M800 ISM Process 1-2-4 Channel Transmitter touch screen

Summary

Product Identification

• Series: M800 Transmitter Series
• Key Features: Intelligent diagnostics, iMonitor function, predictive maintenance, intuitive touchscreen, large color display, simultaneous display of one to four measurement points, multi-parameter, mixed-mode input (analog or ISM sensors).
• Available Versions: 1-channel, 2-channel, 4-channel, Profinet interface, hygienic version with stainless steel housing.

Measurement Parameters Supported

• pH / ORP
• Dissolved and gaseous oxygen
• Dissolved CO₂
• Conductivity
• Turbidity (supported only on M800 1-channel)

Operating Limits

• Power Supply: AC (100–240 V) or DC (20–30 V)

Electrical

• Current Outputs (galvanically isolated):
  • M800 1-channel: 4 × 0/4 to 20 mA
  • M800 2-channel: 8 × 0/4 to 20 mA
  • M800 4-channel: 8 × 0/4 to 20 mA
• Digital Inputs:
  • M800 1-channel: 4
  • M800 2-channel: 5
  • M800 4-channel: 6
• Analog Input (galvanically isolated): 1 × 4 to 20 mA (for pressure compensation)
• Relays: 8
• User Interface: Color touchscreen, 5.7" TFT, 320 × 240 pixels, 256 colors

Mechanical / Hydraulic

• Enclosure:
  • Stainless Steel: ½ DIN, IP 66
  • Polycarbonate: ½ DIN, IP 66
• Service Interface: USB port

ISM Features

• Plug and Measure
• Advanced diagnostics tools (DLI, ACT, TTM)
• iMonitor

Approvals

• Stainless Steel Housing: UL
• Polycarbonate Housing: FM Cl1 Div2, UL
• M800 Profinet 1-/2-channel: CE / UL

Ordering Information

• M800 Process 1-channel: 30 026 633
• M800 Process 2-channel: 52 121 813
• M800 Process 4-channel: 52 121 853
• M800 Process 1-channel SST: 30 246 551
• M800 Process 2-channel SST: 30 246 552
• M800 Process 4-channel SST: 30 246 553
• M800 Profinet Process 1-channel: 30 530 021
• M800 Profinet Process 2-channel: 30 530 022

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