Description of digital pen type water aquarium ph meter portable:
This product is designed for field or field operation.It is a portable precision instrument that can display both PH value and temperature.It can be used in water quality monitoring, aquaculture, environmental protection, printing and dyeing, electroplating, beverage industry and scientific research units to determine water quality PH.
Features of digital pen type water aquarium ph meter portable:
·Large digital high definition display screen ·Imported high precision sensitive electrode probe for more stable measurement ·Automatic calibration temperature compensation, simple operation, more accurate data ·Four button battery, easy to replace Specification of digital pen type water aquarium ph meter portable: Model | PH-20 | PH-220 | PH-20W | PH-220W | Measuring range | PH:0.1-14PH Temperature:0-50℃(32-122F) | PH:0.1-14PH Temperature:0-50℃(32-122F) | PH:0.1-14PH Temperature:0-50℃(32-122F) | PH:0.1-14PH Temperature:0-50℃(32-122F) | Resolution | PH:0.1PH Temperature:0.1℃ 1F | PH:0.01PH Temperature:0.1℃ 1F | PH:0.1PH Temperature:0.1℃ 1F | PH:0.01PH Temperature:0.1℃ 1F | Accuracy | PH:±0.1PH Temperature:1℃ /2F | PH:±0.02PH Temperature:1℃ /2F | PH:±0.1PH Temperature:1℃ /2F | PH:±0.02PH Temperature:1℃ /2F | PH calibrate | PH:25℃ Three-Points Calibration 4.0 6.9 9.2 | PH:25℃ Three-Points Calibration 4.01 6.86 9.18 | PH:25℃ Three-Points Calibration 4.0 6.9 9.2 | PH:25℃ Three-Points Calibration 4.01 6.86 9.18 | Electrode | Built-in battery | Built-in battery | External connection battery | External connection battery | Working temperature | 0-50℃(32-122F) | Power supply | 1.5V battery *4PCS | Dimension | 40*185mm | Weight | 88g |      |