LWT-100
Technical data | 11
B-H87.0.01.DB214-1.0
25 / 26
11 Technical data
Measuring range
Conductivity
0 .. 2000 S/cm
0.00 .. 20.00 mS/cm
0.0 .. 100.0 mS/cm
Specific resistance
-
Salinity
0.0 .. 50.0 g/kg
TDS
0 .. 2000 mg/l
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
± 0.5 % 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 (ad-
justable 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
180 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.
