The HI2216 is an accurate and affordable pH/ISE/ORP/°C benchtop meter with 0.001 pH and ISE resolution. Up to a five-point pH calibration can be performed using seven standard buffers. In addition, two custom buffers can be used during calibration. Up to a two-point ISE calibration can be performed using five standard solutions. All pH readings are automatically compensated for temperature variations from the supplied thermistor probe. The HI2216 provides GLP capabilities and memory for storage of up to 200 log-on-demand records 500 lot logging records.

Includes:

• (1) HI1131B pH electrode
• (1)  HI7662 temperature probe
• (1) HI76404N electrode holder
• (1) HI70004 pH 4.01 buffer solution sachet
• (1) HI70007 pH 7.01 buffer solution sachet
• (1) HI7082S 3.5 KCl electrolyte solution (30 mL)
• (1) HI700601 cleaning solution sachet
• (1) 12 VDC adapter and instructions.

Specifications:

• pH Range     –2.0 to 16.0 pH, -2.000 to 16.000 pH, -2.00 to 16.00 pH
• pH Resolution     0.1; 0.01; 0.001
• pH Accuracy (@25ºC/77ºF)     ±0.1 pH; ±0.01 pH; ±0.002 pH
• pH Calibration     automatic, up to five-point calibration with seven standard buffers available (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) and two custom buffers
• pH Temperature Compensation     automatic or manual (with HI7662 temperature probe) from –20.0 to 120.0 °C (-4.0 to 248.0°F)
• mV Range     ±999.9 mV; ±2000 mV
• mV Resolution     0.1 mV (±999.9 mV); 1 mV (±2000 mV)
• mV Accuracy     ±0.2 mV (±999.9 mV); ±1 mV (±2000 mV)
• Relative mV Offset Range     ±2000 mV

Temperature Specifications

• Temperature Range     -20.0 to 120.0°C (-4.0 to 248.0°F)
• Temperature Resolution     0.1 °C
• Temperature Accuracy     ±0.2 °C

ISE Specifications

• ISE Range     0.001 to 19990 ppm
• ISE Resolution     0.001 ppm; 0.01 ppm; 0.1 ppm; 1 ppm; 10 ppm
• ISE Accuracy @ 25 °C/77 °F     ±0.5% FS
• ISE Calibration Points     automatic, one or two points with five available buffers (0.1, 1, 10, 100, 1000 ppm)

Additional Specifications

• Electrode/Probe     HI1131B glass body pH electrode with BNC connector and 1 m (3.3’) cable (included)
• Temperature Probe     HI7662 temperature probe, stainless steel with 1 m (3.3’) cable (included)
• Logging     log-on-demand up to 200 records; autologging up to 500 records
• Logging Interval     5, 10, 30 seconds, 1, 2, 5, 10, 15, 30, 60, 120, 180 minutes stability logging (“StAb”)
• Connectivity     opto-isolated USB
• Environment     0 to 50°C (32 to 122°F; 273 to 323 K), RH max 95% non-condensing
• Input Impedance     10¹² Ohms
• Power Supply     12 VDC adapter (included)
• Dimensions     235 x 222 x 109 mm (9.2 x 8.7 x 4.3”)
• Weight     1.3 kg (2.9 lb)