Basic Specifications - Extech Instruments LT250W Quick Start Manual

DISPLAY SYMBOLS
1. Bluetooth active
2. Illuminance measurement
3. MAX/MIN memory modes
4. Data Hold
5. Low battery symbol
6. Units of measure
7. x10 and x100 indicators

BASIC SPECIFICATIONS

Display type
Low battery indication
Operating conditions
Storage conditions
Illuminance ranges
0 to 9999 Lux
≧ 10,000 Lux
≧ 100,000 Lux
Readings above 9999 are accompanied by a x10 or x100 display indicator
Foot candle (Fc) readings are converted from Lux measurements
#NAS100081; r. AA/78961/78963; en-US
4 digit backlit LCD
Replace batteries when battery symbol
appears
32 to 104℉ (0 to 40℃); < 80% RH
-4 to 140℉ (-20 to 60℃); < 75% RH
Resolution
1 Lux
10 Lux
100 Lux
Accuracy (% of reading)
± (4% + 8 digits)
± (5% + 10 digits)
± (5% + 10 digits)
3