1. Introdução
The Irfora PC102 is a portable digital water quality tester designed to quickly and accurately measure pH and chlorine (CL2) levels in swimming pools, spas, and other water sources. This manual provides essential information for the safe and effective use, maintenance, and troubleshooting of your device.
Principais características:
- Measures pH and CL2 levels.
- Large screen display for clear readings.
- Portable and handheld design.
- Recommended chlorine level for pools and spas: 1.2 ~ 1.7 ppm.
- Recommended pH level for pools and spas: 7.2 ~ 7.8 pH.
2. Informações de segurança
Precauções importantes de segurança:
- Do not immerse the main unit in water. The device is not waterproof.
- Probes are advised NOT to be immersed in any liquid other than pool or spa water.
- Mantenha o dispositivo fora do alcance de crianças.
- Handle the probes with care to avoid damage.
- Certifique-se de que o compartimento da bateria esteja bem fechado para evitar a entrada de água.
3. Conteúdo da embalagem
Verifique se todos os itens estão presentes na embalagem:
- 1 x Irfora PC102 PH and CL2 Probe Tester
- 1 x Sheet of Sandpaper
- 1 x Manual do Usuário (Inglês)
4. Produto acabadoview
Familiarize yourself with the components of your PC102 Water Quality Tester.

Figura 4.1: Frente view of the PC102 tester showing the pH and CL2 measurement scales.

Figure 4.2: The PC102 main unit connected to its probe via a coiled cable.

Figure 4.3: Dimensions of the PC102 tester and probe, along with the battery compartment location and PH/CL2 conversion button.
- Unidade principal: Contains the display, control buttons, and battery compartment.
- Sonda: Connected to the main unit via a coiled cable, used for water immersion.
- PH/CL2 Conversion Button: Located on the main unit, used to switch between pH and CL2 measurement modes.
- Tela de exibição: Shows the measurement results.
5. Configuração
5.1 Instalação da bateria
- Localize o compartimento da bateria na parte traseira da unidade principal.
- Abra a tampa da bateria.
- Insert one 1.5V AA battery, ensuring correct polarity. (Battery not included)
- Feche a tampa da bateria com segurança.

Figure 5.1: Illustration of the battery compartment and battery type (1x AA battery).
5.2 Initial Calibration (Recommended)
For accurate results, it is recommended to calibrate the meter before first use and whenever accuracy is suspected. Refer to the specific calibration instructions provided with your calibration solution (not included) or consult a pool/spa professional.
Note: The provided sandpaper sheet can be used to gently clean the probe tips if they appear corroded or dirty, which can affect accuracy. Use sparingly and with care.
6. Instruções de operação
Follow these steps to measure water quality:
- Prepare the Tester:
- Ensure the probes are clean and dry.
- Turn on the device by pressing the "PH/CL2" button.
- Selecione o modo de medição:
- Use the "CL2 / PH" switch on the main unit to select either Chlorine (CL2) or pH measurement mode.
- Immerse the Probe:
- Carefully immerse the probe into the water of the swimming pool or spa. Ensure the probe tips are fully submerged.
- Do not immerse the main unit.

Figure 6.1: The PC102 probe being used to measure water quality in a swimming pool.
- Leia a Medição:
- Wait for the reading on the large screen display to stabilize.
- Note the pH or CL2 level displayed.
- Compare to Recommended Levels:
- Recommended CL2 content for pools/spas: 1.2 ~ 1.7 ppm.
- Recommended pH value for pools/spas: 7.2 ~ 7.8.

Figure 6.2: Recommended CL2 and pH levels for swimming pools and spas, along with examples of use in various water environments.
- Remover e limpar:
- After measurement, remove the probe from the water.
- Rinse the probe with clean water and dry it thoroughly.
- Store the Tester:
- Desligue o dispositivo.
- Insert the probe into the designated slot on the main unit for convenient storage and portability.

Figure 6.3: The probe slot on the PC102 main unit for secure storage of the probe.
7. Manutenção
- Limpeza da Sonda: Always rinse the probe with clean water after each use and dry it thoroughly. If the probe tips become dirty or corroded, gently clean them with the provided sandpaper sheet.
- Armazenar: Store the PC102 in a cool, dry place away from direct sunlight and extreme temperatures. Utilize the probe slot for secure storage.
- Substituição da bateria: Replace the AA battery when the display becomes dim or the device fails to power on.
8. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| O dispositivo não liga. | Bateria descarregada ou instalada incorretamente. | Check battery polarity; replace with a new 1.5V AA battery. |
| Leituras imprecisas. |
|
|
| A tela está escura ou piscando. | Bateria fraca. | Replace the 1.5V AA battery. |
9. Especificações
| Recurso | Detalhe |
|---|---|
| Modelo | PC102 |
| Cor | Branco |
| Material | abdômen |
| Fonte de energia | 1 pilha AA de 1.5 V (não incluída) |
| Recommended CL2 Level (Pools & Spas) | 1.2 ~ 1.7 ppm |
| Recommended pH Level (Pools & Spas) | 7.2 ~ 7.8 pH |
| Probe with Handle Length | 150 mm / 5.91 polegadas |
| Item Size (Main Unit) | 180 x 125 mm / 7.09 x 4.92 polegadas |
| Peso do item | 193 g / 6.81 onças |
| Cable Length (Probe) | 2000 mm (2 metros) |
10. Garantia e Suporte
For warranty information or technical support, please refer to the retailer where the product was purchased or visit the official Irfora webGuarde o comprovante de compra como prova de aquisição.
