VWR 663-0349, Operating Manual

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11 | Technical data LCO304
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11 Technical data
Measuring range Conductivity 0.000 .. 2.000 µS/cm
0.00 .. 20.00 µS/cm
0.0 .. 100.0 S/cm
Specific resistance 10.0 .. 200.0 kΩ/cm
0.010 .. 2.000 MΩ/cm
0.01 .. 20.00 MΩ/cm
Salinity -
TDS -
Temperature -5.0 .. +105.0 °C (23.0 .. +221.0 °F) – the conductivity measur-
ing cells can be exposed temporarily to temperatures of up to
100 °C and permanently to temperatures of up to 80 °C.
Accuracy Conductivity Typ. ± 1 % of measured value ± 0.5 % FS
Temperature ± 0.3 °C
Measuring cycle approx. 10 measurements per second
Updating of the display approx. 2 times per second
Display 3-line segment LCD, additional symbols, illuminated (adjustable
white, permanent illumination)
Additional functions Min/Max/Hold
Compensation Offset and gradient correction - temperature,
Gradient correction - conductivity
Housing Break-proof ABS housing
Protection rating IP65 / IP67
Dimensions L*W*H
[mm] and weight 108 * 54 * 28 mm without measuring cell or kink protection
210 g, incl. battery and measuring cell
Operating conditions -20 to 50 °C; 0 to 95 % r.h. (temporarily 100 % r.h.)
Storage temperature -20 to 70 °C
Power supply 2*AA battery (included in the scope of delivery)
Current requirement/
battery life
approx. 2.2 mA, approx. 3.5 mA with lighting
Service life > 1000 hours with alkaline batteries (without back-
lighting)
Battery indicator 4-stage battery status indicator,
Replacement indicator for depleted batteries: "BAT"
Auto-power-OFF function The device switches off automatically if this is activated
Directives and standards The devices conform to the following Directives of the Council
for the harmonisation of legal regulations of the Member States:
2014/30/EU EMC Directive
2011/65/EU RoHS
Applied harmonised standards:
EN 61326-1:2013 Emission limits: Class B
Immunity according to Table 2
Additional errors: < 1 % FS
EN 50581:2012
The device is intended for mobile use and/or stationary opera-
tion in the scope of the specified operating conditions without
further limitations.