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Portable Conductivity / TDS / Salinity Meter APERA EC8500 with Datalogger and GLP Standards

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Apera Instruments EC8500 portable conductivity / TDS / salinity meter featuring intelligent functions and rugged design for laboratory-grade field measurements.

  • GLP data management with 1000 data storage groups and USB data export
  • IP57 waterproof rating with silicon socket protector and grip cap for impact resistance
  • Backlit wide LCD display showing conductivity, TDS, salinity, and temperature with stability and calibration indicators
  • Foldable stand for benchtop meter operation
  • BPB 2301T-S conductivity/temperature electrode with brush-resistant platinum black coating
  • One-touch switching between conductivity, TDS, and salinity measurements
  • Fast 1-3 point conductivity calibration with reminder functions and last calibration verification
  • Built-in self-diagnosis for proper calibration and troubleshooting
  • Adjustable TDS conversion factor (0.40 to 1.00)

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The Apera Instruments EC8500 is a portable conductivity, TDS, and salinity meter engineered for field-based laboratory-class measurements. Equipped with intelligent smart functions and a robust construction, this meter is ideal for demanding applications where reliable, GLP-compliant data management is essential. The device combines professional-grade accuracy with user-friendly operation, featuring an IP57 waterproof rating, intuitive LCD display, and comprehensive data storage capabilities.

Technical Specifications

Conductivity Measurement Range 0 ~ 200 mS/cm, auto-ranging across five intervals: (0-19.99) µS/cm; (20.0-199.9) µS/cm; (200-1999) µS/cm; (2.00-19.99) mS/cm; (20.0-199.9) mS/cm
TDS Measurement Range (0-100) g/L
Salinity Measurement Range (0-100) ppt
Conductivity Resolution 0.01 / 0.1 / 1 µS/cm; 0.01 / 0.1 mS/cm
Conductivity Accuracy ±1.0% FS ± 1 digit
Temperature Compensation Range (0-50) °C (automatic or manual)
Cell Constant 0.1 / 1/10 cm⁻¹
Temperature Measurement Range 0-100 °C
Temperature Resolution 0.1 °C
Temperature Accuracy ±0.5 °C ± 1 digit
Data Storage 500 groups
Storage Contents Record number, measurement value, temperature value, date and time
Power Supply 3 × AA alkaline batteries
Meter Dimensions & Weight (88 × 170 × 33) mm / 313 g
Carrying Case Dimensions & Weight (360 × 270 × 76) mm / 1.6 kg
Connectors RCA for temperature, 8-pin for conductivity
Included Accessories EC8500 meter, 2301T-S conductivity/temperature electrode, electrode clip, software flash drive, USB cable, 50 mL conductivity standard (1413 µS, 12.88 mS), screwdriver (for battery replacement), user manual, carrying case

Applications

  • Water quality monitoring in environmental testing
  • Aquaculture and hydroponics nutrient solution management
  • Industrial process water monitoring and quality control
  • Wastewater treatment plant operations
  • Pharmaceutical and laboratory solution preparation verification
  • Food and beverage production quality assurance
  • Field-based research and environmental surveys
  • Swimming pool and spa water management

Frequently Asked Questions

What is the purpose of the GLP data management feature?
GLP (Good Laboratory Practice) data management ensures compliance with laboratory standards. The EC8500 stores up to 500 measurement records including values, temperature, date, and time, with USB export capability for traceability and regulatory compliance.
Can the EC8500 be used underwater or in wet environments?
Yes, the EC8500 features an IP57 waterproof rating along with a silicon socket protector and grip cap, making it suitable for harsh field conditions and wet environments.
How often should I calibrate the conductivity electrode?
Calibration frequency depends on usage and water type. The meter includes a calibration reminder function and verifies the last calibration status. For routine use, 1-3 point calibration monthly is recommended.
What is the adjustable TDS conversion factor used for?
The TDS conversion factor (0.40-1.00) converts conductivity readings to total dissolved solids. Different water sources require different conversion factors; adjustment allows optimization for specific applications.
Does the meter include temperature compensation?
Yes, the EC8500 features automatic or manual temperature compensation across the range of (0-50) °C, ensuring accurate conductivity measurements across temperature variations.
What electrode is used in this meter?
The meter uses a BPB 2301T-S conductivity/temperature electrode with brush-resistant platinum black coating, providing laboratory-class accuracy (±1.0% FS ± 1 digit) across an ultra-wide range of 0-200,000 µS/cm.