Conductivity Meter
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| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI98197 |
| Portability | Handheld |
| Application | Laboratory & Field Use |
| Conductivity (EC) | 0.001 to 999.9 µS/cm |
| TDS | 0.00 to 999.9 mg/L (ppm) |
| Resistivity | 1.0 to 100.0 MΩ·cm |
| Temperature | −20.0 to 120.0 °C |
| Accuracy (EC) | ±1% of reading or ±0.01 µS/cm (whichever is greater) |
| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI98309 |
| Measurement Range | 0.000 to 1.999 µS/cm |
| Resolution | 0.001 µS/cm |
| Accuracy | ±2% of Full Scale |
| Calibration | Factory-Calibrated (No User Calibration Required) |
| Power Supply | 4 × 1.5 V Button Cell Batteries (LR44) |
| Operating Environment | 0 to 50 °C |
| Dimensions | 175 × 41 × 23 mm |
| Weight | 95 g |
| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI98301 / HI98302 |
| Measurement Range (HI98301) | 0–1999 ppm (mg/L) |
| Resolution (HI98301) | 1 ppm |
| Measurement Range (HI98302) | 0.00–10.00 ppt (g/L) |
| Resolution (HI98302) | 0.01 ppt |
| Accuracy | ±2% of full scale |
| Calibration | Manual single-point with HI7032L (for HI98301) or HI70038P (for HI98302) |
| Temperature Compensation | Automatic, 0–50 °C |
| Power | 4 × 1.5 V AAA batteries |
| Dimensions | 175 × 41 × 23 mm |
| Weight | 95 g |
| Operating Environment | 0–50 °C, ≤95% RH |
| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI98303, HI98304 |
| Measurement Range | 0–1999 µS/cm (HI98303), 0.00–19.99 mS/cm (HI98304) |
| Resolution | 1 µS/cm (HI98303), 0.01 mS/cm (HI98304) |
| Accuracy | ±2% F.S. |
| Calibration | Manual single-point |
| Recommended Calibration Solutions | HI7031L (for HI98303), HI7030L (for HI98304) |
| Temperature Compensation | Automatic (0–50°C) |
| Power Supply | 4 × 1.5 V AAA batteries |
| Operating Environment | 0–50°C, ≤95% RH |
| Dimensions & Weight | 175 × 41 × 23 mm, 95 g |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 3551-10D |
| Cell Constant | 10 m⁻¹ (0.1 cm⁻¹) |
| Conductivity Range | 10 µS/cm to 1 S/cm (0.1 µS/cm to 10 mS/cm) |
| Minimum Sample Volume | 50 mL |
| Operating Temperature Range | 0–60 °C |
| Part Number | 3014081712 (9056000800) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 3551-10D |
| Cell Constant | 10 m⁻¹ (0.1 cm⁻¹) |
| Conductivity Range | 10 µS/cm to 1 S/cm (0.1 µS/cm to 10 mS/cm) |
| Minimum Sample Volume | 50 mL |
| Operating Temperature Range | 0–60 °C |
| Part Number | 3014081712 (9056000800) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 3561-10D |
| Cell Constant | 10 m⁻¹ (0.1 cm⁻¹) |
| Conductivity Range | 10 μS/cm to 1 S/cm (0.1 μS/cm to 10 mS/cm) |
| Minimum Sample Volume | 10 mL |
| Operating Temperature Range | 0–60 °C |
| Part Number | 3014082350 (Legacy: 9056001100) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 3562-10D |
| Conductivity Range | 0.1 mS/cm to 10 S/cm (1 µS/cm to 100 mS/cm) |
| Cell Constant | 100 m⁻¹ (1 cm⁻¹) |
| Minimum Sample Volume | 16 mL |
| Operating Temperature Range | 0–60 °C |
| Part Number | 3014082513 (Legacy: 9056001200) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Measurement Principle | Ion-selective Electrode Method |
| Salinity Range | 0.1–10% (NaCl, w/w) |
| Temperature Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Resolution | 0.1% |
| Minimum Sample Volume | 0.05 mL × 2 or ≥0.3 mL |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| Auto-Hold Function | Yes |
| Ingress Protection | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | ~50 g (instrument only, excl. batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salinity Measurement Range | 0.0–10% (NaCl) |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Resistivity Range | 0–19.9 mS/cm (expressed as reciprocal conductivity) |
| Temperature Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% (salinity), 0.1 mS/cm (conductivity), 1 ppm (TDS), 0.1 °C (temperature) |
| Calibration | Two-point calibration with NaCl standard solutions |
| Temperature Compensation | Automatic, fixed 2%/°C coefficient |
| Ingress Protection | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | Approx. 50 g (instrument only, batteries excluded) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salinity Measurement Range | 0.1–10% (w/w NaCl) |
| Temperature Measurement Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| IP Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only, batteries excluded) |
| Measurement Principle | Ion-selective electrode (ISE) method for NaCl-specific salinity |
| Sample Volume | 0.05 mL × 2 or ≥0.3 mL |
| Calibration | Two-point calibration with standard NaCl solutions |
| Compliance | Designed for field and lab use under ISO 8665, ASTM D1125, and USP <645> environmental constraints |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Measurement Principle | Ion-selective electrode (NaCl-specific) |
| Salinity Range | 0.1–10% (w/w NaCl) |
| Temperature Range | 5–40 °C |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| Accuracy | ±10% of reading |
| Resolution | 0.1% |
| IP Rating | IP67 |
| Power Source | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe tip) |
| Weight | ~50 g (instrument only, no batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salinity Measurement Range | 0.1–10% (w/w NaCl) |
| Temperature Measurement Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% |
| Temperature Compensation | Automatic, fixed 2%/°C coefficient |
| Protection Rating | IP67 |
| Power Source | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | ~50 g (instrument only, excluding batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salinity Measurement Range | 0.1–10% (w/w NaCl) |
| Temperature Measurement Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| IP Rating | IP67 |
| Power Source | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only, excluding batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Measurement Principle | Ion-Selective Electrode Method |
| Salinity Range | 0.1–10% w/w (based on specific gravity) |
| Temperature Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Resolution | 0.1% |
| IP Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salinity Measurement Range | 0.1–10% (w/w NaCl) |
| Temperature Measurement Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| IP Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | Approx. 50 g (instrument only, excl. batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-721 |
| Portability | Pen-type |
| Salt Measurement Range | 0.1–10% (w/w NaCl) |
| Temperature Measurement Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Minimum Resolution | 0.1% |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| IP Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only, excl. batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-731 |
| Type | Pen-style portable ion meter |
| Measurement Principle | Solid-state ion-selective electrode (ISE) method |
| Measuring Range | 39–3900 ppm (mg/L) or 10⁻³–10⁻¹ mol/L K⁺ |
| Temperature Range | 5–40 °C |
| Accuracy | ±10% of reading |
| Resolution | 0.1 ppm (mg/L) |
| Calibration | Two-point calibration |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| IP Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | Approx. 50 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-731 |
| Measurement Principle | Solid-State Ion-Selective Electrode (ISE) Method |
| Detection Parameter | Single-Parameter (K⁺) |
| Portability | Pen-Type Design |
| Sample Volume Requirement | 0.05 mL (minimum, dual measurement) or ≥0.3 mL |
| Measurement Range | 39–3900 ppm (mg/L), equivalent to 1.0 × 10⁻³ – 1.0 × 10⁻¹ mol/L |
| Calibration | Two-Point Calibration |
| Accuracy | ±10% of reading |
| Temperature Compensation | Automatic (2%/°C fixed coefficient) |
| Resolution | 0.1 ppm (mg/L) |
| Temperature Measurement Range | 0–40 °C |
| Temperature Accuracy | ±0.5 °C |
| IP Rating | IP67 |
| Operating Environment | 5–40 °C, ≤85% RH (non-condensing) |
| Power Supply | Two CR2032 lithium coin cells |
| Dimensions | 164 × 29 × 20 mm (excluding probe protrusion) |
| Weight | Approx. 50 g (instrument only, excluding batteries) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-741/B-742/B-743 |
| Detection Parameter | Nitrate (NO₃⁻) only |
| Portability | Pen-type |
| Temperature Measurement Range | 5–40 °C |
| Temperature Accuracy | ±0.1 °C |
| Temperature Resolution | 0.1 °C |
| NO₃⁻ Measurement Range | 62–6200 mg/L (10⁻³–10⁻¹ mol/L) |
| NO₃⁻-N Range | 14–1400 mg/L |
| Calibration | Two-point calibration |
| Accuracy | ±10% of reading |
| IP Rating | IP67 |
| Power Source | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-741/B-742/B-743 |
| Type | Pen-style single-parameter ion meter |
| Measurement Principle | Solid-state ion-selective electrode (ISE) method |
| Nitrate (NO₃⁻) Range | 62–6,200 ppm (mg/L) [10⁻³–10⁻¹ mol/L] |
| Nitrate-nitrogen (NO₃⁻–N) Range | 14–1,400 ppm (mg/L) |
| Temperature Range | 5–40 °C |
| Temperature Compensation | Automatic (2 %/°C fixed coefficient) |
| Accuracy | ±10 % of reading |
| Resolution | 0.1 ppm (for NO₃⁻) |
| Calibration | Two-point calibration with standard solutions |
| IP Rating | IP67 |
| Power | Two CR2032 lithium batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~50 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Form Factor | Pen-type |
| Measurement Parameters | Conductivity (EC), TDS, Salinity, Temperature |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1 % (NaCl) |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. (conductivity), ±0.1 °C (temperature) |
| Resolution | 0.1 mS/cm, 0.1 ppm (TDS), 0.01 % (salinity), 0.1 °C |
| Temperature Compensation | Automatic, fixed 2 %/°C coefficient |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe tip) |
| Weight | Approx. 45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% NaCl |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. |
| Resolution | 0.1 (for conductivity, salinity, TDS, and temperature) |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excluding protrusions) |
| Weight | ~45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% (NaCl) |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 (for conductivity, TDS, salinity, and temperature) |
| Measurement Principle | Two-electrode AC conductometric method |
| Sample Volume | ≥0.12 mL |
| Temperature Compensation | Fixed 2%/°C (linear, referenced to 25 °C) |
| Calibration | Two-point calibration (using standard KCl solutions) |
| Ingress Protection | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (L×W×H, excluding probe protrusion) |
| Weight | ~45 g (instrument only, batteries excluded) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Detection Parameter | Single (Conductivity) |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% NaCl |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 mS/cm, 0.1 ppm, 0.01% NaCl, 0.1 °C |
| Calibration | Two-point (KCl standard solutions) |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | ~45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Detection Parameter | Single (Conductivity) |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% NaCl |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 mS/cm, 0.1 ppm, 0.01% |
| Measurement Principle | Two-electrode AC method |
| Sample Volume | ≥0.12 mL |
| Temperature Compensation | Fixed 2%/°C |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm |
| Weight | ~45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% NaCl |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 (for all primary parameters) |
| Measurement Principle | Two-electrode AC conductometry |
| Minimum Sample Volume | ≥0.12 mL |
| Temperature Compensation | Fixed 2%/°C |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. probe protrusion) |
| Weight | ~45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 |
| Calibration | Two-point |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Measurement Principle | Two-Electrode AC Method |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% (NaCl) |
| Resistivity Range | Not applicable |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% FS ±1 digit (per range) |
| Resolution | 0.1 (for conductivity, TDS, salinity, temperature) |
| Temperature Compensation | Fixed 2%/°C |
| Calibration | Two-point calibration |
| Protection Rating | IP67 |
| Power Supply | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | Approx. 45 g (instrument only) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-771 |
| Portability | Pen-type |
| Conductivity Range | 0–19.9 mS/cm |
| TDS Range | 0–9900 ppm |
| Salinity Range | 0–1.1% |
| Temperature Range | 5–40 °C |
| Accuracy | ±2% F.S. ±1 digit |
| Resolution | 0.1 |
| Calibration | Two-point |
| IP Rating | IP67 |
| Power | Two CR2032 batteries |
| Dimensions | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | ~45 g (instrument only) |