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| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | AquaTester 10 |
| Instrument Type | Portable |
| Measurement Principle | Visual Colorimetric Comparison (DPD & BTB Methods) |
| Measured Parameters | Free Chlorine, Total Chlorine, Residual Chlorine, pH, Total Hardness (as CaCO₃) |
| Range | Free Chlorine: 0.05–2.0 mg/L (low-range DPD) |
| Total/Residual Chlorine | 10–200 mg/L (high-range HOCl-K) |
| pH | 5.8–8.6 |
| Total Hardness | 5–300 mg/L as CaCO₃ |
| Accuracy | ±2% of reading |
| Repeatability | ±3% RSD |
| Resolution | 1 ppm (for chlorine parameters) |
| LOD | 1 ppm |
| Included Reagents | 50× DPD-F-1 (free chlorine), 50× DP-TL-1 (total chlorine), 50× RC-7Z (active chlorine), 18 mL BTB-7Z (pH indicator), 18 mL BTS liquid reagent (pH), and TH-7Z hardness reagents |
| 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 | Rikori |
|---|---|
| Origin | Japan |
| Model | H2O2-V7 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Photometry (254 nm LED source) |
| Measurement Parameter | Hydrogen Peroxide (H₂O₂) |
| Range | 0–4000 mg/L (ppm) |
| Accuracy | ±2% of full scale |
| Repeatability | ±2% of full scale |
| Resolution | 1 mg/L |
| Detection Limit | 0.5 mg/L |
| Response Time | ≤10 s |
| Operating Temperature | 1–35 °C |
| Power Supply | DC 6 V |
| Dimensions | 88 × 174 × 65 mm |
| Weight | 310 g |
| Compliance | Designed for industrial process monitoring per ISO 7027 principles (UV absorbance-based quantification), compatible with GLP-aligned data recording workflows |
| Brand | Kasahara |
|---|---|
| Origin | Japan |
| Model | RC-V2 |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameters | Chlorine Dioxide (ClO₂) and Total/Free Available Chlorine |
| Measurement Range | 0–200 g/L (multi-range, auto-ranging) |
| Accuracy | ±5% of reading |
| Repeatability | ≤2% RSD |
| Detection Limit | 0.01 mg/L (at lowest range) |
| Wavelengths | Triple-wavelength optical system (515 nm, 550 nm, 610 nm) |
| Compliance | Designed for HACCP-aligned disinfection process control |
| Power Supply | Rechargeable Li-ion battery (≥8 hrs continuous operation) |
| 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 |
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