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 |