Tirators Karl Fisher Hanna Instrument

 Karl Fischer Coulometric Titrator HI904

Titration Spec.

Range

1 ppm to 5 %

Resolution

0.1ppm to 0.0001 %

Result Units

%, ppm, ppt, mg/g, μg/g, mg, μg, mg/mL, μg/mL, mg Br/100g, g Br/100g, mg Br, g Br

Sample Types

Liquid or solid with external dissolution / extraction

Pre-Titration Conditioning

Automatic

Background Drift Correction

Automatic or  user-selectable value

Endpoint Criteria

Fixed mV persistence, relative drift stop or absolute drift stop

Dosing

Dynamic

Result Statistic

Mean, standard deviation

Dosing System Spec.

Generator Configuration

Diaphragm or  diaphragm-less

Generator Current Control

Automatic or  fixed (400 mA)

Generator Type Detection

Automatic

Titration Vessel

Operating volume between 100 – 200 mL

Solvent Handling System

Sealed system with integrated diaphragm air pump and beaker adapter

Sensor System Spec.

Sensor Type

HI76330 dual platinum pin polarization electrode

Sensor Connection

BNC

Polarization Current

1, 2, 5, or 10 μA

Voltage Range

2 mV to 1100 mV

Voltage Resolution

0.1 mV

Accuracy ( @25 ºC/77 ºF )

±0.1 %

Additional Spec.

Programmable Stirrer

Magnetic, optically regulated, digital stirrer; 200 to 2000 rpm; resolution 100 rpm

Display

5.7” ( 320 x 240 pixel ) color LCD

Methods

Up to 100 (standard and user) methods

Logging Data

Up to 100 complete titration reports and drift rate reports can be stored

Peripherals ( Rear )

Connections for VGA display, PC-keyboard, parallel printer, USB device input, RS232

GLP Conformity

Good Laboratory Practice and instrument data storage and printing

Languages

English, Portuguese. Spanish, and French

Enclosure Material

ABS plastic and steel

Keypad

Polycarbonate

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

Dimensions

390 x 350 x 380 mm (15.3 x 13.8 x 14.9”)

Weight

Approximately 10 kg ( 22 lbs )

Autosampler for Automatic Potentiometric Titrator - HI921

Autosampler Spec.

Electrode Holder Slots

3 x 12-mm electrodes, 1 temp. sensor, 1 aspiration tube, 5 multipurpose slots ( titrant/reagent tubes ), 1 overhead stirrer

Temp. Sensor

HI7662-A ( included )

Stirrers

Built-in magnetic stirrer, overhead propeller stirrer ( optional )

Peristaltic Pumps

Up to 3 can be installed, installs in slots #1, #2, and #3

Trays

16 beakers x 150 mL ( HI920-11660 ), 18 beakers x 100 mL ( HI920-11853 ), built-in RFID, transmits the tray type and serial number

Beakers

ASTM short-form glass beakers, 16 plastic beakers, 150 mL ( HI920-060 ), 18 plastic beakers, 100 mL ( HI920-053 )

Control Panel

Buttons for manual operation of tray and titration head, manual operation of peristaltic pumps, two-line backlit display with status information

Barcode Reader

Compatible with USB barcode readers, used to add sample names

Report Storage

Up to 40 trays of samples ( e.g. 720 reports for 18 beaker tray )