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| Brand | LiquriTech |
|---|---|
| Model | LQ-5Z-H2SO4 |
| Origin | Japan |
| Detection Principle | Conductivity-Based Electrochemical Measurement |
| Measurement Range | 0.00–2.00% H₂SO₄ (w/w) |
| Sample Temperature Range | 0.0–40.0 °C |
| Electrode Material | PPS (Polyphenylene Sulfide) Body with Stainless Steel Sensing Elements |
| Temperature Compensation | Automatic (NTC-based, 0–40 °C) |
| Calibration | Zero & Span Calibration via Manual Adjustment |
| Ingress Protection | IP66 |
| Power Supply | 3 × LR03 (AAA) Alkaline Batteries with Auto-Shutdown |
| Electrode Cable Length | 1 m |
| Instrument Dimensions | 38(H) × 75(W) × 180(D) mm |
| Electrode Dimensions | Ø17 × 180 mm |
| Instrument Weight | ~300 g |
| Electrode Weight | ~50 g |
| Compliance | CE-marked for industrial use |
| Brand | KOMYO RIKAGAKU |
|---|---|
| Origin | Japan |
| Model | 121U, 140SA |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Measuring Range | AsH₃ 0.2–10 ppm (typical for 121U |
| Sampling Volume | 100 mL (standard with AP-20 pump) |
| Scale Accuracy | ±25% of full scale (ISO 8573-5 compliant methodology) |
| Shelf Life | 24 months from manufacture (refrigerated storage recommended) |
| Compliance | JIS K 0321, ISO 8573-5, OSHA Z-1.1 referenced |
| Brand | Komyo Rikagaku |
|---|---|
| Origin | Japan |
| Model | 181S |
| Detection Principle | Colorimetric Reaction with Pre-calibrated Scale |
| Compatible Pump | AP-20 Hand Pump |
| Measurement Range | As specified per tube lot (see individual lot certificate) |
| Response Time | <1 minute |
| Shelf Life | 24 months from manufacture date (stored at 5–30°C, dry, dark) |
| Compliance | JIS K 0321 (Gas Detection Tubes), ISO 8573-6 (for sampling integrity in compressed air systems, where applicable) |
| Brand | Meikang Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 163SA |
| Pricing | Available Upon Request |
| Brand | Koatsu (Koatsu Chemical Co., Ltd.) |
|---|---|
| Origin | Japan |
| Model Series | 177U, 177SA, 177UR, 177UL, 177UW |
| Detection Principle | Reaction with Magnesium Perchlorate to Form Alkaline Double Salt, Inducing Colorimetric Change |
| Measuring Range (Absolute Humidity) | 177U: 0.05–2.0 mg/L |
| 177SA | 1.7–33.8 mg/L |
| 177UW | 0.03–0.20 mg/L |
| 177UL | 3–80 lb/MMCF |
| 177UR | 2–12 lb/MMCF |
| Sampling Volume | 100 mL (177U, 177SA, 177UW), 200 mL (177R) |
| Response Time | ≤20 s (177SA), ≤60 s (177U), ≤2 pumps × 100 mL (177R) |
| Color Transition | Yellow/Green → Purple (177SA) |
| Detection Limit | 0.2 mg/L (177SA), 0.02 ppm (177U, at 100 mL) |
| Operating Temperature | 0–40 °C (177U/177SA/177UW), 0–35 °C (177R) |
| Shelf Life | 36 months |
| Temperature Correction Required | Yes (provided correction table, 0–35 °C) |
| Pressure Correction Formula | Corrected Value = Reading × 1013 hPa / Local Atmospheric Pressure (hPa) |
| Interferents | Methanol, Ethanol, Ethyl Acetate, Acetone (blurred color boundary) |
| Compliance | Designed for field use per ISO 16000-22 (Indoor air — Determination of water vapor concentration), compatible with GLP-aligned manual sampling protocols |
| Brand | KOMYO RIKAGAKU |
|---|---|
| Origin | Japan |
| Model | 184S@ |
| Detection Range | 20–500 ppm |
| Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Compatible Pump | AP-20 Hand Pump (sold separately) |
| Tube Length | Standard 100 mm |
| Shelf Life | 24 months from manufacture date (stored at ≤30°C, dry, dark) |
| Compliance | JIS K 0321, ISO 8573-6 (for sampling methodology), CE-marked for professional use |
| Brand | KOMYO RIKAGAKU |
|---|---|
| Origin | Japan |
| Model | 239S |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Measurement Range | As specified per batch certificate (typically 0.5–50 ppm COS) |
| Sampling Volume | 100 mL (standard), adjustable via AP-20 hand pump stroke count |
| Accuracy | ±25% of full scale (per JIS K 0802 and ISO 8573-6 guidelines) |
| Shelf Life | 24 months from manufacture date when stored at ≤25°C, dry, dark conditions |
| Compliance | Meets JIS K 0802:2018, compatible with ISO/IEC 17025-accredited field testing protocols |
| Brand | Rikorika |
|---|---|
| Origin | Japan |
| Model | CL-11Z |
| Instrument Type | Portable |
| Measurement Range | 0–2000 mg/L (ppm) Cl⁻ |
| Detection Limit | 0.1 mg/L |
| Response Time | 1 s |
| Accuracy | ±2% of reading |
| Temperature Compensation | Automatic (NTC thermistor) |
| Operating Temperature | 0–45 °C |
| IP Rating | IP67 |
| Display | 4-digit LCD with backlight |
| Resolution | 0.1 mg/L (0.1–99.9 mg/L), 1 mg/L (100–2000 mg/L) |
| Repeatability | ±2 mg/L (0.1–99.9 mg/L), ±5 mg/L (100–2000 mg/L) |
| Memory Capacity | 30 data points |
| Dimensions (main unit) | 70 × 40 × 173 mm (W × H × D) |
| Weight (main unit + electrode + 1 m cable) | ~430 g |
| Standard Accessories | CLD-11 chloride-selective electrode, CLSLN-10-50 & CLSLN-1000-50 standard solutions (50 mL each), CLDLQ-30 internal filling solution (30 mL), two syringes, ISAB solution (50 mL), user manual, warranty card, AA batteries |
| Brand | Ko-mei Rikagaku |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 131 |
| Pricing | Upon Request |
| Brand | Guangming Chemical |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Models | 104SA, 104SB, 104U |
| Pricing | Upon Request |
| Brand | Rikuri |
|---|---|
| Origin | Japan |
| Model | CuNi-5Z |
| Instrument Type | Portable |
| Detection Principle | Photometric (Absorbance-based) |
| Target Analytes | Cu²⁺, Ni²⁺ |
| Measurement Range | Cu: 0.0–80.0 g/L |
| CuSO₄ | 0.0–300 g/L |
| Ni | 0.0–199.9 g/L |
| Absorbance | 0.000–1.999 AU |
| Temperature | 0.0–50.0 °C |
| Accuracy | ±2% FS |
| Resolution | 0.1 g/L (for metal ions) |
| Response Time | 1 s |
| Operating Environment | −5–45 °C, ≤85% RH |
| Power Supply | 3× AAA alkaline batteries (LR03) |
| Sensor Wetted Materials | PPS, PFA, Fluoroelastomer |
| Cable Length | 2 m |
| Brand | Guangming Physical Chemistry |
|---|---|
| Origin | Beijing, China |
| Model | 250S |
| Detection Range | 0.21–100 ppm |
| Resolution | 0.1 ppm |
| Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Required Accessories | AP-20 Hand Pump (sold separately) |
| Compliance | Designed for field use per ISO 8573-1 (air quality), ASTM D679 (standard practice for colorimetric gas detection tubes), and OSHA 29 CFR 1910.1200 (Hazard Communication) |
| Brand | KOMYO RIKAGAKU |
|---|---|
| Origin | Japan |
| Model Series | 121SA / 121SB / 121SC / 121SD / 121SG / 121SH / 121U |
| Detection Principle | Colorimetric Reaction with Pre-impregnated Reagent |
| Measurement Range | Varies by Model (e.g., 121SA: 0.5–10 ppm |
| 121SB | 2–40 ppm |
| 121SC | 5–100 ppm |
| 121SD | 10–200 ppm |
| 121SG | 20–500 ppm |
| 121SH | 50–1000 ppm |
| 121U | 100–2000 ppm) |
| Accuracy | ±25% of Full Scale |
| Response Time | 1–3 minutes per measurement |
| Tube Length | 100 mm |
| Internal Diameter | 4.0 mm |
| Required Sampling Device | AP-20 Hand Pump (100 mL stroke volume, calibrated for 100 mL draw) |
| Shelf Life | 24 months from manufacture date when stored at ≤30°C and <80% RH |
| Compliance | JIS K 0201, ISO 8573-6 (for compressed air testing applications), CE-marked per Directive 2014/30/EU (EMC) and 2014/35/EU (LVD) |
| Brand | Kasuri |
|---|---|
| Origin | Japan |
| Model | KF-502 |
| Instrument Type | Online Fluoride Ion Analyzer |
| Measurement Range | 0–1000 mg/L |
| Detection Limit | 0.1 mg/L |
| Response Time | 1 s |
| Accuracy | ±0.1 mg/L (within range) |
| Resolution | 0.1 mg/L (0–199.9 mg/L), 1 mg/L (200–1000 mg/L) |
| Repeatability | ±2% FS |
| Output Signal | Isolated DC 4–20 mA (≤500 Ω load) |
| Calibration | Zero & Span |
| Power Supply | AC 85–240 V, 50/60 Hz |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions | 96 W × 96 H × 163 D mm |
| Weight | ~1.3 kg |
| pH Range for Accurate Measurement | 4.0–9.0 |
| Electrode Principle | Solid-State Ion-Selective Membrane (ISM) |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Models | 135SA, 135SB |
| Price | Upon Request |
| Brand | Komyo Rikagaku |
|---|---|
| Origin | Japan |
| Model | 105SD |
| Detection Range | 1–20 ppm |
| Type | Single-Use Colorimetric Gas Detection Tube |
| Compliance | JIS K 0321 (Gas Detection Tubes), ISO 8573-2 (Compressed Air Purity – Particulate & Gas Contaminants, referenced for method validation) |
| Packaging | 10 tubes per box, individually sealed in aluminum pouches |
| Brand | Kasuri Rikka |
|---|---|
| Origin | Japan |
| Model | CU-5Z |
| Instrument Type | Portable |
| Ion Detection Capability | Multi-ion (Cu²⁺-optimized) |
| Measurement Principle | UV-Vis Spectrophotometry (LED-based, dual-wavelength with reference light) |
| Measuring Range | Cu²⁺: 0.0–76.3 g/L |
| CuSO₄ | 0.0–300 g/L |
| Molarity | 0.000–1.200 mol/L |
| Detection Limit | 0.1 g/L (as Cu) |
| Accuracy | ±2% of theoretical value (under controlled calibration conditions) |
| Response Time | 1 s |
| Operating Temperature | 5–45 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | 3× AAA alkaline batteries (LR03), auto-off after 30 min |
| Dimensions | 38 mm (H) × 75 mm (W) × 180 mm (D) |
| Weight | ~300 g |
| Sensor Material | Chemically resistant alloy with inert optical interface |
| Temperature Compensation | Automatic (NTC-based) |
| Display | 3½-digit LCD |
| Brand | Komyo Rikagaku |
|---|---|
| Origin | Japan |
| Model | 164SA (5–140 ppm) / 164SB (50–1000 ppm) |
| Pack | 10 tubes per box |
| Detection Principle | Colorimetric reaction with pre-impregnated reagent |
| Calibration | Linear color-length scale |
| Compatible Pump | AP-20 handheld bellows pump (sold separately) |
| Compliance | JIS K 0805, ISO 8573-5 (gas purity verification reference method) |
| Brand | Rikori |
|---|---|
| Origin | Japan |
| Model | H2SO4-55 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Parameter | Sulfuric Acid Concentration |
| Range | 0.0–199.9 g/L |
| Resolution | 0.1 g/L |
| Repeatability | ±5% FS |
| Reproducibility | ≤5% |
| Response Time | 5 s after power-on |
| Measurement Time | ~60 s per sample |
| Auto-Power-Off | 5 s after measurement hold |
| Calibration | Zero and span calibration required prior to use |
| Light Source | LED |
| Power Supply | 4× AAA alkaline batteries (LR03), DC 6 V |
| Dimensions | 88 × 174 × 65 mm (W×D×H) |
| Weight | ~310 g |
| Standard Accessories | Instrument body, 4× AAA batteries, three cuvettes, H2SO4-RA reagent (500 mL), span calibration cuvette (1×), 5-mL dropper, 0.1-mL micropipette, instruction manual, warranty card, carrying case |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | Ni-502L |
| Instrument Type | Portable Multi-Ion Analyzer |
| Measurement Range | 0.0–199.9 g/L Ni |
| Detection Limit | 0.01 g/L Ni |
| Response Time | ≤20 s |
| Accuracy | ±2% of Full Scale (FS) |
| Operating Temperature | 0–50 °C |
| Sensor Material | FEP and PVC (chemically resistant) |
| Measurement Modes | Nickel Concentration (g/L), Absorbance (Abs), User-Defined Calibration (e.g., NiSO₄ concentration, molarity) |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | P-51 |
| Pricing | Upon Request |
| Detection Principle | Colorimetric Tube Method (Gas-Sensitive Chemical Reaction) |
| Power Requirement | None (Manual Hand Pump Operation) |
| Portability | Integrated Portable Carrying Case (ZG-1) |
| Compliance | Designed for field use in accordance with JIS K 0201, ISO 8573-2 (gas sampling principles), and OSHA 29 CFR 1910.120 (HAZWOPER field screening protocols) |
| Brand | Rikagaku |
|---|---|
| Origin | Japan |
| Model | CL-203N |
| Measurement Principle | Potentiometric ion-selective electrode (ISE) with Ag/AgCl-based chloride-specific sensing membrane |
| Application Domain | On-site and lab-based chloride quantification in fresh concrete mixtures, fine aggregates, wash water, and aqueous extracts per JIS A 1154, ASTM C114, and ISO 9557 |
| Temperature Compensation | Automatic (0–50 °C), NTC thermistor integrated in CLD-11 electrode |
| Display | Dual-line LCD — 4-digit resolution for chloride/salinity (% or kg/m³), 3-digit for temperature (°C) |
| Range | Salinity: 0.001–1.000 % (10–10,000 mg/L Cl⁻) |
| Chloride content | 0.001–1.999 kg/m³ (calculated from salinity × unit water volume W) |
| Electrode potential | −1000 to +1000 mV |
| Temperature | 0–50 °C |
| Resolution | 0.001 % salinity (10 mg/L), 1 mV, 0.1 °C |
| Repeatability | ±2 % of reading (salinity), ±0.5 °C (temperature) |
| Calibration | Two-point using certified NaCl standard solutions (0.01 % and 0.5 % w/v) |
| Memory | 30 measurement records with timestamp and temperature stamp |
| Housing Dimensions | 70 × 40 × 173 mm (W × H × D) |
| Weight | 290 g (main unit), 130 g (CLD-11 electrode with 1 m cable) |
| Compliance | Designed for GLP-aligned field testing |
| Brand | Meikou Rikagaku |
|---|---|
| Origin | Japan |
| Type | Imported |
| Models | 132SB, 132SC |
| Detection Range (132SB) | 5–500 ppm |
| Detection Range (132SC) | 0.1–12 ppm |
| Sample Volume | 100–400 mL |
| Response Time | ≤90 sec per 100 mL |
| LOD (132SC, 400 mL) | 0.05 ppm |
| Color Change (132SB) | White → Red-Orange |
| Color Change (132SC) | Straw-Yellow → Peach |
| Operating Temperature | 0–40 °C (temperature correction required) |
| Humidity Effect | None |
| Pressure Correction | Required (ppm × 1013 hPa ÷ actual pressure) |
| Reaction Chemistry | 132SB: CH₂=CHCl + PbO₂ → Cl₂ |
| 132SC | CH₂=CHCl + CrO₃ + H₂SO₄ → HCl |
| Brand | Kokusan |
|---|---|
| Origin | Japan |
| Model | AP-20 |
| Sampling Volumes | 50 mL / 100 mL (dual-position plunger) |
| Integrated Timer | spring-actuated mechanical timer with red visual indicator |
| Built-in Glass Cutter | stainless steel blade embedded in pump body |
| Waste Glass Collector | sealed, removable chamber for broken glass ends |
| Certification | ISO 9001:2008, EN 1231:1998, US Design Patent D467,334 S, SEI Certified |
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