טיטרטור דגם HI931

The HI931 Automatic Titrator is the answer to your dedicated titration needs. Fully customizable, the HI931 delivers accurate results and intuitive user experience, all in a compact package. Titrate for a variety of measurements at the push of a button including acids, bases, redox, and selective ions. With no additional programming upgrades to purchase, you can start measuring right away

  • Small footprint so you can fully optimize your benchtop and increase productivity.
  • Unmatched 40,000-step dosing pump for small volumes of titrant to help you achieve a very precise endpoint for greater consistency.
  • Perfect for dedicated titration needs.

 

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Automatic Potentiometric Titrator - HI931

Superior design for superior results

The Cycoloy® body is durable, heat-resistant, and resists staining. Menu buttons are part of the display making it fully sealed and easy to clean. A high contrast LCD display makes every character on the display stand out and the wide viewing angle allows measurements to be seen from any angle. The backlight is adjustable for perfect viewing and a backlight saver option protects the display during periods of inactivity

Maximize your workspace

This new generation of titrator features a 50% smaller footprint than the HI901 Automatic Titrator for maximum use of your lab space. Use it in any sized space while providing accurate and consistent results

Simple User Experience

Virtual keys present on the display allow for simple and quick navigation between screens and menus without getting lost in a nest of information. If you need additional information about a screen, simply press the dedicated button for help

 

Titration Screens

Multiple Titration Types

Paired with the right electrode, this potentiometric titrator can perform any number of standard titrations including pH and mV tests with fixed endpoints or single equivalence points

 

Track Your Progress

A real-time titration curve can be displayed during each titration; this feature is useful when new methods are tested or when a procedure requires optimization

 

Enhanced Security Options

Administrative users can set a PIN code on the device protecting against unauthorized access. Titration method options and results are tamper-proof while a non-administrator operates the titrator, ensuring records remain safe, secure, and traceable

 

Clip-Lock™ burette

Exchangeable Burette System

With Hanna’s Clip-Lock™ burette feature, it only takes a few seconds to exchange titrants and reagents preventing cross-contamination and saving time

 

Precision Dosing Pump

Our unmatched 40,000-step piston driven pump is capable of dosing extremely small and highly accurate volumes of titrant or reagent

 

Chemically Resistant Tubing

Aspiration and dispensing tubes are constructed of durable, chemically resistant PTFE and feature a light-blocking polyurethane outer sleeve to protect light sensitive reagents

Flexible Electrode Holder

This electrode holder can hold up to 3 electrodes, 4 tubes, and 1 temperature probe at any given time. The holder is angled and the stirrer is removable for access to smaller volume titrations without hassle. Use electrodes with different diameters when needed simply by changing the electrode guide. No need to move electrodes around, get the best tube alignment for your titration with a rotating holder

 

Adjustable Arm

For a more compact design, the electrode holder is built directly into the titrator body. The press-to-release button makes for simple height control. Need to save more space? Just reverse the holder to accommodate larger beakers

 

Smarter Stirring

The removable overhead stirrer has built-in speed control for more consistent stirring

HI931 Back

Take advantage of the versatility

HI931 functions as a titrator, pH meter, mV/ORP meter, and ISE meter. Valuable laboratory bench space is saved, and multiple tests can be performed on one sample

 

Stay connected

Connect the devices that help you most, whether it be an analytical balance for automatic weight sample entry or a printer for your reports

 

View and print reports easily

You can print reports directly from the titrator with a connected printer

 

 

 

Well and Gutters Peristaltic Pump

Designed for dynamic environments.

Don't worry about small spills in the laboratory with built-in spill handling. An external gutter system protects important connections and interior trays safeguard internal electronics.

Automatic Reagent Addition

A peristaltic pump may be programmed to volumetrically dispense reagent prior to titration or direct measurement or aspirate post-analysis. This helps achieve consistent and accurate results and prevents operator errors such as incorrect volumes or forgetting reagent addition.

USB Storage

Customizable Analysis Reports

Each analysis report is fully customizable so users can ensure they are storing and filing the best data required for their application. New multiselect feature makes batch processing simple

Flexible GLP Management

All necessary GLP (Good Laboratory Practice) information is recorded with each sample including sample identification, company and operator name, date, time, electrode ID codes, and calibration information

Effortless Data Transfer

A conveniently located USB port or direct connection to a PC allows for the transfer of titration methods, titration reports, and software upgrades. Easily convert titration methods from our software to an LIMS friendly format

 

pH Specifications

pH Range -2.000 to 20.000 pH
pH Resolution 0.1; 0.01; 0.001 pH
pH Accuracy (@25ºC/77ºF) ±0.001 pH
pH Calibration up to five-point calibration, eight standard buffers and five custom buffers

mV Specifications

mV Range -2000.0 to 2000.0 mV
mV Resolution 0.1 mV
mV Accuracy (@25ºC/77ºF) ±0.1 mV
mV Calibration single-point offset

ISE Specifications

ISE Range 1•10⁻⁶ to 9.99•10¹⁰
ISE Resolution 1; 0.1; 0.01
ISE Accuracy ± 0.001 pH
ISE Calibration up to five-point calibration, seven standard solutions and five user-defined standards

Temperature Specifications

Temperature Range -5.0 to 105.0°C; 23.0 to 221.0°F; 268.2 to 378.2K
Temperature Resolution 0.1°C; 0.1°F; 0.1K
Temperature Accuracy (@25ºC/77ºF) ±0.1°C; ±0.2°F; ±0.1K, excluding probe error

Additional Specifications

Programmable Stirrer overhead propeller type, 200 to 2500 rpm, resolution 100 rpm
Display 5.7” (320 x 240 pixel) backlit color LCD
Burette Sizes 5, 10, 25, and 50 mL
Burette Resolution 1/40000
Display Resolution 0.001 mL
Dosing Accuracy ±0.1% of full burette volume
Methods up to 100 methods (standard and user-defined)
Logging Data up to 100 titration and pH/mV/ISE reports
Burette Auto-Detection burette size is automatically recognized when inserted into the unit
Flow Rate user-selectable from 0.1 mL/min to 2 x burette volume/min
Endpoint Determination equivalence point (1st or 2nd derivative) or fixed pH/mV value
Potentiometric Titrations acid/base (pH or mV-mode), redox, precipitation, complexometric, non-aqueous, ion-selective, argentometric
Measurement Units user-specified expression of concentration units to suit specific calculation requirements
Real-Time & Stored Graphs mV-volume or pH-volume titration curve, 1st derivative curve or 2nd derivative curve; pH mode, mV mode or ISE mode: pH/mV/concentration versus time
USB Host (Side) flash drive compatibility for transfer of methods and reports
GLP Conformity instrumentation data storage and printing capabilities
Languages English, Portuguese, Spanish
Operating Environment 10 to 40°C (50 to 104°F), up to 95% RH
Storage Environment -20 to 70°C (-4 to 158°F), up to 95% RH
Power Supply 100-240 VAC; "-01" models, US plug (type A); "-02" models, European plug (type C)
Dimensions 315 x 205 x 375 mm (12.4 x 8.1 x 14.8 ")
Weight approx. 4.3 kg (9.5 lbs.) with 1 pump, stirrer and sensors
Ordering Information Each HI931 potentiometric titrator is supplied with: Titrator, Pump Assembly, Burette Assembly, Electrodes Holder and Stirrer, Burette Blank Support, Pump and Burette Locking Screws with Plastic Head, Temperature Sensor, Shorting Cap, Power Adapter, USB Cable, Instruction Manual, USB Memory Stick, HI900 PC Application (Installation Kit on USB Stick), and Quality Certificate.