pH Meter
Laboratory Product > Water Quality
HI991001 Waterproof Portable pH/Temperature Meter
The HI991001 is a compact, waterproof, portable pH/temperature meter that is supplied complete including a rugged carrying case and a unique titanium body pH electrode that has a built-in temperature sensor.
The meter features a large, dual level LCD display for easy viewing of the pH, temperature, and status indicators.
The operation of the meter is simplified to two buttons.
The HI991001 has an exceptional long battery life of 1400 hours of continuous use.
- Automatic Temperature Compensation
- Automatic Two-Point Calibration
- Waterproof
HI991001 is supplied with :
- HI12963 pH probe with internal temperature sensor,
- HI70004 pH 4.01 buffer sachet (20 mL x1),
- HI70007 pH 7.01 buffer sachet (20 mL x1),
- HI700601 electrode cleaning solution sachet (2 x 20 mL),
- 100 mL beaker (1),
- calibration certificates for both meter and probe,
- batteries,
- instructions,
- and rugged thermoformed carrying case.
Accessories :
pH 4.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 6.86 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 7.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 10.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
Cleaning Solution for Salt Deposits (25 x 20 mL)
Electrode Storage Solution (500 mL)
pH 4.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 6.86 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 7.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
pH 10.01 Calibration Buffer Sachets (25 x 20 mL) with or without certificate
Cleaning Solution for Salt Deposits (25 x 20 mL)
Electrode Storage Solution (500 mL)
Conventional electrodes are normally single junction.
As depicted by the figure above, these electrodes have only a single junction between the internal refernce wire and the external solution.
Under adverse conditions, such as high pressure, high temperature, highly acidic or alkaline solutions, the positive flow of the electrolyte through the junction is often reversed resulting in the ingress of sample solution into the reference compartment.
If this is left unchecked, the reference electrode can become contaminated, leading to complete electrode failure.
Another potential problem with single junction electrodes is the clogging of the junction due to silver chloride (AgCl) precipitation.
Silver can be easily precipitate in samples that contain Tris buffer, sulfides or heavy metals.
When the electrolyte solution makes contact with the sample, some AgCl will precipitate on the external face of the junction.
The result is drifty readings obtained from the sensor.
Hanna’s double junction system, as the name implies, has two junctions, only one of which is in contact with the sample as shown in the figure.
Under adverse conditions, the same tendency of sample ingress is evident.
However, as the reference electrode system is separated physically from the intermediate electrolyte area, the contamination of the electrode is minimized.
The likelihood of clogging of the junction is also reduced with a double junction electrode since the outer reference cell uses a fill solution that is “silver-free”.
Since there is no silver present, there is no precipitate forming to clog the junction.
Other probes on request.
The HI1048B is a glass body, refillable, sleeve junction pH electrode with a BNC connector. This electrode features a double junction reference, Hanna’s Clogging Prevention System (CPS) technology and spherical glass sensing bulb made with general purpose glass.
This pH electrode is ideal for wine must and juice due to their high solids content that would clog a standard general purpose pH electrode.
- Clogging Prevention System (CPS™) Technology
- Refillable Electrode
- Refillable Electrode
HI1343B PEI Body pH Electrode with Calomel References with BNC Connector
The HI1343B is a PEI body, single junction pH electrode with a BNC connector.
This electrode has a single ceramic junction in the outer reference cell and the spherical pH sensing portion is made with high temperature glass.
The mercury/mercury (I) chloride (Hg/Hg2Cl2) reference system provides a stable reference potential without the presence of silver. This design consideration is ideal for applications involving Tris buffer.
•Calomel References
•Refillable Electrode
•High Temperature (HT) Glass
HI1131B Refillable Combination pH Electrode
with BNC Connector
The HI1131B is a glass body, refillable, double junction pH electrode with a BNC connector.
This electrode has a single ceramic junction in the outer reference cell and the spherical pH sensing portion is made with high temperature glass.
This design consideration is ideal for laboratory samples, beer and other liquid samples, as well as general purpose use.
•Refillable Electrode
•Double Junction Design
•High Temperature (HT) Glass
HI1053B pH Electrode
with Conical Tip and BNC Connector
The HI1053B is a glass body, refillable, double junction pH electrode with a BNC connector.
This electrode has three ceramic junctions in the outer reference cell for an increased flow rate of reference electrolyte and a conical pH sensing tip that is made with low temperature glass.
These design considerations are ideal for emulsions, fats and creams, soil and semi-solid samples, low conductivity solutions, and for measuring samples at cooler temperatures.
•Triple Ceramic Junction
•Double Junction Design
•Refillable Electrode
HI99131 Plating pH Portable Meter
The HI99131 is a waterproof, portable pH and temperature meter specifically designed for use in plating baths.
The HI62911D pre-amplified, double junction pH probe features a recessed flat tip that is easy to clean and prevents solids in solutions from collecting on the sensor.
The titanium body of the HI62911D functions as a potential matching pin for increased stability of readings and extended sensor life.
•Automatic Temperature Compensation
•Automatic Two-Point Calibration
•Waterproof
Specifications 1
pH Range : -2.00 to 16.00 pH
pH Resolution : 0.01 pH
pH Accuracy : ±0.02 pH
pH Calibration : automatic, at one or two points with two sets of
standard buffers (pH 4.01 / 7.01 / 10.01 or
pH 4.01 / 6.86 / 9.18)
Temperature Range : -5.0 to 105.0°C
Temperature Resolution : 0.1°C / 0.1°F
Temperature Accuracy : ±0.5°C (up to 60°C); ±1.0°C (outside)
Temperature Compensation : automatic from -5.0 to 105.0ºC
Electrode/Probe : HI62911D titanium body, pre-amplified pH probe with
internal temperature sensor, DIN connector and 1 m cable (included)
HI99141 Boiler and Cooling Tower pH Portable Meter
Ideal for the water treatment industry
The HI99141 is a waterproof, portable pH and temperature meter specifically designed for boilers and cooling towers. The HI72911D pre-amplified double junction pH probe features a flat tip sensor that is easy to clean and prevents solids in solutions from collecting on the sensor. The titanium body of the HI72911D functions as a potential matching pin for increased stability of readings and extended sensor life.
- Automatic Temperature Compensation
- Automatic Two-Point Calibration
- Waterproof
- BEPS - Alerts the user of low battery power that could adversely affect readings
- Compact, heavy-duty, and waterproof
- Battery % displayed on start-up
- HELP feature displays tutorial messages on LCD
HI99141 is supplied with :
- HI72911D pH probe,
- HI70004 pH 4.01 buffer solution sachet (20 mL),
- HI70007 pH 7.01 buffer solution sachet (20 mL),
- HI700661 electrode cleaning solution sachets (2 x 20 mL),
- batteries, instructions,
- and hard carrying case.
Accessories :
- pH 4.01 Calibration Buffer Sachets (25 x 20 mL)
(25 x 20 mL) with or without certificate
- pH 6.86 Calibration Buffer Sachets
(25 x 20 mL) with or without certificate
- pH 7.01 Calibration Buffer Sachets
- pH 10.01 Calibration Buffer Sachets
- Cleaning Solution for Salt Deposits
- Electrode Storage Solution (500 mL)
- Shockproof Rubber Boot Blue (HI710007)
- Shockproof Rubber Boot Orange (HI710023)
HI2202-01 Edge® pH Meter
Smart pH Electrode and Meter
- Single parameter pH meter features user-friendly tablet design with bench, portable or wall mount options for ultimate flexibility.
- Switch from portable to bench in the same procedure or clear the surface for easier working and hang on the wall.
- Range -2.00 to 16.00pH; resolution 0.01pH; data store for 1000 records; supplied with glass pH electrode + temperature sensor.
- Digital smart electrode compatible.
edge® pH is dedicated to testing pH. Using Hanna's latest innovation in technology and design, edge® can be adapted to suit your working method.
Select from hand held, wall mount or bench top - or switch between them all. edge® is happy any which way. Simply plug in the electrode, then play.
Measurement is simpler, quicker and more accurate than ever.
Results are fast and reliable. Combining high precision technology with the user-friendly dimensions and format of a small digital tablet, edge® is breaking new ground in electrochemistry.
A must-have meter for your laboratory!
Cutting-edge design, capacitive touch keypad and an intuitive user interface are just a few of the great attributes that make edge® stand out as the world's first Hybrid meter on the market.
HALO™ pH electrodes with Bluetooth® Smart Technology
HI2202-0 wireless ph meter and ph electrode
Each edgeblu HI2202-02 is supplied with a HI11102 HALO™ Bluetooth pH electrode.
The Halo uses Bluetooth Smart Technology (Bluetooth 4.0), which is energy efficient and allows the probe to operate on 1 CR2032 battery for approximately 500 hours.
The HI11102 HALO pH electrode is a double junction, gel filled, glass body pH electrode with a built-in thermistor temperature sensor.
All readings are automatically compensated for temperature variations.
The HI11102 HALO pH electrode transmits measurement data directly to edgeblu or a compatible Apple or Android device.
All HALO pH electrodes are auto-detected providing pH sensor type, calibration data and serial number when connected.
The HALO pH electrode also features a blue LED ring that changes flashing frequency based on whether it is in discovery mode or when it is connected to the edgeblu or compatible device.
The button located on the HALO™ pH probe is used to place it in discovery mode or to log data directly to the edgeblu or compatible Apple or Android device.
pH Specifications
pH Range : -2.000 to 16.000 pH (Standard Mode), -2.00 to 16.00 pH (Basic Mode), ±1000 mV
pH Resolution : 0.001 pH, 0.01 pH, 0.1 mV
pH Accuracy (@25ºC) : ±0.2 mV, ±0.01 pH, ±0.002 pH
pH Calibration :
5 points (Standard mode) 1.68, 4.01 (3.00†), 6.86, 7.01, 9.18, 10.01, 12.45,and two custom buffers; 3 points (Basic mode) 4.01; 6.86; 7.01; 9.18; 10.01
pH Temperature Compensation : ATC: -5.0 to 100.0ºC*
Notes
* temperature limits will be reduced to actual probe/sensor limits
iOS and Android Compatibility
The HI11102 HALO pH electrode is compatible with Apple or Android devices running the Hanna Lab App, available for download at no charge.
The Hanna Lab App turns any compatible Apple or Android device into a full-featured pH meter. Functions include calibration, measurement, data logging, graphing and data sharing. Measurement and logging of pH and temperature at one-second intervals start as soon as the probe is connected. Measurements can be displayed alone on the display, with tabulated data, or as a graph. The graph can be panned and zoomed with pinch-to-zoom technology for enhanced viewing. Any readings that exceed user-defined alarm threshold are highlighted in yellow on the measurement screen, graph, and table. Readings that exceed the pH probe specifications are highlighted in red.
Readings are automatically saved to a history file every hour, limited only by the available memory on the device. Readings in specific time intervals can also be saved. Saved log files may be annotated with measurement specific information and also shared via email in CSV (comma-separated values) format.
*iPad and stand not included.
Scope of supply :
HI2202 edge® blu includes :
- benchtop docking station with electrode holder,
- wall mount cradle,
- USB cable,
- HI11102 glass body, gel filled pH electrode with temperature sensor,
- pH 4 buffer solution sachets,
- pH 7 buffer solution sachets,
- pH 10 buffer solution sachets,
- electrode cleaning solution sachets,
- 5 VDC power adapter,
- instruction manual
- and instrument quality certificate.
Accessories :
- pH 4.01 Calibration Buffer Sachets
- pH 6.86 Calibration Buffer Sachets
- pH 7.01 Calibration Buffer Sachets
- pH 10.01 Calibration Buffer Sachets
- Cleaning Solution for Salt Deposits
- Electrode Storage Solution (500 mL)
- HALO® Wireless Foodcare pH Meter
- HALO® Wireless Field pH Meter
- HALO® Wir. General Use pH Meter
FC2022 HALO® Wireless Foodcare pH Meter
Our HALO® Wireless Foodcare pH Meter has a PVDF body, conical tip, and open junction design that resists clogging making it ideal for pH measurements in food products including dairy, dough, ground meats and other semi-solid food samples. All readings are transmitted directly to your Apple or Android device or the edge®blu.
- Take laboratory grade pH and temperature measurements using your smart phone or tablet.
- Easily connect to the Hanna Lab App at the press of a button via Bluetooth wireless technology.
- Group your data by time or notation. Email it for storage or share it with friends or colleagues.
HI12302 HALO® Wireless Field pH Meter
Our HALO® Wireless Field pH Meter has a durable PEI body and spherical sensing bulb. All readings are transmitted directly to your Apple or Android device or the edge®blu.
- Take laboratory grade pH and temperature measurements using your smart phone or tablet.
- Easily connect to the Hanna Lab App at the press of a button via Bluetooth wireless technology.
- Group your data by time or notation. Email it for storage or share it with friends or colleagues.
HI11312 HALO® Wireless General Use pH Meter
Our HALO Wireless General Use pH Meter has a refillable glass body and spherical glass sensing bulb made for everyday laboratory use. All readings are transmitted directly to your Apple or Android device or the edge®blu.
- Take laboratory grade pH and temperature measurements using your smart phone or tablet.
- Easily connect to the Hanna Lab App at the press of a button via Bluetooth wireless technology.
- Group your data by time or notation. Email it for storage or share it with friends or colleagues.
What is pH?
A pH (potential of Hydrogen) measurement reveals if a solution is acidic or alkaline (also base or basic).
If the solution has an equal amount of acidic and alkaline molecules, the pH is considered neutral.
Very soft water is commonly acidic, while very hard water is commonly alkaline, though unusual circumstances can result in exceptions.
The pH scale is logarithmic and runs from 0.0 to 14.0 with 7.0 being neutral. Readings less than 7.0 indicate acidic solutions, while higher readings indicate alkaline or base solutions.
Some extreme substances can score lower than 0 or greater than 14, but most fall within the scale.
What is automatic temperature compensation (ATC)?
When measuring pH using a pH electrode the temperature error from the electrode varies based on the Nernst Equation as 0.03pH/10C/unit of pH away from pH7.
The error due to temperature is a function of both temperature and the pH being measured.
Temperature compensation can be achieved manually or automatically.
Manual temperature compensation is usually achieved by entering the temperature of the fluid being measured into the instruments menu and then the instrument will display a "Temperature Compensated" pH reading.
Automatic temperature compensation requires input from a temperature sensor and constantly sends a compensated pH signal to the display.
Automatic temperature compensation is useful for measuring pH in systems with wide variations in temperature.