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.
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