Extech EC500 جهاز قياس درجة الحموضة و التوصيلية

Description :

• combination flat surface pH electrode with autoranging high accuracy conductivity cell
• Measures 5 parameters including conductivity, TDS, salinity, pH, and temperature using one electrode
• 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, Celsius, Fahrenheit
• Analog bargraph indicates trends
• Memory stores up to 25 labeled readings

Specifications :

Display 2000 count LCD with Bargraph
pH Range 0.00 to 14.00
pH Accuracy ±0.01 pH typical
pH ATC Range 0°C to 90o
C (32°F to 194o
F)
pH Reference Junction Permanent gel, non-refillable
Conductivity ranges 0 to 199.9µS/cm
 200 to 1999µS/cm
 2.00 to 19.99mS/cm
TDS ranges 0 to 99.9ppm or mg/L
(Variable ratio) 100 to 999ppm or mg/L
1.00 to 9.99ppt or g/L
Salinity range 0 to 99.9ppm
(Fixed ratio of 0.5) 100 to 999ppm
1.00 to 9.99ppt
TDS Ratio 0.4 to 1.0 adjustable
Salinity Ratio 0.5 Fixed
Conductivity ATC 2.0% per o
C
Temperature Range -5.0°C to 90.0o
C (23.0°F to 194o
F)
Temperature Resolution 0.1 up to 99.9, 1 >100
Temperature Accuracy ±1°C; 1.8°F (from -5 to 50°C; 23 to 122°F)
 ±3°C; 5.4°F (from 50 to 90°C; 122 to 194°F)
Conductivity ATC Range 0.0°C to 60.0o
C (32.0°F to 140o
F)
Accuracy Conductivity: ±2% full scale
TDS: ±2% full scale
Salinity: ±2% full scale
Measurement Storage 25 tagged (numbered) readings
Low battery indication ‘BAT’ appears on the LCD
Power Four (4) CR2032 Lithium Ion Batteries
Auto power off After 10 minutes (override available)
Operating conditions -5°C to 50o
C (23°F to 122o
F)
Dimensions 40 x 200 x 40 mm (1.6 x 7.9 x 1.6”)
Weight 93 g (3.3 oz)