Advanced pH/ORP Benchtop Meter

Hanna instruments - HI6221

A streamlined benchtop meter with a large touch screen display, comprised of a housing and an integrated pH / ORP measurement module.

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Description
Specifications

Advanced pH/ORP Benchtop Meter

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.

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
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

Range
pH	-2.0 to 20.0 pH; -2.00 to 20.00 pH; -2.000 to 20.000 pH
mV	±2000.0 mV
Temperature	-20.0 to 120.0 °C; -4.0 to 248.0 °F; 253.0 to 393.0 K
Resolution
pH	0.1 pH; 0.01 pH; 0.001 pH
mV	1 mV; 0.1 mV
Temperature	0.1 °C / 0.1 °F / 0.1 K
Accuracy
pH	±0.1 pH; ±0.01 pH; ±0.002 pH(±1 last significant digit)
mV	±0.2 mV ±1 last significant digit
Temperature	±0.2 °C / ±0.4 °F / ±0.2 K
Relative mV offset range	±2000.0 mV
Reading
Modes	Direct; Direct/Autohold
Stability criteria	Accurate; Medium; Fast
Isopotential	7.000 or 4.010
Sampling rate	1000 ms
pH Calibration
Calibration points	Up to 5
Type	Automatic; Semiautomatic; Manual
Standard buffers	Hanna and NIST pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45
Custom buffers	Up to 5
Custom group	Up to 5
1^st calibration point	Offset or Points (user setting)
Reminder	Disabled Daily: 0 min. to 23 hours and 59 min. Periodic: 1 min. to 500 days, 23 hours and 59 min
pH Views
Basic	Measurement (pH, mV, Rel.mV, Abs.mV) Temperature, Stability status
Simple GLP	Basic view information Last calibration date, electrode offset, average slope, and electrode condition
Full GLP	Simple GLP information and calibration point details
Table	Measurements updated every second are displayed in table
Graph (Plot)	pH (or mV) and temperature versus time graph can be panned or zoomed (pinch-to-zoom technology
Temperature Compensation	Automatic or Manual
Logging
Type	Automatic, Manual, Autohold
Number of records	50000 maximum per file Stores at least 1000000 data points per user
Automatic interval	1, 2, 5, 10, 30 seconds 1, 2, 5, 10, 15, 30, 60, 120, 150, 180 minutes
Sample ID	Incremental mode
Export option	.csv file format

Users	Up to 9 users and admin. account (default)
Connectivity
USB-A	2 ports for keyboard input or USB thumb drive
USB-C	1 port for PC connectivity and USB-C type thumb drive
Wi-Fi & Ethernet	FTP; Web server: Log transfer and download; Email
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.)