Rikari
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| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | DO-11Z |
| Instrument Type | Portable |
| Measurement Principle | Galvanic Cell Electrochemical Probe |
| Measurement Range | 0–20 mg/L |
| Accuracy | ±2% of reading |
| Repeatability | ±2% of reading |
| Detection Limit | 0.01 mg/L |
| Sensor Type | Cylindrical OXNIT Galvanic Probe with Replaceable Membrane |
| Enclosure Rating | IP67 |
| Display Resolution | Adjustable between 0.01 mg/L and 0.1 mg/L |
| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | RC-3F |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameter | Free Chlorine (as Cl₂) |
| Range | 0–500 mg/L |
| Accuracy | ±2% of reading |
| Repeatability | ±2% RSD |
| Resolution | 1 mg/L |
| LOD | 1 mg/L |
| Power | 4 × AAA alkaline batteries (DC 6 V) |
| Operating Temperature | 5–35 °C |
| Dimensions | 75 × 180 × 38 mm (W × D × H) |
| Sample Volume | 5 mL |
| Reagent | HOCl-K-1 powder packet (single-use, pre-dosed) |
| Display | 3-digit LCD |
| Auto-off | 5 seconds after measurement |
| Hold function | Yes |
| Over-range alert | Flashing display above 550 mg/L |
| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | RC-V7 |
| Instrument Type | Portable |
| Measurement Principle | UV-LED Absorption Photometry (Deep UV, 254 nm) |
| Measured Parameter | Residual Chlorine (as Cl₂), Chlorine Dioxide (ClO₂) |
| Range Mode 1 | 0–1000 mg/L |
| Range Mode 2 | 0–500 mg/L |
| Accuracy | ±1% of reading |
| Repeatability | ±2% (under controlled conditions) |
| Resolution | 1 mg/L |
| LOD | 1 mg/L |
| Operating Temperature | 1–35 °C |
| Power Supply | 4 × AA alkaline batteries (DC 6 V) |
| Weight | ~310 g |
| Brand | Rikari |
|---|---|
| Origin | Japan |
| Model | TRC-30 |
| Measurement Principle | Dual-Beam Transmittance Photometry (Spectrophotometric Method) |
| Turbidity Range | 0.0–50.0 NTU (Polystyrene Standard) |
| Color Range | 0.0–50.0 Pt-Co Units (Platinum-Cobalt Scale) |
| Resolution | 0.01 unit (0.0–9.99), 0.1 unit (10.0–50.0) |
| Repeatability | ±0.2 units under specified conditions |
| Operating Temperature | 5–35 °C |
| Protection Rating | IP63 (Dust-Resistant & Drip-Protected) |
| Power Supply | 4 × AA Alkaline Batteries (DC 6 V) |
| Dimensions | 54 × 38 × 350 mm |
| Weight | Approx. 300 g |
| Calibration | Zero-point with deionized water |
| Compliance | Aligns with MHLW Ordinance on Water Quality Standards for Public Water Supply (Japan), Industrial Water Testing Methods, and JIS K 0102 Annex B (Transmittance Method) |