Knick Elektronische Portavo 904 X Multi Multi-Parameter Instrument for Ex-Region, Digital Memosens Sensors

The Knick Elektronische Portavo 904 X Multi is the world’s only portable multi-parameter instrument with ATEX approval for measurements up to Zone 0/1. Ideal for process industry applications, it enables direct on-site testing of process measuring points and is compatible with almost all analog and digital Memosens sensors. Multiple parameters can be measured without changing sensor cables.

Product Features

• Portable ATEX-approved multi-parameter device for hazardous areas
• Compatible with analog and digital Memosens sensors
• Supports simultaneous measurement of multiple parameters without changing cables
• Data logger with capacity for 5,000 measurement values
• Micro USB connection for easy data transfer to PC
• Paraly SW 112 software included for user-friendly data management
• Sensor quiver protects sensors from damage and drying out
• High-performance polymer housing with low water absorption and high impact resistance
• Over 1,000 hours of measurement using 4x AA batteries
• Mineral glass display ensures long-term readability

Specifications

• pH/mV input (analog): pH -2 to 16 (<0.01), mV -1300 to 1300 (<1% meas. val., <0.3mV/K)
• Temperature input: NTC 30 kΩ -20 to +120°C (<0.2K), Pt 1000 -40 to +250°C (<0.2K)
• Memosens input (ISFET pH): pH -2.000 to +16.000 (<0.01), mV -2000 to +2000 (<1% meas. val., <0.3mV/K), temperature -50 to +250°C (<0.2K)
• Memosens input (Redox): mV -2000 to +2000 (<1% meas. val., <0.3mV/K), temperature -50 to +250°C (<0.2K)
• Conductivity measuring range: 0.001 µS/cm (c<0.05 cm-1), 0.01 µS/cm (c=0.05–0.2 cm-1), 0.1 µS/cm (c>0.2 cm-1)
• TDS, Salinity, Resistivity, Concentration: 0–1999 mg/l, 0.0–45.0 g/kg, 00.00–99.99 MΩ·cm, 0.00–9.99% w/w
• Conductivity input, Memosens: measuring range sensor SE 215 MS: 10 µS/cm to 20 mS/cm
• Temperature compensation: linear 0–20%/K, reference temperature adjustable, 0–120°C
• Memosens input, oxygen (optical): Saturation 0.000–1000.0%, Concentration 0.00 µg/l–100.00 mg/l, Partial pressure 0.0–2000 mbar, Temperature range -20 to +150°C
• Power supply: 4 x AA batteries
• Protection class: IP66/67 with pressure compensation

Benefits

• Portable and ATEX-approved for safe use in hazardous environments
• Measures multiple parameters (pH, ORP, conductivity, oxygen) with a single device
• Supports analog and digital Memosens sensors for maximum flexibility
• Data logging and USB interface simplify recording and analysis
• Robust construction ensures long-term durability in industrial conditions

Why Choose Knick Elektronische Portavo 904 X Multi Multi-Parameter Instrument for Ex-Region, Digital Memosens Sensors?

The Knick Portavo 904 X Multi is a versatile and unique portable multi-parameter instrument. Its ATEX approval, compatibility with analog and digital Memosens sensors, and integrated data logging make it ideal for precise liquid analysis directly at process measuring points in hazardous and industrial environments.