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6 CARE & MAINTENANCE (continued)
The Elcometer 138 Conductivity Meter incorporates a Liquid
Crystal Display. If the display is heated above 50°C (120°F) it
may be damaged. This can happen if the conductivity meter is
left in a car parked in strong sunlight.
Always store the components of the Elcometer 138 Bresle Kit and
Patches in the carrying case when the kit is not being used.
The Elcometer 138 Conductivity Meter does not contain any user-
serviceable components. In the unlikely event of a fault, the meter
should be returned to your local Elcometer supplier or directly to
Elcometer Limited - contact details can be found on our website,
www.elcometer.com. The warranty will be invalidated if the instrument
has been opened.
7 TECHNICAL SPECIFICATION
7.1
BRESLE PATCH
Patch Size
Test Area
Sample Volume
7.2
CONDUCTIVITY METER
Measurement Principle
Measurement Mode
Conductivity Range &
Repeatability
Display
Measurement
Temperature
Dimensions
Weight
Battery Type
en-13
R
5cm x 5cm
12.5cm
3ml
2 AC Bipolar Method
Conductivity
0 - 199µS/cm
0.2 - 1.99mS/cm
2 - 19.9mS/cm
Liquid Crystal Display (LCD); 2½ digits
5°C to 40°C (41°F to 105°F)
164 x 29 x 20mm (6.5 x 1.1 x 0.79")
47g (1.7 oz) - including batteries
2 x CR2032 lithium
2
±5µS/cm
±0.05mS/cm
±0.5mS/cm
www.elcometer.com
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