchtop meter with a large touch screen display, comprised of a housing and an integrated pH / ORP measurement module.
Compact and easy to operate, the benchtop meter is delivered with Hanna Instruments HI1131B double junction combination pH electrode, together with HI7662-TW temperature probe.
HI1131B is a glass body, double junction, refillable pH electrode with an indicating sensor made of High Temperature (HT) glass. The double junction reference and HT glass design allow the HI1131B to be used in a wide variety of applications including samples with metals and elevated temperatures. Probe connection to the unit is secured through a galvanically isolated BNC connection. HI7662-TW stainless steel temperature probe allows the meter to automatically temperature compensate (ATC) pH measurements.
This system responds to a complex range of measurement and monitoring requirements, providing accuracy, reproducibility, and reliability. HI6221 is supplied with an electrode holder that has a flexible arm. The holder can be mounted quickly and provides secure support for electrodes while taking measurements in sample containers.
User interface
- 7-inch capacitive touch screen with multi-touch support
- Capacitive touch back, home and system menu keys
- User-friendly icons and symbols allow users to easily navigate and interpret the instrument functions.
- The user can select between five different views:
- Basic measurement configuration
- Simple GLP with calibration information
- Full GLP with electrode status and calibration point details
- Live updated, interactive graph
- Tabulated data with date, time, and notes
Measurement
- Measure pH/mV (pH) or mV/Rel.mV (ORP) with temperature
- Application-specific profiles allow quick and direct measurement without the need to update the sensor and system settings
- Active log during measurement o Measurement stability indicator (using the Stability Criteria setting)
- Reading modes: direct and direct/autohold
- Temperature compensation can be Automatic (using temperature probe) or set manually
- Audible and/or alarm messages for measurements outside of predefined limits
- Galvanic isolation for pH/ORP measurement
Calibration
- 5-point pH calibration with automatic recognition for standard buffers (Hanna and NIST buffers)
- Choice of standard or custom buffers for calibration
- Non-volatile memory saves data and settings
Logging
- Data log collection of at least 1, 000, 000 data points (with time and date stamp)
- Logging types: manual, automatic, autohold
- Sample ID for manual and Autohold data
Connectivity features & services
- Transfer logged data to a USB thumb drive
- Log files that include measurements and calibration data (as .csv file)
- FTP and email for log export via Ethernet and Wi-Fi connection
- USB type A for USB stick, keyboard, and printer
- USB type C for USB stick and PC connection
Help section for meter guidance
- Video support presentation of main functionalities
Customize calibration options such as Last Calibration, Automatic, semi-automtic or manual calibration, First Calibration Point, daily or periodic Calibration Reminder, and buffer Groups.
The benchtop unit has a 7-inch color display with 800 x 480p resolution. The capacitive, multi-touch screen supports video playback and data plotting.
This key will enter the system menu where User accounts, System Settings, and Logging can be configured. The Help menu is also accessed on the system menu screen.
Opens sensor setup parameters.
When Direct/Autohold is selected, measurement reading is held on display when measurement stability is reached. This option removes the subjective nature of stability as a measurement that has not reached equilibrium will not be used.
When not selected, sample measurements are displayed continuously.
HI6221 is supplied with:
- HI1131B pH electrode; HI7662-TW temperature probe
- pH calibration starter kit consisting of:
- pH 4.01 buffer solution sachet (2 pcs.)
- pH 7.01 buffer solution sachet (4 pcs.)
- pH 10.01 buffer solution sachet (2 pcs.)
- HI700601 electrode cleaning solution sachet (2 pcs.)
- HI7082 3.5M KCl electrolyte solution (30 mL)
- HI764060 electrode holder
- Capillary pipette
- 24 VDC power adapter
- USB-C to USB-A cable
- Quick reference guide with instrument quality certificate.
| SKU | HI6221-02 |
| Name | Advanced pH/ORP Benchtop Meter- HI6221-02 |
| pH Range | -2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to |
| pH Range | 20.000 pH |
| pH Resolution | 0.1 pH; 0.01 pH; 0.001 pH |
| pH Accuracy | ?0.1 pH; ?0.01 pH; ?0.002 pH (?1 last signi?cant digit) |
| mV Range | ?2000.0 mV |
| mV Resolution | 1 mV; 0.1 mV |
| mV Accuracy | ?0.2 mV ?1 last signi?cant digit |
| Temperature Range | -20.0 to 120.0 ?C; -4.0 to 248.0 ?F; 253.0 to 393.0 K |
| Temperature Resolution | 0.1 ?C / 0.1 ?F / 0.1 K |
| Temperature Accuracy | ?0.2 ?C / ?0.4 ?F / ?0.2 K |
| Relative mV o?set range | ?2000.0 mV |
| pH Calibration Calibration points | Up to 5 |
| pH Calibration Type | Automatic; Semiautomatic; Manual |
| pH Calibration Standard bu?ers | Hanna and NIST |
| pH Calibration Standard bu?ers | pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45 |
| pH Calibration Custom bu?ers | Up to 5 |
| pH Calibration Custom group | Up to 5 |
| pH Calibration 1st calibration point | O?set or Points (user setting) |
| pH Calibration Reminder | Disabled |
| pH Calibration Reminder | Daily: 0 m in. to 23 hours and 59 m in. |
| pH Calibration Reminder | Periodic: 1 m in. to 500 days, 23 hours and 59 m in. |
| Temperature Compensation | Automatic or Manual |
| Reading Modes | Direct; Direct/Autohold |
| Reading Stability criteria | Accurate; Medium; Fast |
| Reading Isopotential | 7.000 or 4.010 |
| Reading Sampling rate | 1000 ms |
| pH Views Basic | Measurement (pH, mV, Rel.mV, Abs.mV) |
| pH Views Basic | Temperature, Stability status |
| pH Views Simple GLP | Basic view information |
| pH Views Simple GLP | Last calibration date, electrode o?set, average slope, and electrode condition |
| pH Views Full GLP | Simple GLP information and calibration point details |
| pH Views Table | Measurements updated every second are displayed in table |
| pH Views Graph (Plot) | pH (or mV) and temperature versus time graph can be panned or zoomed (pinch-to-zoom technology) |
| Logging Type | Automatic, Manual, Autohold |
| Logging Number of records | 50 000 maximum per ?le / Stores at least 1 000 000 data points per user |
| Logging Automatic interval | 1, 2, 5, 10, 30 seconds |
| Logging Automatic interval | 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes |
| Logging Sample ID | Incremental mode |
| Logging Export option | .csv ?le format |
| Logging Export option | Users Up to 9 users and adm in. account (default): |
| Connectivity USB-A | 2 ports for keyboard input or USB thumb drive |
| Connectivity USB-C | 1 port for PC connectivity and USB-C type thumb drive |
| Connectivity Wi-Fi & Ethernet | FTP / Web server Log transfer and download Email |
| Connectivity RS232 | Connecting peripherals |
| Power supply | DC adapter 100-240AC to 24VDC 2.5A |
| Environment | 0 – 50 ?C / 32 – 122 ?F / 273 – 323 K maximum 95% RH non-condensing |
| Dimensions | 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 “) |
| Weight | Approximately 1.2 kg (2.65 lbs.) |
Advanced Conductivity Benchtop Meter- Resistivity/TDS/Salinity/Temperature (HI6321-02)
HI6321 is a streamlined Conductivity/Resistivity/TDS/Salinity/Temperature benchtop meter with a large touch screen display, comprised of a housing and an integrated conductivity measurement module.
Compact and easy to operate, the HI6321 includes Hanna’s HI7631233 four-ring conductivity/ resistivity/TDS/salinity probe.
Recommended for a wide range of industrial process water applications, HI7631233 provides stable measurements over a wide measurement range and does not require frequent calibrations. An integral temperature sensor measures the process temperature and adjusts the measured conductivity to a reference temperature by applying specialized compensation algorithms:
- Linear: appropriate when it is assumed that the temperature coefficient of variation has the same value for all measurement temperatures.
- Standard: appropriate for high-purity water measurements and documented in ASTM Standard D5391-14. This setting should be used for >1Mohm.cm resistivity measurements.
- Natural: appropriate for natural ground, well, or surface water (or water with similar composition) in accordance with ISO7888 standard.
The result is reliable electrolytic conductivity (EC), TDS (Total Dissolved Solids), resistivity, or Seawater Salinity in percent, psu, or ppt units.
TDS is a calculated value based on the conductivity of the solution (TDS = factor x EC25). A TDS factor is a conversion factor used to change an EC measurement to a ppm measurement.
Sal psu: The practical salinity of seawater relates the ratio of electrical conductivity of a normal seawater sample at 15 ℃ and 1 atmosphere to a potassium chloride solution (KCl) with a mass of 32.4356 g/Kg water at the same temperature and pressure. Under these conditions the ratio is equal to 1 and S=35. The practical salinity scale may be applied to values 0 through 42.00 psu at temperatures between 0 to 35 ℃.
Sal ppt: measurements expressed in ppt are based on the Natural Seawater Scale that extends from 0.00 to 80.00 g/L and covers 10 to 31 ℃ temperature range. It determines the salinity based upon a conductivity ratio of sample to standard seawater at 15 ℃ and an approximate salinity value of 35 in seawater.
Sal %: in this scale 100% salinity is equivalent to roughly 10% solids.
- 7-inch capacitive touch screen with multi-touch support
- Capacitive touch back, home and system menu keys
- User-friendly icons and symbols allow users to easily navigate and interpret the instrument functions.
The user can select between five different views:
- Basic measurement configuration
- Simple GLP with calibration information
- Full GLP with electrode status and calibration point details
- Live updated, interactive graph
- Tabulated data with date, time, and notes
- Measure µS/cm, mS/cm (Conductivity); ω·cm, kω·cm, Mω·cm (Resistivity); ppm, ppt (TDS); ppt, PSU,
% (Salinity) with temperature - Application-specific profiles allow quick and direct measurement without the need to update the sensor
and system settings - Active log during measurement o Measurement stability indicator (using the Stability Criteria setting)
- Reading modes: direct and direct/autohold
- Temperature compensation can be Automatic or set manually
- Audible and/or alarm messages for measurements outside of predefined limits
- Galvanic isolation for conductivity measurement
- Standard single point salinity calibration in 100% salinity standard, with the reading salinity scale set to %
- Standard single or multiple conductivity calibration with standards
- Non-volatile memory saves data and settings
- Data log collection of at least 1, 000, 000 data points (with time and date stamp)
- Logging types: manual, automatic, autohold
- Sample ID for manual and Autohold data
- Transfer logged data to a USB thumb drive
- Log files that include measurements and calibration data (as .csv file)
- FTP and email for log export via Ethernet and Wi-Fi connection o USB type A for USB stick,
keyboard, and printer - USB type C for USB stick and PC connection
| SKU | HI6321 |
| Name | Advanced Conductivity Benchtop Meter – HI6321 |
| Conductivity 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 |
| Conductivity 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 |
| Conductivity Accuracy | ?1 % of reading (?0.01 µS/cm) |
| Resistivity Range | 1.0 to 99.9 ??cm; 100 to 999 ??cm; 1.00 to 9.99 K??cm; 10.0 to 99.9 K??cm; 100 to 999 K??cm; 1.00 to 9.99 M??cm; 10.0 to 100.0 M??cm |
| Resistivity Resolution | 0.1 ??cm; 1 ??cm; 0.01 K??cm; 0.1 K??cm; 1 K??cm; 0.01 M??cm; 0.1 M??cm |
| Resistivity Accuracy | ?1 % of reading (?1 ??cm) |
| Total Dissolved Solids (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) |
| Total Dissolved Solids (TDS) Resolution | 0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt |
| Total Dissolved Solids (TDS) Accuracy | ?1 % of reading (?0.01 ppm) |
| Salinity Range | 0.00 to 42.00 PSU – Practical Scale 0.00 to 80.00 ppt – Natural Sea Water 0.0 to 400.0 % – Percent Scale |
| Salinity Resolution | 0.01 for Practical Scale / Natural Sea Water 0.1 % for Percent Scale |
| Salinity Accuracy | ?1 % of reading |
| Temperature Range | ?20.0 to 120.0 ?C ?4.0 to 248.0 ?F 253.0 to 393.0 K |
| Temperature Resolution | 0.1 ?C; 0.1 ?F; 0.1 K |
| Temperature Accuracy | ?0.2 ?C; ?0.4 ?F; ?0.2 K |
| Conductivity Calibration points | Auto standard recognition / User standard, Single Point / Multi Point calibration |
| Conductivity Calibration Standard solutions | 84.00 µS/cm, 1.413 mS/cm, 5.000 mS/cm, 12.88 mS/cm, 80.00 mS/cm, 111.8 mS/cm |
| Conductivity Calibration Reminder | Disabled Daily: 0 m in. to 23 hours and 59 m in. Periodic: 1 m in. to 500 days, 23 hours and 59 m in. |
| Salinity Calibration | 1 point for Percent Scale |
| Temperature Compensation | Automatic or Manual |
| Reading Modes | Direct Direct/Autohold |
| Reading Stability criteria | Accurate Medium Fast |
| Reading Sampling | rate 1000 ms |
| EC Views Basic | Measurement (EC, Resistivity, TDS, Salinity, Temperature) Stability status |
| EC Views Simple GLP | Basic view information Last calibration date, o?set |
| EC Views Full GLP | Simple GLP information and calibration point details |
| EC Views Table | Measurements updated every second are displayed in table |
| EC Views Graph (Plot) | Measurement versus time graph can be panned or zoomed (pinch-to-zoom technology) |
| Logging Type | Automatic, Manual, Autohold |
| Logging Number of records | 50 000 maximum per ?le Stores at least 1 000 000 data points per user |
| Logging Automatic interval | 1, 2, 5, 10, 30 seconds 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes |
| Logging Sample ID | Incremental mode |
| Logging Export option | .csv ?le format |
| Users | Up to 9 users and the default administrator account |
| Connectivity USB-A | 2 ports for keyboard input or USB thumb drive |
| Connectivity USB-C | 1 port for PC connectivity and USB-C type thumb drive |
| Connectivity Wi-Fi & Ethernet | FTP Web server Log transfer and download Email |
| Connectivity RS232 | Connecting peripherals |
| Power supply | DC adapter 100-240AC to 24VDC 2.5A |
| Environment | 0 – 50 ?C / 32 – 122 ?F / 273 – 323 K maximum 95% RH non-condensing |
| Dimensions | 205 x 160 x 77 mm (8.0 x 6.2 x 3.0 “) |
| Weight | Approximately 1.2 kg (26.5 lbs.) |
