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Simple to operate
Automatic Temperature Compensation
Automatic calibration
Calibration expiration reminder
ORP range

HI 2211 is a benchtop pH/ORP and °C meter. HI 2211 adds measurement for ion concentration (ISE) and Oxidation Reduction Potential (ORP) in the mV range.

This instrument also features a reading stability indicator used during calibration and a measurement memory/memory recall function .

pH measurements for both instruments are compensated for the temperature effect manually or automatically with the HI 7662 temperature probe. This meter is equipped with an easy-to-read LCD which shows both the primary reading and ºC.

Range	pH	-2.00 to 16.00 pH
	mV	±399.9 mV; ±2000 mV
	Temperature	-20 to 120.0°C
Resolution	pH	0.01 pH
	mV	0.1 mV; 1 mV
	Temperature	0.1 °C
Accuracy	pH	±0.01 pH
	mV	±0.2 mV (±399.9 mV); ±1 mV (±2000 mV)
	Temperature	±0.4 °C (excluding probe error)
pH Calibration		automatic, 1 or 2 point with 5 memorized buffer values (pH 4.01, 6.86, 7.01, 9.18, 10.01)
Temperature Compensation		automatic (with HI 7662 probe) or manual from -9.9 to 120 °C
pH Electrode		HI 1131B, glass-body, single junction, refillable, BNC connector, 1 m cable (included)
Temperature Probe		HI 7662 with 1 m (3.3') cable (included)
Input Impedance		10¹² Ohm
Power Supply		12 VDC adapter (included)
Environment		0 to 50°C (32 to 122°F); RH max 95%
Dimensions		235 x 222 x 109 mm (9.2 x 8.7 x 4.3”)
Weight		1.3 kg (2.9 lbs.)

Accessories

Electrodes
HI 1053B	Combination pH Electrode, Refillable w/ Conical Tip BNC Connection
HI 1083B	Combination pH Electrode w/ Micro Bulb BNC Connection
HI 1131B	Refillable, Combination pH Electrode for the Laboratory and Beer Testing BNC Connection
HI 1332B	pH Electrode for Chemicals, Quality Control, and Field BNC Connection
HI 1043B	Combination pH Electrode, Refillable w/ Double Junction BNC Connection
Solutions
HI 5004	Technical Buffer Solution, 4.01 pH, 500 mL bottle
HI 5007	Technical Buffer Solution, 7.01 pH, 500 mL bottle
HI 5010	Technical Buffer Solution, 10.01 pH, 500 mL bottle
HI 7061L	General Purpose Cleaning Solution 1 x 500 mL bottle
HI 70300L	Electrode Storage Solution 1 x 500 mL bottle
Accessories
HI 8427	pH and mV Precision Simulator
HI 931001	pH and mV Precision Simulator
HI 76404N	Electrode Holder for HI 42xx Type Bench Meters
Probes
HI 7662	Stainless Steel Temperature Probe

Order Info

HI 2211-01 (115V) and HI 2211-02 (230V) are supplied with HI 1131B pH electrode, HI 7662 temperature probe, HI 76404N electrode holder, HI 70004 pH 4.01 buffer solution sachet, HI 70007 pH 7.01 buffer solution sachet, HI 7071S electrolyte solution (30 mL), HI 700661 cleaning solution sachet, 12 VDC adapter and instructions.

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