Hand held instruments temperature conductivity salinity meter battery powered with RS232 interface


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Hand held Conductivity/Salinity meter

Conductivity/Salinity/temperature meter

Features of the 3250

Auto/Manual ranging
Auto-switching excitation frequency for maximum accuracy
User programmable reference temperature and temperature coefficient
Use 2 or 4 wire cells for long cable length and wide range
Built in RS232
Power down memory back up
Rugged molded case
CE approved
Low price

Model 32-50 Conductivity Salinity meter
Portable and battery operated the Jenco 32-50 is a completely self contained instrument for checking temperature, conductivity and salinity in the field or in the laboratory.

The Conductivity meter can work with cells of different cell constants by programming the cell constant in the menu. The standard cell constant is 1.0

Other conductivity meters

Salinity is the total amount of dissolved salts in water, expressed as grams of salts per kilogram of water or as parts per thousand (ppt)
Related product for salinity :Handheld refractometer

Microsiemens (uS) (same as micromhos) is the unit for measuring conductivity and is used to approximate the total dissolved solids content of water. Water with 100mg/L of NaCl has a conductance of 212 uS/cm

Cell Constant
The resistance of a solution between the electrodes of a conductivity cell is a function not only of the conductance of the solution but also the volume of conducting solution between the electrodes. The volume is the distance between the electrodes ( l ) x the electrode area (A). The ratio l/A is called the Cell Constant. The most commonly used cells have a Cell Constant of 1 but other cells are available with different cell constants as shown in the table below.

Specification of 32-50 Conductivity/Salinity Meter

Display	Range	Resolution	Accuracy
Salinity	0.0 - 80.00 ppt	0.1 ppt	+/- 1% FS
Temperature	-5.0 to 95.0 C	0.1 C	+/- 0.2 C

Conductivity

Cell Constant	Range	Resolution	Accuracy
10 1/cm	auto 0 to 999.9 uS/cm fixed 0 to 999.9 uS/cm	0.1 uS/cm	+/- 0.5% FS
	auto 1.000 to 999.9 mS/cm fixed 0 to 999.9 uS/cm	0.001 mS/cm	+/- 0.5% FS
	auto 10.00 to 99.99 mS/cm fixed 0 to 99.9 mS/cm	0.01 mS/cm	+/- 0.5% FS
	auto 100.0 to 300.0 mS/cm Fixed 0 to 300 mS/cm	0.1 mS/cm	+/- 0.5% FS
1.0 1/cm	auto 0 to 99.9 uS/cm fixed 0 to 99.9 uS/cm	0.01 uS/cm	+/- 0.5% FS
	auto 100.0 to 999.9 uS/cm fixed 0 to 999.9 uS/cm	0.1 uS/cm	+/- 0.5% FS
	auto 1.000 to 999.9 mS/cm fixed 0 to 999.9 mS/cm	0.001 mS/cm	+/- 0.5% FS
	auto 10.00 to 30.00 mS/cm fixed 0 to 30.00 mS/cm	0.01 mS/cm	+/- 0.5% FS
0.1 1/cm	auto 0 to 9.999 uS/cm fixed 0 to 9.999 mS/cm	0.001 uS/cm	+/- 0.5% FS
	auto 10.00 to 99.99 uS/cm Fixed 0 to 99.9 uS/cm	0.01 uS/cm	+/- 0.5% FS
	auto 100.0 to 999.9 uS/cm fixed 0 to 999.9 uS/cm	0.1 uS/cm	+/- 0.5% FS
	auto 1.000 to 3.000 mS/cm fixed 0 to 3.000 mS/cm	0.001 mS/cm	+/- 0.5% FS

General Specifications

Display	Conductivity/Salinity and Temperature
Reference Temperature	15.0 to 25.0 deg C adjustable
Temperature coefficient	0.0 % to 4 % adjustable
Temperature compensation	Yes
Power supply	6 x AAA or 115/230 VAC adaptor
Battery Life	> 10 hours continuous use
ATC probe	Thermistor (10Kohm at 25 C)
Ambient temp	0 - 50 deg C
Weight	450 gms
Dimensions	222 x 83 x 71 mm

Ordering Information

Model 32-50K kit including ac adaptor, carrying case and 3250-1.0C conductivity cell	$520.00
Model 32-50 meter only	$395.00
Model 3250-1.0C conductivity cell epoxy, carbon cell constant 1.0 8 pin connector 3 ft cable	$95.00

Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779