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GMP252 catalogue
CO₂ Probe GMP252
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Vaisala Indigo200 Series Transmitters
The Vaisala Indigo200 Series is the standard transmitter platform for one interchangeable Indigo-compatible smart probe, providing local display and practical automation-system connectivity.
- Indigo201 with three analog outputs and two relays
- Indigo202 with Modbus RTU and two relays
- Colour display with numerical and graphical views
- IP65 enclosure for industrial measurement applications
Vaisala Indigo200 Standard Transmitter Platform
The Vaisala Indigo200 Series is the standard and most accessible transmitter platform for one Vaisala Indigo-compatible smart probe. It adds local measurement display, automation outputs, configurable relays, convenient wiring and mechanical support to the intelligence already built into the connected probe.
Choose Indigo201 for analog-output applications or Indigo202 for Modbus RTU communication. Both models support two configurable relays and interchangeable probes for humidity, temperature, dew point, carbon dioxide, moisture in oil and vaporized hydrogen peroxide.
Why Choose Indigo200?
- Standard Indigo Platform: A practical choice for routine single-probe industrial measurement and control.
- Plug-and-Play Probe Connection: Connect one compatible smart probe directly or by cable.
- Local Visualisation: Colour display provides numerical, graphical and device-status views.
- Output Choice: Indigo201 provides three analog channels; Indigo202 provides RS-485 Modbus RTU.
- Two Relays: Configurable relays support alarms and simple control functions.
- Service-Friendly: Detachable probes can be calibrated or exchanged without replacing the host transmitter.
- Industrial Enclosure: Smooth IP65 housing is suitable for many demanding indoor environments.
Selecting the Correct Indigo Transmitter
| Transmitter | Position | Connected Probes | Main Outputs | Best Fit |
|---|---|---|---|---|
| Indigo200 | Standard | One | Indigo201: 3 analog + 2 relays; Indigo202: Modbus RTU + 2 relays | Normal industrial measurement and control |
| 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 |
Selection note: Choose Indigo200 when standard analog or Modbus RTU connectivity is sufficient. Select Indigo300 for a rugged IP66 metal housing and three analog outputs. Move to Indigo510 or Indigo520 when Ethernet, a web interface, galvanically isolated outputs or flagship system capabilities are required.
Indigo201 and Indigo202 Comparison
| Feature | Indigo201 | Indigo202 |
|---|---|---|
| Primary Application | Analog-output systems | Digital automation systems |
| Analog Outputs | Three configurable current or voltage channels | — |
| Digital Output | — | RS-485 Modbus RTU |
| Relays | Two configurable relays | Two configurable relays |
| Display | Colour display; non-display version available | Colour display |
| Connected Probes | One | One |
General Specifications
| Feature | Specification |
|---|---|
| Probe Capacity | One Indigo-compatible smart probe |
| Enclosure | IP65 |
| Power Input | Nominal 24 V AC/DC according to model specification |
| Operating Temperature | -40 °C to +60 °C without display; -20 °C to +60 °C with display |
| Probe Installation | Direct connection or remote connection using a compatible cable |
| Configuration | Local user interface and supported Vaisala service tools |
Compatible Measurement Probes
- Humidity and Temperature: HMP1, HMP3, HMP4, HMP5, HMP7, HMP8 and HMP9
- Temperature: TMP1
- Dew Point: DMP5, DMP6, DMP7 and DMP8
- Carbon Dioxide: GMP251 and GMP252
- Moisture in Oil: MMP8
- Vaporized Hydrogen Peroxide: HPP271 and HPP272
Probe compatibility can depend on transmitter generation, connection method and firmware. Confirm the complete transmitter, probe and cable configuration before ordering.
Typical Applications
- Industrial drying and compressed-air systems
- Incubators, cold storage and controlled environments
- Industrial HVAC and environmental chambers
- CO₂ monitoring and safety applications
- Hydraulic and lubrication-oil monitoring
- Vaporized-hydrogen-peroxide bio-decontamination
Vaisala Indigo200 Supplier in Malaysia
Seacom Process Instruments supplies and supports Vaisala Indigo201 and Indigo202 transmitters in Malaysia. Contact our team to select the correct probe, output model, display, relay configuration, probe cable and installation accessories.
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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.
- Direct in-line measurement at process temperatures up to +180 °C
- Dew point measurement range from −40 to +100 °C Td/f
- Long probe reaches through insulation and thick process walls
- Built-in Modbus RTU or integration with Vaisala Indigo transmitters
- Connect to Indigo80 for portable display, diagnostics, configuration and field calibration
The Vaisala DRYCAP® Dew Point Probe DMP6 measures humidity directly inside very hot industrial processes using a robust probe and passive cooling set.
- Direct in-line measurement at process temperatures from +100 to +350 °C
- Dew point measurement range from −25 to +100 °C Td/f
- Passive cooling requires no power, cooling water or moving components
- Built-in Modbus RTU or integration with Vaisala Indigo transmitters
- Connect to Indigo80 for portable display, diagnostics, configuration and field calibration
The Vaisala DRYCAP® Dew Point and Temperature Probe DMP8 provides reliable low-humidity measurement in pressurised pipelines with adjustable installation depth.
- Dew point measurement range from −70 to +80 °C Td/f
- Designed for pressurised processes from 0 to 40 bar absolute
- Adjustable insertion depth with ISO R 1/2 or NPT 1/2 process connection
- Optional ball-valve kit permits insertion and removal without shutting down the process
- Use with Modbus RTU, an Indigo transmitter or the portable Indigo80 handheld indicator
The Vaisala HMP155 provides stable humidity and temperature measurement for automatic weather stations, road-weather systems, airports, research sites and demanding outdoor monitoring.
- Relative-humidity measurement from 0 to 100 %RH
- Operating range from −80 to +60 °C
- HMP155A with two analogue voltage outputs
- HMP155D with RH voltage output and passive four-wire Pt100 temperature
- HMP155E with RS-485 digital output
- Optional warmed probe, chemical purge and additional temperature sensor
The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.
- Humidity accuracy up to ±0.8% RH
- Temperature measurement from −40 to +120 °C
- Field-replaceable filter and HUMICAP sensor option
- Standalone Modbus RTU or Vaisala Indigo transmitter operation
The Vaisala HMP7 is designed for continuously humid, rapidly changing and near-condensing environments. Probe heating helps prevent condensation while maintaining reliable process measurement.
- Humidity accuracy up to ±0.8% RH
- Probe heating for condensation prevention
- −70 to +180 °C probe-head measurement range
- Standalone Modbus RTU or Vaisala Indigo transmitter operation
The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.
- Humidity accuracy up to ±0.8% RH
- Operating pressure from vacuum to 40 bar
- Adjustable insertion depth with two probe lengths
- Optional ball valve for insertion and removal under process conditions
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.
- Humidity accuracy up to ±0.8% RH
- Temperature accuracy up to ±0.1 °C
- −40 to +120 °C probe-head measurement range
- Standalone Modbus RTU or Vaisala Indigo transmitter operation
The Vaisala MMP8 provides continuous online measurement of dissolved moisture and temperature in transformer oil, lubrication oil, hydraulic fluid and other liquid hydrocarbons.
- Measures water activity from 0 to 1 aw, relative saturation, temperature and ppmw
- Dry-end accuracy up to ±0.01 aw or ±1%RS
- Temperature measurement from −40 to +180 °C
- Available in standard 262 mm and long 448 mm probe versions
- Adjustable insertion depth with ISO 1/2 or NPT 1/2 process fittings
- Standalone Modbus RTU or connection to Vaisala Indigo transmitters
The Vaisala TMP1 is a robust temperature-only probe for demanding industrial processes, pharmaceutical applications and calibration laboratories.
- Temperature measurement range from −70 to +180 °C
- Accuracy up to ±0.1 °C at +23 °C with standard calibration
- Pt100 RTD Class F0.1 sensor according to IEC 60751
- Standalone Modbus RTU over RS-485
- Compatible with Vaisala Indigo200, Indigo300, Indigo500 and Indigo80
- Traceable two-point calibration certificate included
- Ask Seacom about the suitable TMP1 configuration
16 other products in the same category:
The Vaisala HMT140 Wi-Fi Data Logger has been discontinued and is no longer recommended for new monitoring systems.
- Primary replacement: Vaisala RFL100 with AP10 VaiNet Access Point
- Existing HMT140 installations can continue to be supported
- Migration should be checked against the existing sensor and input type
- Contact Seacom for replacement selection and viewLinc compatibility
The Vaisala HMW90 Series provides high-accuracy humidity and temperature measurement for demanding indoor HVAC and controlled-environment applications.
- Humidity accuracy up to ±1.7% RH
- Analog or Modbus RTU output models
- Optional display and configurable relay
- Replaceable measurement module with calibration certificate
The Vaisala HMM105 provides reliable humidity measurement for integration into environmental chambers, incubators and OEM equipment.
- 0–100% RH measurement range
- I2C output for relative humidity or dew point
- Detachable 12 mm probe with 300 mm flexible cable
- Probe withstands +180 °C continuously and +200 °C temporarily
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.
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 XMP10 Series comprises compact humidity and temperature probes offering accuracy levels up to ±1% RH and ±0.1 °C for demanding HVAC, data-centre and critical-environment applications.
The probes feature analog or Modbus RTU outputs, a standard M8 connector, an IP65-rated body and compatibility with Vaisala Origo10 modular HVAC transmitters.
The Vaisala HMD60 Series provides high-accuracy humidity and temperature measurement for demanding HVAC ducts and light-industrial applications.
- Humidity accuracy up to ±1.5% RH
- Temperature accuracy up to ±0.1 °C
- Analog, Modbus RTU and BACnet MS/TP options
- Robust IP66 metal enclosure
The Vaisala HMP155 provides stable humidity and temperature measurement for automatic weather stations, road-weather systems, airports, research sites and demanding outdoor monitoring.
- Relative-humidity measurement from 0 to 100 %RH
- Operating range from −80 to +60 °C
- HMP155A with two analogue voltage outputs
- HMP155D with RH voltage output and passive four-wire Pt100 temperature
- HMP155E with RS-485 digital output
- Optional warmed probe, chemical purge and additional temperature sensor
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.
- Humidity accuracy up to ±1.0% RH
- Temperature accuracy up to ±0.2 °C
- 0–100% RH and −40 to +60 °C measurement ranges
- Modbus RTU and full Vaisala Indigo compatibility
The Vaisala GMW90 Series provides stable wall-mounted carbon-dioxide and temperature measurement, with optional humidity, for demanding HVAC and building-automation applications.
- Carbon-dioxide measurement from 0 to 5000 ppm
- CO₂ accuracy up to ±(30 ppm + 2% of reading)
- Temperature measurement from −5 to +55 °C
- Optional HUMICAP® relative-humidity measurement from 0 to 95 %RH
- Voltage, current or Modbus RTU output models
- Display and CO₂ status-indicator options
- Field-exchangeable calibrated measurement modules
- Traceable three-point CO₂ calibration certificate included
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.
- Humidity accuracy up to ±0.8% RH
- Temperature accuracy up to ±0.1 °C
- −40 to +120 °C probe-head measurement range
- Standalone Modbus RTU or Vaisala Indigo transmitter operation
The Vaisala HMT330 Series was a flagship industrial transmitter platform for humidity, temperature and calculated moisture parameters. It is discontinued and replaced by an Indigo500 transmitter with the HMP probe selected for the application.
- HMT331 wall mounting → HMP1 with Indigo500
- HMT333 ducts and tight spaces → HMP3 or HMP9 with Indigo500
- HMT334 high pressure and vacuum → HMP4 with Indigo500
- HMT335 high temperature → HMP5 with Indigo500
- HMT337 high humidity → HMP7 with Indigo500
- HMT338 pressurised pipelines → HMP8 with Indigo500
The Vaisala HMP8 provides high-accuracy humidity and temperature measurement in compressed air, refrigerant dryers and pressurised industrial processes up to 40 bar.
- Humidity accuracy up to ±0.8% RH
- Operating pressure from vacuum to 40 bar
- Adjustable insertion depth with two probe lengths
- Optional ball valve for insertion and removal under process conditions
The Vaisala HMP3 is a high-accuracy, field-maintainable probe for industrial HVAC, air-handling units, cleanrooms, paint booths and environmental chambers.
- Humidity accuracy up to ±0.8% RH
- Temperature measurement from −40 to +120 °C
- Field-replaceable filter and HUMICAP sensor option
- Standalone Modbus RTU or Vaisala Indigo transmitter operation
The Vaisala PTU300 combined barometric pressure, relative humidity and temperature in one transmitter. The series is discontinued and has been replaced by a suitable Indigo520 barometric-pressure configuration with an application-specific HMP probe.
- Legacy three-in-one pressure, humidity and temperature transmitter
- PTU301, PTU303, PTU304, PTU305, PTU307 and PTU308 variants
- Former applications include laboratories, meteorology and semiconductor measurement
- Current replacement platform: Indigo520 with barometric-pressure measurement
- Humidity probe selected according to mounting and process conditions
- Existing wiring, outputs and process connections require migration review
The Vaisala HMP110 is a high-accuracy humidity and temperature probe designed for demanding equipment integration, environmental chambers, data loggers, incubators and controlled-environment applications.
It provides ±1.5% RH accuracy, a 0–100% RH range, −40 °C to +80 °C temperature measurement, a chemically resistant HUMICAP 180R sensor and analog or Modbus RTU output options.