Electronic measuring instrument

conductivity measurement range

10-14 ... 2x10-8 S/m on four ranges

resolution of conductivity measurements

10-14 S/m for conductivities up to 19.99 pS/m

 

10-13 S/m for conductivities up to 199.9 pS/m

 

10-12 S/m for conductivities up to 1.999.9 nS/m

 

10-11 S/m for conductivities up to 19.99 nS/m

uncertainty of conductivity measurements

±1 digit ±1% of indicated value

relative permittivity measurement range

0 ... 5

resolution of permittivity measurements 

0.001 for relative permittivities up to 1.999

 

0.01 for relative permittivities from 2.00 to 5.00

uncertainty of permittivity measurements

±1 digit ±2 % of indicated value

calibration of the test cell 

simple on-site adjustment for test cells from 50 to 70 pF

frequency of the measurement voltage

0.5 Hz

amplitude of the measurement voltage

±30 V square wave with no dc part

optional analogue outputs

one for conductivity, one for relative permittivity

analogue outputs voltage span

0 ... 2 V for 0 to 100% of chosen range, short circuit proof

weight

2.6 kg

size

290 x 255 x 115 (width x depth x height in mm)

power supply in the field

four batteries type AA alcaline for several hours of operation

power supply in the lab

universal mains adapter 100 ... 240 Vac 50/60 Hz delivering 6V DC

temperature (use)

0 ... 35ºC

temperature (stock)

-10 ... 50ºC

pressure

70 ... 106 kPa

humidity

5 ... 80% non condensing

acceleration 

< 2 g

 

Test Cell

required amount of liquid

210 ml

vacuum capacitance

≈60 pF

capacitance drift with temperature

< 50ppm/ºC

electrode gap

1.5 mm

material

stainless steel

electrical connection

two standard 50 Ω BNC plugs

temperature measurement

glass thermometer or electronic thermometer

weight

1.2 kg

size

122 x 82 (height x diameter in mm)

cables

·one BNC-BNC cable, 1m, red, for application of the excitation

 

·one BNC-BNC cable, 1m, black, ultra low noise for current measurement