beautypg.com

Sper Scientific 800021 RH/Temp SD Card Logger User Manual

Page 19

background image

- 19 -

MEASUREMENT

PROCEDURES

Turning the Unit On/Off

1. Press POWER to turn the meter

on.

2. Press and hold POWER for 2

seconds to turn the meter off.


Selecting the Function

1. Press and hold FUNC to cycle

through the options listed below.
Release FUNC when you reach
the desired function.



Humidity/temperature

“rH” appears on the LCD.

Dew point

“dP” appears on the LCD.

Wet bulb

“Et” appears on the LCD.

Type K/J thermometer

“tP” appears on the LCD.