HI 98188 waterproof, portable Conductivity Meter has an expanded conductivity range from 0.001 S/cm to 400 mS/cm, as well as resistivity and 3 salinity scales. This meter automatically recognizes the probe type (2 or 4-ring) and allows the user to adjust the nominal cell constant. Choose from 7 memorized standards and obtain up to a 5-point calibration. For salinity (% range), HI 7037 buffer allows you to make a 1-point calibration.

Both linear and natural water temperature compensation is available and the reference temperature in user adjustable. Ten sets of measurement parameters (such as reference temperature, temperature compensation mode, TDS factor, calibration etc.) can be stored as a customized user profile and recalled for later use. HI 98188 is also USP <645> compliant with stages 1, 2 and 3. Data may be captured by either the log-on-demand option (400 samples) and by interval logging (from 5 sec to 1 minute). Return to the lab and download all data to your PC with the USB connection and Hanna's HI 92000 software.

A combination of dedicated and soft keys allows quick, intuitive operation in a choice of languages. Comprehensive GLP data are directly accessible by pressing the GLP key. Access the contextual Help Menu to obtain on-screen information and assistance about each feature, at the touch of a button. Designed for field use, this instrument can be easily operated with one hand and is housed in a rugged carrying case. With an extended battery life of up to 100 hours the user is assured of a long operation time. The inductive charger can either be plugged into a standard 115V socket with the adapter included or a 12 Vdc source, such as a car's 12 V accessory outlet.

De technische specificaties van dit product:

Auto Shut-off		User Selectable: 5, 10, 30, 60 min or can be disabled
Battery Type / Life		(4) 1.2V AA rechargeable batteries/approx. 100 hrs continuous use (without backlight)
Dimensions		226.5 x 95 x 52 mm (8.9 x 3.75 x 2")
Environment		IP67
Log-On-Demand		400 samples
Logging Interval		5 seconds to 1 minute
PC Connection		Opto-isolated USB (with HI 92000 software)
Probe		HI 76310 4-ring EC probe with built-in temperature sensor
Recharger		Inductive recharger (included)
Reference Temperature		15°C, 20°C and 25°C
TDS Factor		0.40 to 1.00
Temperature Compensation		-20.0 to 120.0°C
Weight		525 g
Accuracy	EC	±1% of reading (±0.01 µS/cm or 1 digit, whichever is greater)
Calibration	EC	Automatic up to 5 points with 7 memorized standards (0.00 µS/cm, 84.0 µS/cm,1.413 mS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm)
Range	EC	0 to 400mS/cm (actual conductivity 1000 mS/cm)0.001 to 9.999 µS/cm; 10.00 to 99.99 µS/cm; 100.0 to 999.9 µS/cm;1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 1000.0 mS/cm (autoranging)
Resolution	EC	0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm
Accuracy	NaCl	±1% of reading
Calibration	NaCl	1 point only in % range (with HI 7037 buffer); Use conductivity calibration for all other ranges
Range	NaCl	%: 0.0 to 400.0%; seawater scale: 0.00 to 80.00 (PSU); Practical salinity: 0.01 to 42.00
Resolution	NaCl	0.1%; 0.01
Accuracy	Resistivity	±2% of reading (±1 OhmÂ?cm or 1 digit, whichever is greater)
Range	Resistivity	1 to 999.9 OhmÂ?cm; 1.000 to 9.999 kOhmÂ?cm; 10.00 to 99.99 kOhmÂ?cm; 100.0 to 999.9 kOhmÂ?cm; 1.0 to 100.0 MOhmÂ?cm (autoranging)
Resolution	Resistivity	0.1 OhmÂ?cm; 0.001 kOhmÂ?cm; 0.01 kOhmÂ?cm; 0.1 kOhmÂ?cm; 0.1 MOhmÂ?cm
Accuracy	TDS	±1% of reading (±0.05 ppm or 1 digit, whichever is greater)
Range	TDS	0.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 g/L; 10.00 to 99.99 g/L; 100.0 to 400.0 g/L (autoranging)
Resolution	TDS	0.01 ppm; 0.1 ppm; 0.001 g/L; 0.01 g/L; 0.1 g/L
Accuracy	Temperature	±0.2°C (excluding probe error)
Calibration	Temperature	1 or 2 points
Range	Temperature	-20.0 to 120.0°C
Resolution	Temperature	0.1°C

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