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pH و کانداکتیویتی متر مدل 430 ساخت کمپانی Jenway
• Simultaneous display of pH, conductivity and temperature
• Automatic or manual calibration
• Combined pH, conductivity and temperature probe
• Power on self check routine
• Auto-selecting ranges for both TDS and conductivity modes
The easy to use 430 is designed to readily withstand the rigours of field work, while reliably measuring pH and conductivity. The unit allows the simultaneous readout of pH, conductivity or TDS and temperature with switched ranges for both conductivity and TDS measurements.
Technical Specification
|
Parameter |
430 |
|
pH range |
0.00 to 14.00 (1 or 2 point calibration) |
|
pH resolution |
0.01 |
|
pH accuracy |
±0.02 |
|
Auto. buffer recognition |
4.00, 7.00, 9.22, 10.00 |
|
mV range |
– |
|
mV resolution |
– |
|
mV accuracy |
– |
|
Conductivity ranges |
5 auto–selected from 0 to 199.9mS |
|
Conductivity resolution |
0.01µS to 0.1mS |
|
Conductivity accuracy |
±0.5% ±2 digits |
|
Cell constant |
0.01 to 19.99 |
|
Automatic standard recognition |
10µS, 84µS, 1413µS, 12.88mS (with manual override) |
|
TDS range |
5 auto–selected from 0 to 199.9g/l |
|
TDS resolution |
0.01mg/l to 0.1g/l |
|
TDS accuracy |
±0.5% ±2 digits |
|
EC ratio (TDS) |
0.50 to 0.80 |
|
Temperature range |
–9.9 to 99.9°C |
|
Temperature resolution |
0.1°C |
|
Temperature accuracy |
±0.5°C |
|
ATC and manual |
0 to 99.9°C |
|
Temperature coefficient |
0.00 to 4.00%/°C |
|
Reference temperature |
18, 20 or 25°C |
|
Additional modes |
– |
|
GLP |
– |
|
Outputs |
– |
|
Connector |
mini–DIN |
|
Power |
2 AA batteries |
|
Size (l x w x d) |
175 x 75 x 35mm |
|
Weight |
250g |
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