Extech Instruments 445800 User Manual

User's Manual
Introduction
Congratulations on your purchase of Extech's Hygro-Thermometer Calendar Clock. This
professional meter, with proper care, will provide years of safe reliable service.

Specifications

Temperature Range
Humidity Range
Accuracy
Calendar range
Alarm snooze
Clock
Battery
Dimensions/Weight
Meter Description
1. Calendar key
2. Alarm key
3. Time/Year and Alarm/Snooze key
4. Setting key
5. UP and 12/24 Hour key
6. Down and C/F key
7. Minutes:Seconds display
8. Monthly calendar display
9. Week/Day/Month display
10. Temperature/Humidity display
11. Tilt stand
Operation
Powering the unit
Open the battery compartment and remove the plastic battery tab to turn on the unit.
Real Time Setting
1. Press and hold the Setting key for 1 second until the hours display blinks.
2. Use the Up/Down keys to set the correct value (observe the PM setting).
3. The Setting key advances through the settings (Hour / Minute / Day / Month / Year).
Hygro-Thermometer Calendar Clock
o o
14 to 140 F or -10 to 60 C (selectable)
20% to 90% RH
o o
Temperature: 5 F (±3 C)
Relative Humidity: ±5%RH from 30 to 80% RH
Up to 12-31-2050 (December 31, 2050)
4-minute interval2 (4 times max.)
12 hour or 24 hour clock (selectable)
One CR-2032 button battery
3.4 x 3.5 x 1" (86.4 x 89 x 25.4mm) / 5oz.
10
9
6 5 4 3 2 1
Model 445800
7
8
11