Yieryi มิเตอร์วัดค่า Ph 1 ชิ้น + เครื่องทดสอบคุณภาพน้ํา 1 ชิ้น Tds Meter 30 %
pH-2 meter
Features:
100% brand new and high quality
Calibration Method: 2 points automatic calibration
Probe Type: Precision glass bulb electrode
Display: LCD Digital
Specifications:
Accuracy: 0.01
Resolution: 0.01
Measuring Range: 0.00~14.00
Operating Temperature: 0~80°C
Power Supply: 2*1.5V Batteries
Size:155*29*16mm
TDS meter
Features:
Test the quality of various water ensuring you are enjoying the best quality water.
Ideal for using in the following situations: drinking water water filters hydroponics aquariums food&coffee pools&spas.
TDS range: 1-9999PPM/mg / L.
Auto shut-off: 10minutes.
Data hold. Auto temperature compensation.
Specifications:
Accuracy: ±2%.
Dimensions: 14.2*2.3*1.3(CM)
Battery: 2×LR44 cell batter
Come with a leather case.