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Combo - Waterproof pH / EC / TDS / °C / °F Testers with Replaceable Electrode

Rugged, Floating Waterproof Casing.
Temperature in °C and °F.
Measurement Stability Indicator.
Replaceable pH Electrode Featuring an Extendable Junction.
Automatic pH Calibration at standard as well as NIST Buffer Sets.
Automatic Temperature Compensation (ATC).
Adjustable Temperature Coefficient Factor.
Specifications

The new waterproof HI 98129 & HI 98130 Combo testers from Hanna are designed for high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution. At startup, Combo performs a self check then displays the remaining battery level to assure proper working condition. These testers also have a stability indicator and hold feature to prompt the user when to take the reading & freeze the display for easy and accurate recording. Calibration and temperature compensation is automatic, while the EC / TDS conversion factor and temperature coefficient factor (ß) are user adjustable for application specific measurements. For calibration in pH, the user may choose between standard or N.I.S.T. buffer sets. The combo has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/TDS graphite electrode which resists contamination by salts and other substances that come in contact with the electrode. These new pH / EC / TDS / Temperature meters have a stainless steel temperature probe for faster and more precise temperature measurement. Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature tester meets the requirements of your routine multi-measurements.

Replaceable pH electrode cartridge
featuring an extendable junction.

Choose your Combo according to the proper EC / TDS ranges for your application:

HI 98129; EC - 0 to 3999 µS/cm; TDS - 0 to 2000 ppm
HI 98130; EC - 0.00 to 20.00 mS/cm; TDS - 0.00 to 10.00 ppt

Combo is supplied complete with HI 73127 pH electrode, 4 x 1.5V batteries and electrode replacement tool (HI 73128).

Specifications:		HI 98129	HI 98130
Range	EC	0 to 3999 µS/cm	0.00 to 20.00 mS/cm
	TDS	0 to 2000 ppm	0.00 to 10.00 ppt
	pH	0.00 to 14.00 pH
	Temperature	0.0 to 60.0 °C or 32.0 to 140.0 °F
Resolution	EC	1 µS/cm	0.01 mS/cm
	TDS	1 ppm	0.01 ppt
	pH	0.01
	Temperature	0.1 °C or 0.1 °F
Accuracy (@ 20°C/68°F)	EC/TDS	±2% F.S.
	pH	±0.05
	Temperature	±0.5 °C or ±1 °F
Typical EMC Deviation	EC/TDS	±2% F.S.
	pH	±0.02
	Temperature	±1 °C or ±1 °F
Calibration	EC/TDS	Automatic at 1 point
	pH	1 or 2 points with 2 sets of memorized buffers: (pH 4.01, 7.01 & 10.01 or 4.01, 8.68 & 9.18)
Temperature Compensation	EC/TDS	BETA (ß) = adjustable from 0.0 to 2.4 per °C in increments of 0.1
	pH	Automatic
EC / TDS Conversion Factor		Adjustable from 0.45 to 1.00
Environment		0 to 50°C (32 to 122°F); R.H. 100%
Battery Type / Life		4 x 1.5V / 100 hours
Auto Shut-off		After 8 minutes
Dimensions		163 x 40 x 26 mm (6.4 x 1.6 x 1.0")
Weight		85 g (3 oz.)