The Vaisala Indigo520 Industrial Multi-Probe Transmitter, configuration code INDIGO520 B2N9AANAAN, is 100% engineered and manufactured in Finland by Vaisala Oyj – the undisputed global benchmark in meteorological and industrial environmental instrumentation. Functioning as a high-performance central data processing engine within Vaisala’s flagship Indigo platform, the Indigo520 simultaneously connects, powers, and processes measurement streams from two independent Vaisala Indigo-compatible smart probes (including HMP humidity/temperature probes, DMP dew point probes, GMP CO2 probes, HPP vaporized H2O2 probes, and MMP moisture-in-oil probes).

The specific configuration INDIGO520 B2N9AANAAN is engineered as a "Blind Transmitter" (featuring no front-panel physical display). This architecture provides superior cost efficiency and tamper-proof operational security, making it specifically suited for integration within closed electrical control panels, remote utility rooms, or elevated plant locations where telemetry is remotely aggregated by plant-wide SCADA systems, PLCs, or Building Management Systems (BMS). Despite having no local display screen, technicians can easily configure parameters, establish alarm setpoints, review graphical trend data, and execute firmware upgrades via the integrated industrial Ethernet port utilizing the embedded secure Web Server interface (accessible directly via any standard web browser without requiring dedicated software installations).

From a hardware standpoint, this model is powered by a universal AC power supply unit (100...240 VAC, 50/60 Hz) and comes complete with a European standard power cable (EUR Cord), ensuring out-of-the-box compatibility with industrial mains infrastructure. The rugged enclosure is constructed from corrosion-resistant die-cast aluminum coated with industrial protective epoxy paint, certified to IP66 (NEMA 4X) ingress protection standards to reliably withstand washdowns, airborne particulate loads, and aggressive chemical cleaning regimes. Supplied with a versatile Cable Gland Set (including a pre-installed M20x1.5 gland), a dedicated single-probe lead-through gland, a 0.2-meter specialized probe connection cable (P/N: CBL210896-03MSP), and a standard mounting kit, the Indigo520 delivers unmatched system reliability, measurement precision, and continuous operational uptime.

• Manufacturer: Vaisala Oyj
• Origin: 100% Finland
• Product Series: Universal Multi-Probe Industrial Transmitter
• Model / Configuration Code: INDIGO520 B2N9AANAAN
• Display Option: No Display (Blind Transmitter), fully managed via internal Ethernet Web Server
• Probe Connectivity: Supports 2 detachable Vaisala Indigo smart probes simultaneously
• Compatible Probes: Vaisala HMP (Humidity & Temperature), DMP (Dew Point), GMP (CO2), MMP (Moisture in Oil), HPP (Vaporized H2O2), and TMP (Temperature) probe series
• Power Supply: Universal AC Power (100 ... 240 VAC, ±10%, 50/60 Hz)
• Power Cord: European standard power cord (EUR Cord)
• Internal Module Option: No Module (no internal barometer installed)
• Analog Outputs: 4 isolated analog outputs (configurable 0/4...20 mA current loop or 0...1/5/10 V voltage)
• Relay Outputs: 4 configurable SPDT industrial relays (rated up to 250 VAC, 3 A / 30 VDC, 3 A)
• Digital Communication & Interface: RJ45 Ethernet port (10/100 Mbit/s) with secure embedded Web Server (HTTPS), supporting Modbus TCP/IP protocol
• Signal Cable Lead-Through: Cable Gland Set (conduit fittings, cable glands, split seals), includes 1 pre-installed M20x1.5 gland
• Probe Cable Lead-Through: Cable gland for one probe installation
• Included Probe Cable: 0.2 m (0.65 ft) probe cable (P/N: CBL210896-03MSP)
• Mounting Hardware: Standard Mounting Kit for wall or surface installation
• Software Configuration: Standard factory software configuration
• Documentation: Multilingual Quick Guide included
• Enclosure Material: Heavy-duty die-cast aluminum (EN AC-43500) with chemical-resistant coating
• Enclosure Protection Rating: IP66 (NEMA 4X)
• Operating Temperature Range: -40 °C to +60 °C (-40 °F to +140 °F)
• Unit Weight: Approx. 1.4 kg (3.1 lbs)
• Applicable Industries: Pharmaceutical manufacturing and GMP cleanrooms, semiconductor and microelectronics fabrication, electric vehicle (EV) battery manufacturing, industrial desiccant compressed air drying systems, bio-decontamination facilities (vaporized H2O2), high-voltage transformer oil monitoring, and commercial building management systems (BMS/SCADA).