Instructions

Size (DewK)HxWxD 125 x 211 x 51 mm (4.9 x 8.3 x 2.0 in)
Size (Probes) 79 mm H x 19 mm dia. (3.1 x 0.75 in)
Weight 0.7kg(1.5lb.)
3.2 Environmental Conditions
Although the instrument has been designed for optimum durability and trou
-
ble-free operation, it must be handled with care. The instrument should not be
operated in an excessively dusty, dirty, or wet environment. Maintenance and
cleaning recommendations can be found in the Maintenance section of this
manual.
•
For full accuracy, operate the instrument within the calibrated temperature
and relative humidity range of the sensors.
1620A DewK
•
Operating Temperature: 0°C to 50°C (32°F to 122°F)
• Relative Humidity: 0% to 70% RH
2626-H/S
• Operating Temperature: 0°C to 50°C (32°F to 122°F)
• Relative Humidity: 0% to 100% RH
AC Adapter
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Relative Humidity: 5% to 90% non-condensing de-rating from 40°C lin-
early to 50% at 70°C
General to all
•
Pressure: 75 kPa-106 kPa
•
Vibration should be minimized
•
Altitude less than 2,000 meters
•
Indoor use only
1620A “DewK” Thermo-hygrometer
User’s Guide
10