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Hanna Instruments - HI5221 Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH
Hanna Instruments - HI5221 Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH - Image 2

Hanna Instruments – HI5221 Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH

The HI5221 is a single-channel, benchtop pH/mV meter designed for advanced laboratory and research applications. It features a color graphic LCD, capacitive touch keys, and USB connectivity for PC data transfer. The meter supports up to five-point pH calibration with eight preprogrammed buffers and five custom buffers, includes CAL Check™ for electrode diagnostics, and stores up to 100,000 data points. It also provides GLP data including calibration date, time, buffers, offset, and slope.

  • Single-Channel Measurement: Universal BNC input for pH/ORP electrodes with galvanic isolation
  • Advanced Calibration & Diagnostics: Up to 5-point calibration, CAL Check™, GLP display of calibration data
  • High Resolution & Accuracy: pH resolution to 0.001 and accuracy ±0.002 pH ±1 LSD
  • Data Logging & Transfer: Automatic, manual, and AutoHold logging with USB connectivity

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Description

The HI5221 Benchtop Meter allows precise pH and mV measurements in research and laboratory environments. The included HI1131B combination pH electrode and HI7662-T temperature probe provide automatic temperature compensation from -20 to 120°C. Users can perform up to five-point calibration using eight standard buffers or five custom buffers, while CAL Check™ alerts for potential electrode issues such as dirty, broken, or contaminated electrodes. The GLP feature displays calibration data including date, time, buffers used, offset, and slope alongside the current measurement.

The HI5221 supports three logging modes—automatic, manual, and AutoHold—with up to 100,000 data points stored across 100 lots, allowing detailed recording for analysis and reporting. Its color graphic LCD with on-screen help and virtual keys ensures intuitive navigation and real-time graphing. With USB connectivity, users can transfer data to a PC via Hanna’s HI92000 software, making the HI5221 ideal for research labs, quality control, and educational applications.

Features

  • SKU: HI5221-02
  • Product Name: Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH Resolution – HI5221
  • pH Range: -2.0 to 20.0 pH, -2.00 to 20.00 pH, -2.000 to 20.000 pH
  • pH Resolution: 0.1, 0.01, 0.001 pH
  • pH Accuracy: ±0.1 pH, ±0.01 pH, ±0.002 pH ±1 LSD
  • pH Calibration: Automatic, up to five points; 8 standard buffers (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) and 5 custom buffers
  • pH Temperature Compensation: Automatic or manual, -20.0 to 120.0 °C
  • CAL Check (electrode diagnostics): Yes
  • mV Range: ±2000 mV
  • mV Resolution: 0.1 mV
  • mV Accuracy: ±0.2 mV ±1 LSD
  • mV Relative Offset: ±2000 mV
  • Temperature Range: -20.0 to 120.0 ºC
  • Temperature Resolution: 0.1 ºC
  • Temperature Accuracy: ±0.2 ºC
  • Input Channels: 1 – pH/ORP
  • pH Electrode: HI1131B glass body with BNC connector and 1 m cable (included)
  • Temperature Probe: HI7662-T stainless steel, 1 m cable (included)
  • Logging Type: Automatic, Manual, AutoHold
  • Logging Memory: Up to 100,000 data points, 100 lots, 50,000 records/lot
  • Logging Interval: 1 second – 180 minutes
  • Connectivity: USB
  • GLP: Calibration data including date, time, buffers used, offset, slope
  • Display: Color graphic LCD with on-screen help, graphing, custom color configuration
  • Power Supply: 230VAC to 12 VDC adapter (included)
  • Environment: 0 to 50°C, RH max 95% non-condensing
  • Dimensions: 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
  • Weight: 1.2 kg (2.64 lbs.)
  • Included Accessories: HI1131B pH electrode, HI7662-T temperature probe, HI76404W electrode holder, HI70004 pH 4.01 buffer sachet, HI70007 pH 7.01 buffer sachet, HI700601 electrode cleaning solution sachet (2), HI7082 3.5M KCl electrolyte solution (30 mL), 12 VDC adapter, instructions

Specifications

SKU HI5221-02
Product Name Laboratory Research Grade Benchtop pH/mV Meter with 0.001 pH Resolution – HI5221
Quote Required Yes
pH Range -2.0 to 20.0 pH, -2.00 to 20.00 pH, -2.000 to 20.000 pH
pH Resolution 0.1, 0.01, 0.001 pH
pH Accuracy ±0.1 pH, ±0.01 pH, ±0.002 pH ±1 LSD
pH Calibration automatic, up to five point calibration, eight standard buffers available (1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01,12.45) and five custom buffers
pH Temperature Compensation automatic or manual from -20.0 to 120.0 °C
pH CAL Check (electrode diagnostics) Yes
mV Range ±2000 mV
mV Resolution 0.1 mV
mV Accuracy ±0.2 mV ±1 LSD
mV Relative Offset ±2000 mV
Temperature Range -20.0 to 120.0 ºC, -4.0 to 248.0 °F, 253.15 to 393.15 K
Temperature Resolution 0.1 °C, 0.1 °F, 0.1 K
Temperature Accuracy ±0.2 °C, ±0.4 °F, ±0.2 K
Input Channels 1 – pH/ORP
pH Electrode HI1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
Temperature Probe HI7662-T stainless steel temperature probe with 1 m (3.3’) cable (included)
Logging Type automatic, manual, AutoHold
Logging Memory record
Logging Interval settable between 1 second and 180 minutes max log time
Connectivity USB
GLP calibration data including date, time, buffers used, offset and slope
Display color graphic LCD with on-screen help, graphing, and custom color configuration
Power Supply 230VAC to 12 VDC adapter (included)
Environment 0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing
Dimensions 160 x 231 x 94 mm (6.3 x 9.1 x 3.7”)
Weight 1.2 kg (2.64 lbs.)
Ordering Information HI5221 is supplied with HI1131B pH electrode, HI7662-T temperature probe, HI76404W electrode holder, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachet (2), HI7082 3.5M KCl electrolyte solution (30 mL), 12 VDC adapter and instructions.

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