Series 520 - 525

Summary

Product identification

• Product Name: Series 520 & 525 Monitor & Datalogger
• Manufacturer: Aeroqual Limited

Features

• High accuracy & functionality
• Rapid T90 response
• Onboard & PC data logging
• External control signals
• High & Low alarms
• Large easy to read display
• Tamperproof & water resistant
• Interchangeable sensor heads

Specifications

Base unit

• Measurement units: ppm or mg/m³
• Reading functions: Minimum / Maximum / Average / ST-15
• Removable / replaceable sensor head: Yes
• Onboard alarm: Yes - user configurable
• Alarm mute function & status display: Yes
• Low battery indicator: Yes
• Sensor condition status: Yes
• Stand-by mode: Yes
• External signal for alarms & control: Yes - transistor output, 150 mA max
• External signal functions: Low Alarm, High Alarm & Control
• Analogue output: 0 - 5 V
• Power supply: 12 VDC, 800 mA
• Rechargeable battery - UPS: Ni-MH 9.6 VDC; 2100 mA/h
• Permanently fixed: Screw fix
• Operating Temperature: -35°C to 120°C
• Enclosure rating: IP41 & NEMA 2 equivalent
• Enclosure size: 180W x 252H x 90D (mm); 7⅛W x 9⅞H x 3½D (in)
• Enclosure casing: Fibre reinforced polycarbonate
• Approvals: Part 15 of FCC Rules, EN 50082-1: 1997, EN 50081-1: 1992

Data logging

• Data interface with PC: Serial RS232
• Onboard Data Logging: 8,000 data points
• Data logging independent of PC: Yes
• Data logging direct to PC: Yes
• Onboard real-time clock: Yes
• PC software & cable: Yes

Series 525 (with Temperature and Humidity Sensors)

Sensors

• Temperature:
  • Accuracy: ± 0.3 [K] @ 25°C
  • Resolution: 0.04 min resolution
  • Range: -40°C to 124°C
• Relative Humidity:
  • Accuracy: ± 1.8% RH
  • Resolution: 0.4 min resolution
  • Range: 0 to 100%

Disclaimer: This extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror