Conductivity Meters

Conductivity/TDS Meter

		HI 4321
Conductivity	Range	0.000 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 999.0 mS/cm; 1000 mS/cm
	Resolution	0.001 µS/cm; 0.01 µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm
	Accuracy	±1% of reading (±0.01 µS/cm)
Resistivity	Range	1.00 to 99.99 Ohm•cm; 100.0 to 999.9 Ohm•cm; 1.000 to 9.999 kOhm•cm; 10.00 to 99.99 kOhm•cm; 100.0 to 999.9 kOhm•cm; 1.00 to 9.99 MOhm•cm; 10.0 to 100.0 MOhm•cm
	Resolution	0.01 Ohm•cm; 0.1 Ohm•cm; 0.001 kOhm•cm;0.01 kOhm•cm; 0.1 kOhm•cm; 0.01 MOhm•cm; 0.1 MOhm•cm
	Accuracy	± 2% of reading (±1 Ohm•cm)
TDS	Range	0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt
	Resolution	0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt
	Accuracy	± 1% of reading (±0.01 ppm)
	Factor	0.40 to 1.00
Salinity	Range	Practical salinity: 0.00 to 42.00; Natural seawater: 0.00 to 80.00 ppt Percent: 0.0 to 400.0%
	Resolution	0.01 for practical salinity/natural seawater; 0.1% for percent scale
	Accuracy	±1% of reading
T°	Range	-20.0 to 120°C; -4.0 to 248.0°F; 253.15 to 393.15K
	Resolution	0.1°C; 0.1°F; 0.1K
	Accuracy	±0.2°C; 0.4°F; ±0.2K (excluding probe error)
Calibration	Conductivity	Auto standard recongnition, custom calibration solution / 4 point calibration
	Salinity	Percent scale - 1 point ( with HI 7037 standard)
	T°	3 points
T° Compensation		Linear and non-linear ( natural water)
Log-on-demand / Auto Data Logging		10 Lots, 5000 samples per lot / 10 Lots, 5000 samples per lot
PC Connection		Opto-isolated USB and RS232
Power		12 Vdc adapter (included)

EC/Resistivity/TDS/NaCl Meter

		HI 98188
EC	Range	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	0.001 µS/cm; 0.01µS/cm; 0.1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm
	Accuracy	±1% of reading (±0.01 µS/cm or 1 digit, whichever is greater)
Resistivity	Range	1 to 999.9 Ohm•cm; 1.000 to 9.999 kOhm•cm; 10.00 to 99.99 kOhm•cm; 100.0 to 999.9 kOhm•cm 1.0 to 100.0 MOhm•cm (autoranging)
	Resolution	0.1 Ohm•cm; 0.001 kOhm•cm; 0.01 kOhm•cm; 0.1 kOhm•cm; 0.1 MOhm•cm
	Accuarcy	±2% of reading (±1 Ohm•cm or 1 digit, whichever is greater)
TDS	Range	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	0.01 ppm; 0.1 ppm; 0.001 g/L; 0.01 g/L; 0.1 g/L
	Accuracy	±1% of reading (±0.05 ppm or 1 digit, which is greater)
NaCl	Range	%: 0.0 to 400.0%; seawater scale 0.00 to 80.00 (PSU); Practical salinity: 0.01 to 42.00
	Resolution	0.1%; 0.01
	Accuracy	±1% of reading
T°	Range	-20.0 to 120.0 °C
	Resolution	0.1°C
	Accuracy	±0.2°C (excluding probe error)
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)
	NaCl	1 point only in % range (with HI 7037 buffer); Use conductivity calibration for all other ranges
	T°	1 or 2 points
T° Compensation		-20.0 to 120.0°C
Logging	Log-on-demand	400 samples
Logging	Interval	5 seconds to 1 minute
PC Connectivity		Opto-isolated USB ( with HI 92000 software)
Recharger		HI 710042 inductive charger (included)

Bench-top Conductivity Meters

from HANNA Instruments

Conductivity/TDS Meter

EC/Resistivity/TDS/NaCl Meter