XS Tester PX4 – KIT is an IP67 portable pH and ORP / Redox watertight meter. Resolution 0.01 pH and 0.1 / 1 mV. Equipped with a microprocessor and highly durable interchangeable combined electrode. Large 3-color LCD display indicating the buffers used for calibration and measurement stability. 3-point button calibration with 5 US buffer values for an accuracy of +/- 0.01 pH and ORP calibration on a user-defined point. Read mV for pH electrode diagnosis and for ORP/Redox measurement. Temperature reading. Auto power off. Automatic temperature compensation (0…60 °C). Self-diagnosis messages: low batteries, calibration errors. Power supply: 2 x 1.5V AAA batteries, included, also compatible with rechargeable batteries. The kit includes: buffer solutions pH 7 and pH 4 in 25 ml sachets, 1x75ml 475 mV Redox solution, preservation solution in sachet, calibration cap, strap, tissues, and cardboard case. 1 year warranty on the electronic part.
Measurement range: pH: -2.00…+16.00 (0.01 pH); mV: -1000 … +1000 mV; °C: 0.0 to 60.0 (0.1 °C).
Data Sheet (Serbian):
| Features | PX 4 Tester Kit |
|---|---|
| Accuracy (pH) | ±0.01 pH |
| Accuracy (Temperature) | ±0.2 °C |
| Power supply | 2 x AAA batteries 1.5 V |
| Description | PX 4 Complete Kit |
| Display | 3-color backlit LCD |
| Battery life | > 200 hours |
| IP rating | 67 IP |
| Stability indication | Yes |
| Name | PX 4 |
| Regulations | CE |
| Parameters | pH – mV – ORP – T |
| Weight | 0.13 kg |
| ORP calibration points | 1 user-defined point |
| pH calibration points | 1 … 3 |
| Measuring range mV | -1000 … +1000 mV |
| ORP mV measuring range | -1000 … +1000 mV |
| pH measuring range | -2.00 … 16.00 pH |
| Temperature measuring range | 0.0 … +60.0 °C |
| ORP resolution | 0.1 / 1 (automatic scale) mV |
| pH resolution | 0.01 pH |
| Temperature resolution | 0.1 °C |
| Replaceable sensor | Yes |
| Auto off | After 8 minutes |
| Recognised pH buffers | 5 US pads |
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