Model		HI-8424
Range	pH	-2.00 to 16.00 pH
	mV	±699.9 mV; ±1999 mV
	temperature	-20.0 to 120.0°C/-4.0 to 248.0°F
Resolution	pH	0.01 pH
	mV	0.1 mV; 1 mV
	temperature	0.1°C/0.1°F
Accuracy	pH	±0.01 pH
	mV	±0.2 mV; ±1 mV
	temperature	±0.4°C/±0.8°F
pH calibration	pH	Automatic, 1 or 2 point with 3 memorized buffer values (4.01, 7.01, 10.01)
	offset	±1 pH
	slope	75 to 110%
Input impedance		1012 Ohm
Temperature compensation		automatic, -20 to 120°C(-4 to 248°F) or manual without temperature probe
pH electrode		HI 1230B, double junction, gel filled PEI(PolyEther-Imide) body, BNC connector, 1 m(3.3') cable(included)
Temperature probe		HI 7669AW with 1 m(3.3')cable(included)
Battery type/life		1 x 9V/approx. 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled(user-selectable)
Environment		0 to 50°C(32 to 122°F); RH max 100%
Dimensions		164 x 76 x 45 mm(6.5 x 3.0 x 1.8")
Weight		180 g(6.3 oz.)