Bio-Rad Model EG-1 Econo™ Gradient Monitor User Manual
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Appendix C
Technical Specifications
General
Operating mode
Conductivity, in units of Siemens (See
Section 1)
Operating temperature
4-40 °C
Sensitivity ranges (full scale) 0-10µS, 0-100µS, 0-1000µS, 0-10mS
Output signal
0-1 Volt
Power requirements
90-264 V, 50-60 Hz (depending upon
power adaptor used)
Power consumption
20W maximum
Noise
Short Term: < 0.1 µS
Long Term: < 0.5 µS
Linearity
+/-0.5 % full scale
Accuracy
+/-2 % full scale
Drift
< 0.5 µS/hour/°C
Dimensions
Control Unit:
15.60 x 22.86 x 8.89 cm (W x L x H)
Flow Cell:
3.1 cm diameter by 3.8 cm length
Weight
Control Unit: 600g
Case Material
Chemical and fire resistant polypropylene
Regulatory
CSA: C22.2 No. 151-M1986
Compliance:
TÜV: EN61010-1:1993
CE: EN55011: 1991 Class A
EN50082-2:1995
Flow cell
Type
Flow through, externally mounted
Temperature compensation
0-60 °C
Internal volume
8 µl, swept volume
Cell constant
Approximately 40*
Maximum operating pressure 60 psi, 4 bar, or 0.41 mPa
Cable length
1.22 M
Wetted Parts
Titanium, Kel-F and Tefzel
Fittings
Removable luer (Will also accept 1/4”-28
flat bottom fittings)
* Most applications do not require an exact cell constant. If it is necessary
to determine the exact cell constant, Bio-Rad‘s Conductivity Standard,
catalog number 167-0445, can be used.
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