Model | PH-20 | PH-220 | |
Measuring range | PH:0.1-14.0PH | PH:.0.01-14.00PH | |
Temperature | 0-50℃ 32-122F | 0-50℃ 32-122F | |
Resolution | PH:0.1PH temperature:0.1 ℃/ 2F | PH: ±0.05PH temperature:1 ℃/ 2F | |
PH correct | PH:25℃ Three point calibration 4.0 6.9 9.2 | PH:25℃ Three point calibration 4.01 6. 86 9.18 | |
voltage | 1.5V battery(LR44)*4 PCS | ||
Size | Φ40*185mm | ||
weight | 88KG |