| category |
Product Name |
Basic functions and specifications |
| PH |
measurement range |
(-2.00 ~ 19.99)pH |
| resolution |
0.1/0.01 pH |
| accuracy |
Electricity meter: ± 0.01 pH, matching: ± 0.02 pH |
| input current |
≤2×10-12 A |
| input impedance |
≥1×1012 Ω |
| stability |
±0.01 pH/3h |
| Temperature compensation range |
(0~100) ℃ (automatic) |
| ORP |
measurement range |
-1999mV ~ 0 ~ 1999mV |
| resolution |
1mV |
| accuracy |
Electricity meter: ± 0.1% FS, matching: ± 15mV |
| conductivity |
measurement range |
Conductivity: (0.00~19.99) μ S/cm (20.0~199.9) μ S/cm (200~1999) μ S/cm (2.00~19.99) mS/cm (20.0~199.9) mS/cm TDS: (0~100) g/L Salinity: (0~100) ppt Electrical resistivity: (0~100) M Ω· cm |
| resolution |
0.01/0.1/1μS/cm 0.01/0.1 mS/cm |
| accuracy |
Electricity meter: ± 1.0% FS, matching: ± 1.5% FS |
| Temperature compensation range |
(0~50) ℃ (automatic) |
| electrode constant |
0.1 / 1 / 10 cm-1 |
| Reference temperature |
25 ℃, 20 ℃, and 18 ℃ |
| dissolved oxygen |
measurement range |
(0 ~ 40.00)mg/L(ppm) (0 ~ 200.0)% |
| resolution |
0.1/0.01 mg/L(ppm) 1/0.1 % |
| accuracy |
Electricity meter: ± 0.10 mg/L, matching: ± 0.40 mg/L |
| response time |
≤ 30 seconds (25 ℃, 90% response) |
| residual current |
≤0.1 mg/L |
| Temperature compensation range |
(0~45) ℃ (automatic) |
| Salinity compensation range |
(0~45) PPT (automatic) |
| Pressure compensation range |
(66~200) kPa (manual) |
| auto-calibration |
Air saturated with water; Water saturated with air |
| Electrode Type |
Polarographic formula |
| Other technical parameters |
Data storage |
200 sets |
| Storage Content |
Number, measurement value, measurement unit, and temperature value. |
| Power supply |
Two AA batteries (1.5V × 2) |
| Dimensions and Weight |
Instrument: (65 × 120 × 31) mm/180g; Suitcase: (360 × 270 × 76) mm/1.6Kg |
| Quality and Safety Certification |
ISO9001:2000, CE and CMC |
| working conditions |
Ambient temperature |
5~35 ℃ (0.01 level) |
| Ambient Humidity |
≤85% |
| IP rating |
IP57 dustproof and waterproof |