This ergonomic, compact, and economical meter is ideal for a wide range of applications in the food and beverage industry, and water and environmental analysis. Outstanding functions such as separate reference electrode input, mV/ORP measuring mode and a self-test are combined with useful features such as automated endpoint recognition and automated buffer recognition.

Five self-explanatory buttons start and end measurement or access calibration data at the press of a button. Big, well organized display simultaneously shows readings, temperature, endpoint criteria and various helpful icons, and facilitates rapid measurement and calibration.

7640A comes with meter only, kit 7640B includes an LE409 glass electrode and handy electrode arm

SPECIFICATIONS
Range	pH:	-0.00 to 14.00
	mV:	±1999.9
	Temp:	0.0 to 100.0°C
Resolution	pH:	0.01
	mV:	1 mV
	Temp:	0.1°C
Relative Accuracy	pH:	±0.01
	mV:	±1 mV
	Temp:	±0.5°C
calibration		Max 2 point, 3 predefined buffer groups