Model		HI-110	HI-111
Range	pH	-2.00 to 16.00 pH	-2.00 to 16.00 pH
	mV	-	±699.9 mV; ±2000 mV
	temperature	-9.9 to 120.0°C	-9.9 to 120.0°C
Resolution	pH	0.01 pH	0.01 pH
	mV	-	0.1 mV; 1 mV
	temperature	0.1°C	0.1°C
Accuracy	pH	±0.01 pH	±0.01 pH
	mV	-	±0.2 mV; ±1 mV
	temperature	±0.4°C	±0.4°C
Relative mV offset range		-	±2000 mV
pH calibration		Automatic, 1, 2 or 3 point with 5 memorized values (pH 4.01, 6.86, 7.01, 9.18, 10.01) + 2 custom buffers	Automatic, 1, 2 or 3 point with 5 memorized values (pH 4.01, 6.86, 7.01, 9.18, 10.01) + 2 custom buffers
Temperature compensation		Automatic(with HI 7669/2W probe)or manual from -9.9 to 120°C	Automatic(with HI 7669/2W probe)or manual from -9.9 to 120°C
pH electrode		HI 1131B, glass-body, double junction, refillable, BNC connector, 1 m(3.3')cable (included)	HI 1131B, glass-body, double junction, refillable, BNC connector, 1 m (3.3')cable (included)
Temperature probe		HI 7669/2W with 1 m(3.3')cable (included)	HI 7669/2W with 1 m(3.3')cable (included)
Input impedance		1012 Ohm	1012 Ohm
Power supply		12 Vdc adapter(included)	12 Vdc adapter(included)
Environment		0 to 50°C(32 to 122°F); RH max 95%	0 to 50°C(32 to 122°F); RH max 95%
Dimensions		240 x 182 x 74 mm(9.4x7.2x2.9")	240 x 182 x 74 mm(9.4x7.2x2.9")
Weight		1.1 kg(2.4 lb.)	1.1 kg(2.4 lb.)