The Vaisala Indigo500 Series provides flagship industrial measurement integration: choose Indigo510 for a simplified single-probe system or Indigo520 for full dual-probe capability.
The Vaisala Indigo500 Series is the flagship transmitter platform for Vaisala Indigo-compatible smart probes. It combines a rugged IP66 and NEMA 4 metal enclosure with isolated analog outputs, Ethernet connectivity, Modbus TCP communication, a browser-based interface and optional touchscreen display.
Indigo510 is the simplified flagship for one probe and two analog outputs. Indigo520 is the full flagship, supporting two probes simultaneously, four analog outputs and two configurable relays.
| Feature | Indigo510 | Indigo520 |
|---|---|---|
| Product Position | Simplified flagship | Full flagship |
| Connected Probes | One | Two simultaneously |
| Analog Outputs | Two isolated channels | Four isolated channels |
| Relays | — | Two configurable relays |
| Ethernet and Web Interface | Yes | Yes |
| Modbus TCP | Yes | Yes |
| Recommended Use | Premium single-measurement system | Multi-parameter and advanced control system |
Choose Indigo510 when one probe and two outputs are sufficient. Choose Indigo520 when two probes must operate together, more analog signals are required, or relay control is needed.
| Transmitter | Position | Connected Probes | Main Outputs | Best Fit |
|---|---|---|---|---|
| Indigo200 | Standard | One | Analog or Modbus RTU model; 2 relays | Normal industrial measurement |
| Indigo300 | Intermediate | One | 3 analog outputs | Rugged metal installation with analog signals |
| Indigo510 | Simplified flagship | One | 2 isolated analog outputs, Ethernet and Modbus TCP | Premium single-probe integration |
| Indigo520 | Full flagship | Two simultaneously | 4 isolated analog outputs, 2 relays, Ethernet and Modbus TCP | Advanced dual-probe systems |
| Specification | Indigo510 | Indigo520 |
|---|---|---|
| Number of Channels | Two | Four |
| Voltage Modes | 0–1 V, 0–5 V or 0–10 V, scalable | 0–1 V, 0–5 V or 0–10 V, scalable |
| Current Modes | 4–20 mA or 0–20 mA, scalable | 4–20 mA or 0–20 mA, scalable |
| Isolation | Isolated from power supply | Isolated from power supply |
| Accuracy at +20 °C | ±0.05% of full scale | ±0.05% of full scale |
PoE note: Analog outputs are not available in Power-over-Ethernet transmitter configurations. Confirm the required power and output combination before ordering.
| Probe Combination | Application |
|---|---|
| HMP7 + TMP1 | High-humidity measurement with independently measured process temperature |
| HMP Series + GMP252 | Humidity, temperature and ppm-level CO₂ monitoring |
| HPP272 + compatible second probe | Bio-decontamination measurement and supporting environmental data |
| Two process probes | Two measurement locations or complementary process parameters through one transmitter |
The Indigo500 platform combines with the appropriate smart probe to replace several legacy fixed-transmitter families:
Seacom Process Instruments supplies and supports Vaisala Indigo510 and Indigo520 transmitters in Malaysia. Our team can assist with probe selection, single- or dual-probe architecture, analog-output assignment, relay configuration, Ethernet integration, powering options, cabling and commissioning.
The Vaisala DRYCAP® Dew Point and Temperature Probe DMP5 measures humidity directly in hot industrial processes with a long stainless-steel probe and adjustable installation depth.
The Vaisala DRYCAP® Dew Point Probe DMP6 measures humidity directly inside very hot industrial processes using a robust probe and passive cooling set.
The Vaisala DRYCAP® Dew Point and Temperature Probe DMP8 provides reliable low-humidity measurement in pressurised pipelines with adjustable installation depth.
The Vaisala HMP155 provides stable humidity and temperature measurement for automatic weather stations, road-weather systems, airports, research sites and demanding outdoor monitoring.
The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.
The Vaisala HMP7 is designed for continuously humid, rapidly changing and near-condensing environments. Probe heating helps prevent condensation while maintaining reliable process measurement.
The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.
The Vaisala HMP9 combines a miniature 5 mm probe head with fast-response, high-accuracy humidity and temperature measurement for tight spaces and rapidly changing environments.
The Vaisala MMP8 provides continuous online measurement of dissolved moisture and temperature in transformer oil, lubrication oil, hydraulic fluid and other liquid hydrocarbons.
The Vaisala TMP1 is a robust temperature-only probe for demanding industrial processes, pharmaceutical applications and calibration laboratories.
The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.
The Vaisala HMT140 Wi-Fi Data Logger has been discontinued and is no longer recommended for new monitoring systems.
The Vaisala HMT360 Series was an intrinsically safe transmitter platform for humidity, temperature and moisture measurement in hazardous areas. It is discontinued and replaced by the Vaisala HMT370EX with an application-specific probe.
The Vaisala XMW85 Series provides reliable indoor CO2, humidity and temperature measurement for demand-controlled ventilation, smart buildings and indoor air-quality monitoring.
All models support Modbus RTU over RS-485, with two-in-one and three-in-one measurement configurations and optional metric or non-metric displays.
The Vaisala HMP4 provides high-accuracy humidity and temperature measurement in compressed air, breathing air, industrial gases, vacuum systems and other processes operating at pressures up to 100 bar.
The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.
The Vaisala GMW90 Series provides stable wall-mounted carbon-dioxide and temperature measurement, with optional humidity, for demanding HVAC and building-automation applications.
The Vaisala HMW90 Series provides high-accuracy humidity and temperature measurement for demanding indoor HVAC and controlled-environment applications.
The Vaisala HMP7 is designed for continuously humid, rapidly changing and near-condensing environments. Probe heating helps prevent condensation while maintaining reliable process measurement.
The Vaisala Origo10 Series comprises modular HVAC transmitters with interchangeable probes for humidity, temperature, CO2 and dew-point measurement.
Available with analog, Modbus RTU and BACnet MS/TP outputs, wall or duct mounting, an optional display and an IP65-rated enclosure.
The Vaisala HMT370EX provides intrinsically safe humidity and temperature measurement with HMP-series probes. The new DMP370 configuration combines the HMT370EX transmitter with a DMP37X DRYCAP® probe for low-dew-point measurement in hazardous locations.
DMP370 availability: Vaisala plans first deliveries for Q1 2027. Contact Seacom for configuration and project lead time.
The Vaisala HMM100 provides reliable humidity measurement and a configurable analog output for integration into environmental chambers and OEM equipment.
The Vaisala HMP1 is a high-accuracy, interchangeable humidity and temperature probe for indoor spaces. It connects directly to an Indigo200 or Indigo300 transmitter to create a compact wall-mounted measurement system.
The Vaisala Indigo520 Supervisor manages up to 100 compatible compact humidity and temperature probes through one host unit. It provides local visibility for the maintenance team and Modbus TCP communication for data centre BMS integration.
Expected availability: early 2027. Enquire with Seacom for configuration and delivery confirmation.
The Vaisala HMD60 Series provides high-accuracy humidity and temperature measurement for demanding HVAC ducts and light-industrial applications.
The Vaisala Indigo300 is a rugged industrial transmitter for one Vaisala Indigo-compatible smart probe, providing local measurement display and up to three configurable analog outputs.
Its corrosion-resistant IP66 metal enclosure, flexible probe mounting and interchangeable probe design make Indigo300 suitable for humidity, temperature, dew point, CO2, moisture in oil and other demanding industrial measurements.
