HACH LDO Model 2
Key Specifications
| Brand | HACH |
|---|---|
| Model | LDO Model 2 |
| Category | Online Analysis Sensors |
| Measured parameters | 溶解氧(DO)、温度 |
| Sensor technology | 荧光法光学溶解氧(Luminescent Dissolved Oxygen),无膜片、无电解液 |
| Measuring range | 0 ~ 20.00 mg/L(ppm);0 ~ 200% 饱和度。分辨率 0.01 mg/L(0.1% 饱和度) |
| Accuracy | ±0.05 ppm(<5 ppm);±0.1 ppm(>5 ppm);温度 ±0.2 ℃。重复性 ±0.1 ppm |
| Process temperature | 0 ~ 50 ℃ |
| Process pressure | ≤ 3.5 bar(官方另一产品页标 1050 kPa,口径不一,须按订货号确认) |
| Wetted materials | 探头本体 CPVC / 聚氨酯 / FKM / Noryl / 316 不锈钢;荧光帽 丙烯酸树脂 |
| Process connection | 官方未公布(浸入式安装,需另配安装支架) |
| Electrical connection | 快插接头(标准配 10 m 电缆) |
| IP rating | IP68 |
| Explosion protection | ETL cETLus 认证,Class I, Division 2 危险场所 |
| Response time | T90 < 40 s;T95 < 60 s |
| Cable length | 10 m(快插接头) |
| Calibration | 出厂 3D 标定,使用中无漂移;配 Prognosys 支持预测性维护 |
| Self-diagnostics | Prognosys 预测性诊断系统;可自定义维护提醒与诊断报警;荧光帽寿命可预测 |
| Regulatory standards | ETL(cETLus,加拿大/美国通用安全与危险场所 Class I Div.2);兼容 Claros 水务智能系统 |
| Dimensions | Ø48.25 × 254 mm;1.0 kg(仅探头) |
| Operating conditions | 浸入深度 ≤ 34 m(345 kPa);流速无要求(官方另一产品页标 ≤ 15 m / 1050 kPa,口径不一) |
| Transmission distance | ≤ 1000 m(配接线盒);≤ 100 m(配延长线) |
| Warranty | 探头 36 个月;荧光帽 24 个月 |
| Certifications | 抗干扰:不受 H2S、pH、K+、Na+、Mg2+、Ca2+、NH4+、各类重金属离子、阴离子表面活性剂、原油等干扰(Cl2 < 4 ppm) |
Data Notes
Notes: 浸入深度与压力限值在官方不同产品页口径不一:本型号页为 34 m / 345 kPa,「LDO 2 sc」页为 15 m / 1050 kPa。选型前须按具体订货号向厂商确认。
Data Sources
- Product page: https://www.hach.com/p-hach-ldo-model-2-optical-dissolved-oxygen-probe-for-class-1-division-2/9020000-C1D2
- Datasheet: https://www.hach.com/p-hach-ldo-model-2-optical-dissolved-oxygen-probe-for-class-1-division-2/9020000-C1D2
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