The Model 430 Combination
Conductivity / pH Meter
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The 430 offers 1 or 2 point pH calibration and automatic buffer recognition with manual override. Conductivity calibration can be performed on standard solutions or by direct cell constant entry. The conductivity/TDS range is automatically selected for optimum resolution and temperature compensated using an adjustable temperature coefficient. The 430 is supplied with a combined pH and conductivity probe assembly (a temperature sensor is also incorporated to provide automatic temperature compensation). The probe connects to the instrument via a single mini-DIN connector for operator convenience. An indication of battery life is also permanently shown on the display. An automatic switch off facility helps to conserve battery life. The Model 430 is housed in a robust, ergonomically designed case that is environmentally protected to IP65. This product is ideal for field or any portable situation. |
Model 430 Specifications
|
pH Range (1 or 2 point cal) |
0 to 14pH |
|
Resolution |
0.01pH |
|
Accuracy |
±0.02pH |
|
Conductivity Ranges |
5 switched ranges: 0 to 19.99µS - 0 to 199.9mS |
|
Resolution |
0.01µS, 0.1µS, 1µS, 0.01mS, 0.1mS |
|
Accuracy |
±0.5% ±2 digits |
|
TDS Ranges |
5 switched ranges: 0 to 19.99mg/l - 0 to 199.9g/l |
|
Resolution |
0 01mg/l, 0.1mg/l, 1mg/l, 0.01g/l, 0.1g/l |
|
Accuracy |
±0.5% ± 2 digits |
|
Temperature Ranges |
-9.9 to +99.9°C/14 to 212°F |
|
Resolution |
0.1°C / 1°F |
|
Accuracy |
± 0.5°C / ± 1°F |
|
ATC Range |
0 to 99.9°C / 32 to 212°F |
|
Manual Temp. Comp. |
0 to 99.9°C / 32 to 212°F |
|
Auto Buffer Recognition |
4, 7, 9.22 and 10.00 (manual override facility) |
|
Auto Standard Recognition |
10µS, 84µS, 1413µS, 12.88mS |
|
Cell Constant |
0.01 to 19.99 |
|
EC Ratio (TDS) |
0.50 to 0.80 |
|
Reference Temperature |
18, 20 or 25°C |
|
Temperature Coefficient |
0.00 to 4%/°C |
|
Power |
2 AA cells |
|
Battery Life |
100 hours typical (@25°C with alkaline cells) |
|
Size |
175(l) x 75(w) x 35(d) mm |
|
Weight |
250g |
Model
430 Order Codes
|
430 271 |
Model 430 pH/Conductivity Meter supplied in FREE carry case with combined pH/conductivity probe with ATC (430 231), pH 4,7 and 10 buffer sachets, batteries (fitted) and operating instructions. |
|
399 241
|
Enterprise Portable Electrochemistry Kit comprising Models 370 pH meter, 470 conductivity meter and 970 dissolved oxygen meter. Supplied with carry case, epoxy combination pH electrode, ATC probe, buffer sachets, conductivity probe, DO(sub>2 probe, spare membranes & KCl fill solution, zero calibration salts, batteries (fitted) and operating instructions |
Accessories
| 033 268 Carry case | |
| 903 400 Bench stand with electrode holder | |
| 021 007 Battery (2 required for each meter) | |
 click to enlarge |
924 068 Environmental pH electrode |
 click to enlarge |
924 069 Food electrode |
| 430 231 Replacement combined pH/conductivity probe | |
| 924 067 Replacement pH probe | |
| 025 139 Calibration standard 10µS | |
| 025 138 Calibration standard 1413µS | |
| 025 156 Calibration standard 12.88mS | |
| 025 164 Calibration standard 84µS |
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