Extech 445702 Manual

Extech Måleudstyr 445702

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445702- -US_V3.3 8/23 en

User Manual

Hygro-Thermometer Clock

Model 445702

Introduction

Congratulations on your purchase of the Extech 445702 Hygro-Thermometer Clock. This instrument

displays Time (12/24 hour clock), Temperature (C or F), and Relative Humidity % simultaneously. The

housing can be wall mounted or placed on a table-top using the built-in tilt stand. Features include

MIN/MAX displays and programmable Alarm Clock. Careful use of this device will provide years of reliable

service.

Specifications

Display Three LCD views for Time, Temperature, & Relative Humidity

Ranges Temperature: 14 to 140oF (-10 to 60oC) Relative Humidity: 10 to 85% ;

Resolution Temperature: 10. o F/C; Humidity: 1%

Accuracy Humidity: ± 6% in the 25 to 80% range & from 32 to 122oF (0 to 50oC)

Temperature: ±1.8 oF (±1oC) from ± 14 to 122oF (-10 to 50oC)

Power supply Battery One (1) ‘AAA’ 1.5V

Low Battery Battery icon appears on the lower LCD when the battery is to be replaced

Dimensions 4.3 x 2.8 x 0.8" (109 x 71 x 20mm)

Weight Approx. 4 oz. (11 ) with battery 3g

Description

1. Clock display

2. Temperature display

3. Humidity display

4. Temp/Humidity Sensor

5. MAX / MIN button

6. RESET / AL (Alarm) button

7. CLOCK butt on

8. ADVANCE button

9. Alarm on-off switch

10. Alarm speaker

11. Tilt Stand

12. Battery compartment

13. Temperature unit switch s

14. Wall mount

Operation

Getting Started

1. Open the battery compartment by sliding the battery compartment cover off in the direction of the

arrow (rear of meter). Remove the battery safety strip. The displays should switch on. If the displays

do not switch on, replace the battery. Replace the battery compartment cover.

2. Remove the clear protective decal from the meter’s displays.

Selecting oC/oF units of measure and the 12/24 clock modes

Use the oC/oF slide switch on the back of the meter to select the desired temperature unit of measure.

When the instrument is programmed for oF temperature operation, the clock will be in the 12-hour mode.

When the instrument is programmed for oC temperature operation, the clock will be in the 24-hour

(military time) mod e.

MAX-MIN Record and Recall Operation

1. Press MAX/MIN. The highest readings recorded since the Reset button was pressed appear in the

display.

2. Press the MAX/MIN button again to display the lowest values since the Reset button was last pressed.

3. Press the RESET button while in the MAX-MIN display to clear the memory and start recording new

MAX-MIN values.

4. Press the MAX/MIN button again to return to normal display operation.

Setting the Clock

1. Press and hold the CLOCK button until the hour digits begin to flash

2. Use the ADVANCE button to set the hour

3. Press the CLOCK button again; the minutes digits will begin to flash

4. Use the ADVANCE button to set the minutes

5. Press the CLOCK button to exit the time setting mode

Setting the Alarm Clock

1. Press the RESET/AL button. e CLK ALARM icon appears on the lowest LCD display and the hours Th

digits will flash.

2. Press the AL/ON OFF button on the rear of the instrument. The alarm BELL icon will appear on the top

LCD display. Press the AL/ON OFF button again if you wish to disable the alarm (alarm bell icon will

switch off).

3. Use the ADVANCE button to select the alarm hour.

4. Press the RESET/AL button again; the minutes digits will flash.

5. Use the ADVANCE button to select the alarm minutes.

6. Press the RESET/AL button to exit. The CHK ALARM icon will switch off and the bell icon will remain on.

7. When the clock time equals the alarm time, the buzzer will sound for 1 minute.

8. To silence the buzzer, press any button on the instrument.

ISO-9001 Certified

www.extech.com

Produkt Specifikationer

Mærke:	Extech
Kategori:	Måleudstyr
Model:	445702

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