The pH electrode detector is accurate and reliable, providing nearly instantaneous readings. Working voltage: 5 ± 0.2 V Working current: 5–10 mA Measurable pH range: 0–14 Measurement temperature range: 0–80°C Response time: ≤ 5 seconds Stabilization time: ≤ 60 seconds Component power consumption: ≤ 0.5 W Operating temperature: –10°C to 50°C (nominal: 20°C) Operating humidity: up to 95% RH (nominal: 65% RH) Dimensions: 42 mm × 32 mm × 20 mm Output: Analog voltage signal pH range: 0–14 Temperature range: 0–80°C Alkaline error: ≤ 15 mV Theoretical accuracy: 98% Internal resistance: ≤ 250 mΩ Response time: ≤ 1 minute Operating temperature: 0–60°C Connector type: BNC BNC connectors are compatible with most pH meters and controllers. Note: Slight variations in appearance may occur between production batches; this does not affect functionality. Color: As shown Material: PCB Package includes: 1 × pH test sensor Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.