Dissolved Oxygen Meter
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Showing 91–120 of 260 results
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L for values ≤20.00 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1 °C/°F (temperature), 0.1% (saturation) |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Compensation | Automatic, with manual salinity compensation |
| Atmospheric Pressure Compensation | kPa, mmHg, atm selectable |
| IP Rating | IP65 |
| Data Storage | 500 sets |
| Power | Rechargeable Li-ion battery, USB-C charging support (DC5V input) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JPBJ-609L |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic |
| Measurement Range | (0.00–50.00) mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Resolution | 0.01 mg/L |
| Response Time | ≤45 s (90% response at 20 °C) |
| Temperature Compensation | Automatic/Manual (−10.0 to 135.0 °C) |
| Atmospheric Pressure Compensation | kPa, mbar, Torr, atm (manual/automatic) |
| Salinity Compensation | Manual (0–50 g/L) |
| DO Saturation Range | (0.0–600.0) % |
| IP Rating | IP65 |
| Power | Rechargeable Li-ion battery (USB-C input, DC5V adapter compatible) |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | JPBJ-610L |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| DO Range | (0.00–20.00) mg/L |
| Accuracy | ±0.30 mg/L (reading error) |
| Resolution | 0.01 mg/L |
| Repeatability | 0.15 mg/L |
| Zero Oxygen Error | ≤0.1 mg/L |
| Response Time | ≤60 s (90% response at 20 °C) |
| DO Saturation Range | (0.0–200.0)% |
| Saturation Accuracy | ±10.0% |
| Temperature Range | (0.0–50.0) °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| Salinity Compensation | Manual, (0.0–50.0) g/L |
| Atmospheric Pressure Compensation | Auto/Manual, (50.0–110.0) kPa |
| IP Rating | IP65 |
| Power | Rechargeable Li-ion battery |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | JPSJ-605F |
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range | 0.00–99.99 mg/L |
| DO Accuracy | ±0.10 mg/L |
| DO Resolution | 0.01 mg/L |
| Saturation Range | 0.0–600.0 % |
| Temperature Range | −10.0–135.0 °C |
| Temperature Accuracy | ±0.2 °C |
| Temperature Resolution | 0.1 °C |
| Atmospheric Pressure Compensation | Manual (60.0–110.0 kPa) |
| Salinity Compensation | Manual (0.0–40.0 g/L) |
| Data Storage Capacity | 500 datasets |
| Interface | RS-232 & USB |
| Power Supply | 9 VDC, 500 mA (center-positive) |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPSJ-605F |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L (≤20.00 mg/L) |
| Repeatability | 0.15 mg/L |
| Detection Limit | 0.01 mg/L |
| Temperature Range | (−10.0 to 135.0) °C |
| Temp. Accuracy | ±0.3 °C (0.0–60.0 °C) |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Saturation Range | (0.0–600.0) % |
| Salt Compensation Error | ±2.0% saturation |
| IP Rating | IP54 |
| Interface | RS-232, USB |
| Data Storage | 500 sets |
| Power Supply | AC 100–240 V input / DC 9 V output |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | JPSJ-606L |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Polarographic Probe |
| DO Range (Instrument Electronics) | 0.00–90.00 mg/L |
| DO Range (with Standard Probe) | 0.00–50.00 mg/L |
| Accuracy (DO) | ±0.10 mg/L (electronic unit) |
| Repeatability | ≤0.15 mg/L |
| Detection Limit | 0.00 ± 0.10 mg/L |
| DO Saturation Range | 0.0–600.0 % |
| DO Saturation Resolution | 0.1 % |
| DO Saturation Accuracy | ±2.0 % |
| Temperature Range | −5.0–130.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.1 °C |
| Atmospheric Pressure Compensation | 60.0–110.0 kPa |
| Salinity Compensation | 0.0–50.0 g/L |
| Power Supply | 24 VDC, 3 A (via external adapter: 100–240 VAC input) |
| Dimensions (W×D×H) | 280 × 280 × 130 mm |
| Weight | 2.5 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | JPSJ-606L |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Polarographic Probe |
| DO Range | (0.00–90.00) mg/L |
| Accuracy | ±0.10 mg/L (electronic unit), ±0.30 mg/L (full system) |
| Repeatability | ≤0.15 mg/L |
| Detection Limit | ±0.10 mg/L at zero |
| DO Saturation Range | (0.0–600.0) % |
| Saturation Accuracy | ±2.0 % |
| Temperature Range | (−5.0–130.0) °C |
| Temp. Accuracy | ±0.1 °C |
| Temp. Resolution | 0.1 °C |
| DO Resolution | 0.01 mg/L |
| Saturation Resolution | 0.1 % |
| Atmospheric Pressure Compensation | (60.0–110.0) kPa |
| Salinity Compensation | (0.0–50.0) g/L |
| Power Supply | 24 VDC, 3 A (AC Input: 100–240 VAC, 1.35 A) |
| Dimensions | 280 × 280 × 130 mm |
| Weight | 2.5 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-208 |
| Instrument Type | Online DO Monitor |
| Measurement Range | (0.0–20.0) mg/L DO, (0.0–200.0)% saturation |
| Temperature Range | (−10.0–120.0) °C |
| Resolution | 0.01 mg/L (DO), 0.1% (saturation), 0.1 °C (temp) |
| Repeatability | ≤0.20 mg/L |
| Basic Error (Instrument) | ±0.50 mg/L (DO), ±10.0% (saturation), ±1.0 °C (temp) |
| Basic Error (Electronics Unit) | ±0.20 mg/L (DO), ±5.0% (saturation), ±0.3 °C ±1 digit |
| Stability | (±0.20 mg/L)/24 h (instrument), (±0.10 mg/L)/24 h (electronics) |
| T90 Response Time | ≤2 min at 20 °C |
| Output | Isolated 4–20 mA DC (configurable upper/lower limits), RS-232 or RS-485 (user-selectable) |
| Relay Outputs | 4 programmable control relays |
| Data Storage | 400 measurement records |
| Calibration | Zero-oxygen and full-scale calibration supported |
| Enclosure Rating | IP65 |
| Power Supply | AC (220 ± 22) V, (50 ± 0.5) Hz |
| Dimensions | 144 × 144 × 160 mm |
| Weight | 2.5 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-9435B |
| Instrument Type | Online Analyzer |
| Measurement Range | (0–19.9) µg/L, (20–199) µg/L, (0.20–20.00) mg/L |
| Repeatability | ±3% FS |
| Resolution | 0.1 µg/L / 1 µg/L / 0.01 mg/L (DO) |
| Basic Error (Electronic Unit) | ±3% FS (DO), ±0.3 °C (Temperature) |
| Response Time (t₉₀) | 2 min at 25 °C |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 160 × 160 × 110 mm |
| Weight | 2 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DOB-612Y |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| Accuracy | ±0.30 mg/L |
| Resolution (DO) | 0.01 mg/L |
| Repeatability | 0.15 mg/L |
| Zero Error | ≤0.1 mg/L |
| Response Time | ≤60 s (90% response at 20 °C) |
| DO Saturation Range | 0.0–200.0 % |
| Saturation Accuracy | ±10.0 % |
| Temperature Range | 0.0–50.0 °C |
| Temp. Accuracy | ±0.2 °C (10–30 °C) |
| Temp. Resolution | 0.1 °C |
| Salinity Compensation Error | ±2% |
| IP Rating | IP67 |
| Dimensions | 92 × 263 × 49 mm |
| Weight | ~0.6 kg |
| Power | Rechargeable Li-ion battery + DC 5 V adapter (AC 100–240 V input) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPB-607A |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based (Optical) |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy (DO) | ±0.30 mg/L |
| Saturation Range | 0.0–200.0 % |
| Saturation Accuracy | ±10.0 % |
| Temperature Range | −5.0 to 110.0 °C |
| Temperature Accuracy | ±0.4 °C (0.0–60.0 °C), ±1.0 °C (elsewhere) |
| Response Time (90%) | ≤45 s at 20.0 °C |
| Salt Compensation Error | ±2% |
| IP Rating | IP65 |
| Data Storage Capacity | 200 sets |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPB-607A |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Clark-type Polarographic Probe) |
| Measurement Range | Dissolved Oxygen: (0.0–20.0) mg/L |
| Temperature | (0.0–40.0) °C |
| Accuracy | ±0.30 mg/L (DO), ±0.5 °C (Temperature) |
| Repeatability | ±0.1 mg/L |
| Stability | ±0.10 mg/L over 3 h |
| Response Time | ≤45 s to 90% of final value at 20 °C |
| Zero Oxygen Error | ≤0.10 mg/L |
| Power Supply | Two AA alkaline batteries |
| Display | 3.5-digit LCD with optional blue backlight |
| Calibration | Zero-oxygen and saturated-air (full-scale) calibration supported |
| Temperature Compensation | Automatic, integrated thermistor |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPB-607A |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| Measurement Range | 0.00–20.00 mg/L |
| Accuracy | ±0.30 mg/L |
| Repeatability | ±0.1 mg/L |
| Temperature Range | −5.0–110.0 °C |
| Temperature Compensation | Automatic (0.0–40.0 °C) |
| DO Resolution | 0.1 mg/L |
| Temp Resolution | 0.1 °C |
| Basic Temp Error | ±0.5 °C |
| Power | Rechargeable Li-ion Battery & DC5V Adapter |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Standard Electrode | DO-957 Polarographic Dissolved Oxygen Electrode |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| Measurement Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L for values ≤20.00 mg/L |
| IP Rating | IP65 |
| Data Storage Capacity | 500 measurement sets |
| Temperature Compensation | Automatic (user-selectable units: °C or °F) |
| Atmospheric Pressure Compensation | Automatic (kPa, mmHg, atm selectable) |
| Calibration | Zero-oxygen and saturated-oxygen (full-scale) calibration supported |
| Salt Compensation | Manual input |
| Connectivity | RS-232 printer port, USB interface for PC communication |
| Power Supply | Rechargeable lithium-ion battery with low-voltage and charging-status indicators |
| Backlight | Adjustable |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic Sensor |
| DO Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L for ≤20.00 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1 °C / 0.1 °F (Temperature), 0.1% (Saturation) |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Compensation | Automatic, with manual salinity compensation |
| Atmospheric Pressure Compensation | kPa, mmHg, atm selectable |
| IP Rating | IP65 |
| Data Storage | 500 sets |
| Power | Rechargeable Li-ion battery |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Compliance | GLP-compliant data logging with audit trail support |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Polarographic Membrane-Type Probe) |
| Range | (0.00–19.99) mg/L DO |
| Accuracy | ±0.30 mg/L |
| Repeatability | ±0.10 mg/L |
| Temperature Range | (0.0–40.0) °C |
| Temp. Accuracy | ±0.5 °C |
| Saturation Range | (0.0–199.9) % |
| Saturation Accuracy | ±10 %FS |
| Zero Error | ≤0.10 mg/L |
| Stability | ±0.10 mg/L / 3 h |
| Response Time (90%) | ≤45 s at 20 °C |
| Data Storage Capacity | 500 sets |
| Protection Rating | IP65 |
| Interface | RS-232 |
| Power Supply | 4 × AA alkaline batteries |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range | 0.00–50.00 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy (DO) | ±0.10 mg/L (electronic unit) |
| Response Time | ≤45 s (90% response at 20.0 ℃) |
| Temperature Compensation | Automatic (−5.0 to 110.0 ℃) |
| Atmospheric Pressure Compensation | kPa, mmHg, atm |
| Salinity Compensation | Manual (0–50 g/L equivalent) |
| Data Storage | 500 sets |
| IP Rating | IP65 |
| Power | Rechargeable Li-ion battery (DC5V input compatible) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JPBJ-609L |
| Instrument Type | Field-Portable |
| Measurement Principle | Polarographic Electrochemical Sensor |
| Measurement Range | 0.00–50.00 mg/L |
| Accuracy | ±0.10 mg/L |
| Display | High-Resolution Color TFT Touchscreen |
| Language Support | English & Chinese |
| Temperature Units | °C / °F |
| IP Rating | IP65 |
| Temperature Compensation | Automatic/Manual |
| Atmospheric Pressure Compensation | kPa, mbar, Torr, atm (manual selection) |
| Salinity Compensation | Manual |
| Calibration Modes | Zero-Oxygen and Full-Scale (100% air-saturated) |
| Data Storage Capacity | 1000 measurement records |
| Connectivity | USB 2.0, Bluetooth 4.2, U Disk interface, QR code scanner compatible |
| Power Supply | Rechargeable Li-ion battery (USB-C charging support), PC/mobile power bank compatible |
| GLP Compliance | Yes — full audit trail, user authentication, timestamped records |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | JPBJ-609L |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| Measurement Range | (0.00–50.00) mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Resolution | 0.01 mg/L |
| Response Time | ≤45 s (90% response at 20 °C) |
| Temperature Compensation | Automatic/Manual (−10.0 to 135.0 °C) |
| Atmospheric Pressure Compensation | Manual (kPa, mbar, Torr, atm) |
| Salinity Compensation | Manual |
| IP Rating | IP65 |
| Battery | Rechargeable Li-ion |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-610L |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| Accuracy | ±0.30 mg/L (full-scale error) |
| Resolution | 0.01 mg/L |
| Repeatability | 0.15 mg/L |
| Response Time | ≤60 s (90% response at 20 °C) |
| DO Saturation Range | 0.0–200.0 % |
| Temperature Range | 0.0–50.0 °C |
| Temp. Accuracy | ±0.3 °C |
| Salt Compensation Range | 0.0–50.0 g/L |
| Atmospheric Pressure Compensation | 50.0–110.0 kPa |
| IP Rating | IP65 |
| Power | Rechargeable Li-ion battery (DC5V input compatible) |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPBJ-611Y |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | (0.00–20.00) mg/L DO |
| Accuracy | ±0.30 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (Saturation), 0.1 °C (Temperature) |
| Temperature Compensation | Automatic (0.0–50.0 °C) |
| Salinity Compensation | Manual (0.0–50.0 g/L) |
| Atmospheric Pressure Compensation | Automatic (50.0–110.0 kPa) |
| Power Supply | Rechargeable Li-ion Battery |
| Dimensions | 235 × 90 × 56 mm |
| Weight | ~0.3 kg |
| Data Storage Capacity | 1000 datasets with metadata (location, timestamp, operator ID, section ID, calibration logs) |
| Display | 3.5″ TFT Touchscreen |
| Standard Electrode | DO-962 Optical DO Sensor |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-611Y |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | (0.00–20.00) mg/L DO |
| Accuracy | ±0.30 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (Saturation), 0.1 °C (Temperature) |
| Temperature Range | 0.0–50.0 °C |
| Atmospheric Pressure Compensation | Automatic (50.0–110.0 kPa) |
| Salinity Compensation | Manual (0.0–50.0 g/L) |
| Data Storage Capacity | 1000 records with GPS, timestamp, operator ID, section ID, and calibration metadata |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions | 235 × 90 × 56 mm |
| Weight | ~0.3 kg |
| Standard Electrode | DO-962 fluorescence-based DO sensor |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPSJ-605F |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| Dissolved Oxygen Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L (≤20.00 mg/L) |
| Repeatability | 0.15 mg/L |
| Detection Limit | 0.01 mg/L |
| Temperature Compensation | Automatic (–10.0 to 135.0 °C) |
| Atmospheric Pressure Compensation | kPa, mmHg, atm |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Salt Compensation | Manual |
| IP Rating | IP54 |
| Data Storage | 500 sets |
| Interface | RS-232, USB |
| Compliance | GLP-compliant data logging |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Laboratory Benchtop DO Meter |
| Measurement Principle | Polarographic Electrochemical Probe |
| Measurement Range | 0–90.00 mg/L |
| Accuracy | ±0.10 mg/L |
| Repeatability | ≤0.15 mg/L |
| Detection Limit | ±0.10 mg/L (at 0 mg/L) |
| Temperature Compensation | Automatic (NTC sensor integrated) |
| Atmospheric Pressure Compensation | Built-in barometric sensor |
| Calibration Modes | Zero-oxygen (sodium sulfite), Full-scale (air-saturated water or Winkler standard), Salt Correction Support |
| Connectivity | RS-232, USB port for PC and USB flash drive |
| Data Storage | 1000 measurement records with timestamp, electrode ID, calibration history, user ID, and environmental parameters |
| GLP Compliance | Yes — full audit trail including calibration logs, user login events, and data modification timestamps |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | JPSJ-606T |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic Sensor |
| Measurement Range (Electronic Unit) | 0.00–99.99 mg/L |
| Accuracy | ±0.10 mg/L |
| Repeatability | ±2.0% |
| Display | High-resolution color LCD touchscreen |
| Language Support | English & Chinese |
| Temperature Units | °C or °F |
| Included Accessories | Polarographic DO electrode, independent electrode stand, dust cover |
| Calibration | Zero-oxygen and saturation (air-saturated water) calibration |
| Compensation | Automatic temperature compensation (ATC), manual or automatic atmospheric pressure compensation (kPa, mbar, Torr, atm), manual salinity compensation |
| Endpoint Detection | Intelligent endpoint recognition with auto-read, timed-read, interval-read, and manual-read modes |
| Data Management | GLP-compliant storage for 1000 measurement records with timestamp, electrode ID, calibration history, user ID, and environmental parameters |
| Security & Compliance | User-level access control (admin/operator), password protection, GMP audit trail (operation log with user, action, timestamp), full traceability |
| Connectivity | RS-232 (for thermal/serial printers), USB-B (PC communication via dedicated software), U-disk read/write, barcode scanner support |
| Optional Automation | Compatible with automated sample changers for unattended batch analysis |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPSJ-606T |
| Price Range | USD 700–1,400 |
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Polarographic Electrochemical Probe |
| Dissolved Oxygen Range (Electronic Unit) | 0.00–99.99 mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Instrument Accuracy | ±0.30 mg/L (≤20.00 mg/L) |
| Repeatability | ±2.0% |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Compensation | Automatic |
| Atmospheric Pressure Compensation | Manual or Auto (kPa, mbar, Torr, atm) |
| Salinity Compensation | Manual |
| Saturation Range | 0.0–600.0 % |
| Temperature Range | −10.0–135.0 °C |
| Temperature Accuracy | ±0.3 °C (0.0–60.0 °C) |
| Data Storage Capacity | 1,000 datasets |
| Connectivity | RS-232, USB, optional LIMS integration |
| Compliance | GLP, GMP-ready audit trail support |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V → DC 24 V adapter |
| Dimensions & Weight | 220 × 195 × 68 mm, 0.95 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | JPSJ-606T |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Polarographic Electrochemical Probe |
| DO Range (Electronic Unit) | 0.00–99.99 mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Instrument Accuracy | ±0.30 mg/L (≤20.00 mg/L) |
| Repeatability | ±2.0% |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Range | −10.0–135.0 °C |
| Temp. Accuracy | ±0.3 °C (0.0–60.0 °C) |
| Saturation Range | 0.0–600.0 % |
| Salt Compensation | Manual |
| Atmospheric Pressure Compensation | Auto/Manual (kPa, mbar, Torr, atm) |
| Data Storage Capacity | 1000 datasets |
| Compliance | GLP-compliant |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-203A |
| Instrument Type | Online |
| Measurement Range | (0.0–20.00) mg/L DO, (0.0–200.0)% saturation |
| Repeatability | ≤0.20 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (saturation), 0.1°C (temperature) |
| Basic Error | ±0.5 mg/L (DO), ±10.0% (saturation), ±1.0°C (temperature) |
| Stability | (±0.30 mg/L)/24 h |
| Response Time (90%) | ≤45 s at 20°C |
| Temperature Range | −10.0–120.0°C |
| Salinity Compensation Range | (0.0–50.0) g/L |
| Salinity Compensation Error | ≤±3% |
| Output | (4–20) mA DC isolated, RS-232 digital interface |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Enclosure Rating | IP65 |
| Dimensions & Weight | 160 × 160 × 110 mm, 1 kg |
| Data Storage | 200 groups with configurable logging interval |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-209 |
| Instrument Type | Online |
| Measurement Range | (0.0–20.0) mg/L DO |
| Repeatability | ≤ 0.20 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (saturation), 0.1°C (temperature) |
| Basic Accuracy | ±0.30 mg/L (DO), ±10.0% (saturation), ±0.2°C (temperature) |
| Stability | ±0.20 mg/L / 24 h |
| Output | Isolated 4–20 mA DC (max. load 600 Ω), RS-485 digital interface |
| Alarm & Control | Dual limit relays (220 V AC, 2.5 A), one programmable cleaning relay |
| Data Storage | 2000 records with timestamp |
| Enclosure Rating | IP65 |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2.5 kg |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MDO-2 |
| Instrument Type | Portable |
| Measurement Range | 0–25 mg/L |
| Accuracy | ±1% of reading or ±0.02 mg/L (whichever is greater) |
| Resolution | 0.01 mg/L (≤4.00 mg/L), 0.1 mg/L (>4.00 mg/L) |
| Stability | ±0.01 mg/L |
| Repeatability | ±0.01 mg/L |
| Drift | <1% per year |
| Temperature Range (Sample) | 0–60°C |
| Response Time (t₉₅) | <60 s |
| Operating Environment | −20 to +70°C, 0–100% RH |
| IP Rating | IP66 |
| Sensor Cable Length | 6.0 m |
| Maximum Pressure Rating | 100 PSI |
| Sensor Lifetime | 7–10 years |
| Display | Backlit graphical LCD with UV-resistant housing and adjustable contrast |
| Data Storage | 50 measurement records |
| Interface | RS-232 serial output |
| Diagnostic Function | Built-in probe self-test |
| Power | Rechargeable battery |