Instrumentation for Laboratory and Environment - pH/mV/Temperature Handheld Meter


	Features
	simultaneous measurement of pH/redox potential and temperature autom. temperature compensation automatic calibration methods Min./Max. value memory Diagnostic functions Multi-function display

	Description
	The model TM 39 is ideal for lab, field and industrial work. The meter features high accuracy, rugged plastic enclosure, microprocessor controlled evaluation and operation with pH or redox combination electrodes. The LCD displays low battery warning. With temperature probe or pH/temperature combination electrode the TM 39 can automatically compensate the pH reading for temperature shifts and without temperature probe the sample temperature is adjustable. Selectable automatic two- or three-point pH calibration with pre-programmed laboratory buffers or NBS Standard Buffer Solutions acc. to DIN 19266 support the calibration methods. In addition, TM 39 features calculations of the rH value based on redox, pH and temperature as well as the temperature compensated redox potential (ORP) in relation to the standard hydrogen electrode acc. to DIN 38404.


	Specifications
	Measuring ranges	pH 0 ... 14; -1999 ... 1999 mV; -70 ... 250 °C
	Resolution	0.01 pH; 1 mV; 0.1 °C
	Temperature compensation	automatic with Pt 100 or manual
	Display	LCD, 2 x 4 digits; 12.4 / 7 mm
	Power	9 V batterc IEC 6 F22 TM 39-N: mains adapter N 10 for 230 V AC
	Interface	TM 39-D: RS-232 with adapter D 10
	Ambient temperature	0 ... 50 °C
	Electrode connection	pH/redox: BNC plug temperatur: Mini-DIN plug
	Dimensions	meter: 142 x 71 x 26 mm
	Weight	about 145 g
	Recommended ph electrode	EGA 142/TM 39 combination electrode with built-in temperature probe; plastic body; gel electrolyte; 1m cable
	Delivery volume TM 39/Set	case with meter TM 39, pH / temperature combination electrode EGA 142/TM 39, 3 x 50 ml buffer solutions pH 4.01, 6.87 and 9.18 (25 °C)