
| Model | FCL202/FCL201 |
|---|---|
| Measuring Range | 0~3.00mg/L(FCL202);0~10.00mg/L(FCL201) |
| Light Source | LED |
| Wavelength | 525nm |
| Screen Display | LCD with backlight |
| Measurement Mode | Concentration |
| Reading Division | 0.01mg/L |
| Test Accuracy | ≤±5% |
| Sample Vessels | 10ml round |
| Power Supply | 4 × AAA batteries |
| Operating Environment | 0~40°C, relative humidity ≤90% |
| Dimensions | 159×68×35mm |
| Weight | Approx. 220g (with battery) |
| Applications | Water treatment, environmental monitoring, laboratories, food & beverage, aquaculture |
| Certifications | Manufactured under ISO 9001 QMS · CE/RoHS/FDA compliance varies by model (certificates available upon request) |
FCL201 与 FCL202 是基于 DPD 法的便携式余氯比色计。FCL201 覆盖游离氯与总氯,量程至 10.00 mg/L;FCL202 收窄到 0–3.00 mg/L,面向饮用水常见的低值区间;两者均以 525 nm LED 光源测量,精度 ≤±5%。
测量结果以 mg/L 浓度直接在背光 LCD 上读出,分辨率 0.01 mg/L。每次测试使用 10 ml 圆形比色瓶,主机由 4 节 AAA 电池供电,机身 159 × 68 × 35 mm、重约 220 g——适合泳池边、水厂与现场巡检的口袋级套装。
DPD 是什么?
DPD(N,N-二乙基对苯二胺)是一种遇氯呈粉红色的试剂;颜色深浅与氯含量成正比,由仪表在 525 nm 波长读取。
游离氯与总氯有何区别?
游离氯是测试当下有效的消毒剂;总氯是游离氯加上与氨、有机物反应生成的化合氯。DPD 法直接读取游离氯,加入总氯试剂步骤后再读总氯。
该选哪个型号?
饮用水余氯等低位检测选 FCL202(量程 0–3.00 mg/L);冲击投加或工艺水等更高、波动更大的场合,FCL201 可测至 10.00 mg/L。
工作条件如何?
主机由 4 节 AAA 电池供电,工作温度 0–40 °C、相对湿度 ≤90%,测试使用 10 ml 圆形比色瓶。
This product is sourced factory-direct from a certified Chinese manufacturer. You pay the factory price — no markup. Our income comes from the export tax rebate, not from your bill.