ADWA AD 310, User Manual, Page: 5 / 14

5
Each model is supplied complete with:
•
AD76309 conductivity probe with built-in tempera-
ture sensor and 1 m cable
• Calibration solution (20 ml sachet each):
• 1413 μ S/cm for AD310
• 1382 ppm for AD410
• Batteries (4 x 1.5V AA alkaline)
• Instruction manual
24
To freeze the reading on the LCD, press
the HOLD key from measurement mode.
The “H” tag lights up.
RANGE key is active while in “Hold” mode.
Press the HOLD key again to return to normal measurements.
HOLD FUNCTION