Máy đo chỉ số của nước Extech EC500, PH, TDS, độ dẫn của nước, độ mặn, nhiệt độ

• 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, °C, °F
• Analog bargraph indicates trends
• Memory stores up to 25 labeled readings
• Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio
• RENEW feature alerts user when electrode needs replacement
• Auto power off and low battery indicator
• Waterproof to IP57

Phụ kiện kèm theo thiết bị Extech EC500 bao gồm:

• electrode
• protective sensor cap
• sample cup with cap
• four 3V CR-2032 batteries
• 48" (1.2m) neckstrap