The Vaisala Indigo80 is a robust handheld indicator and data logger for industrial spot checks, process diagnostics, field calibration and measurement data analysis.
The Vaisala Indigo80 is an industrial-grade portable indicator and data logger designed for field measurements, process diagnostics, calibration and adjustment work.
Its two probe connections allow technicians to monitor two compatible measurement devices simultaneously. This makes the Indigo80 suitable for comparing reference and installed probes, checking multiple parameters and investigating changing process conditions.
| Feature | Specification |
|---|---|
| Probe Connections | Two compatible measurement devices simultaneously |
| Operating Temperature | -20 °C to +50 °C |
| Storage Temperature | -20 °C to +60 °C |
| Recommended Storage Temperature | Approximately +20 °C |
| Operating and Storage Humidity | 20–85% RH when the ambient temperature is +40 °C or lower |
| Charging Temperature | 0 °C to +45 °C |
| Indicator Protection | IP40 |
| Maximum Operating Altitude | 2,000 metres |
| Battery | Rechargeable 7.2 V, 2,900 mAh lithium-ion battery |
| Charging Interface | USB-C |
| Optional Power Adapter | 45 W USB-C power adapter |
| Compliance | CE, FCC, RCM, UKCA and applicable RoHS requirements |
| Function | Specification |
|---|---|
| Logging Capacity | Up to approximately 5.5 million real-time measurement values |
| Logging Interval | Selectable from 1 second to 12 hours |
| Logging Duration | From 1 minute until the available memory is full |
| Alarm | Audible alarm support |
| Typical HMP80 Logging Time | Up to approximately 58 hours |
| Typical DMP80 Logging Time | Up to approximately 57 hours |
| Typical HMP80 and DMP80 Logging Time | Up to approximately 41 hours |
| Typical HMP110 and GMP252 Logging Time | Up to approximately 28 hours |
| Approximate Charging Time | 2 hours |
Actual battery operating time depends on the connected probes, display settings, operating conditions and logging configuration.
| Measurement Probe | Primary Measurement | Typical Application |
|---|---|---|
| HMP80 | Relative humidity and temperature | Environmental chambers, process spaces, cleanrooms, warehouses and HVAC measurements |
| DMP80 | Dew point and temperature | Compressed air, dry gases, industrial dryers and other low-humidity processes |
| GMP80P | Carbon dioxide using pump-assisted sampling | Incubators, life-science equipment and sampling through access ports |
The Vaisala HMP80 is a portable humidity and temperature probe for spot checking, field calibration and data logging with the Indigo80 indicator.
Two principal probe versions are available to support general environmental measurements and extended-temperature applications.
| Model | Humidity Range | Temperature Range | Recommended Use |
|---|---|---|---|
| HMP80N | 0–100% RH | -20 °C to +60 °C | General humidity and temperature measurements |
| HMP80L | 0–100% RH | -50 °C to +120 °C, with short-duration measurements up to +180 °C | High-temperature chambers and demanding process measurements |
The Vaisala DMP80 is a portable dew point and temperature probe designed for field measurements, process diagnostics, spot checks and calibration with the Indigo80 handheld indicator.
Two versions are available. The DMP80A is intended for relatively humid applications, while the DMP80B extends measurement into very dry environments such as compressed-air systems, dry rooms and industrial gas processes.
| Specification | DMP80A | DMP80B |
|---|---|---|
| Recommended Environment | Humid and general industrial applications | Dry and very low dew point applications |
| Humidity Sensor | Vaisala DRYCAP 180S | Vaisala DRYCAP 180M |
| Dew Point Measurement Range | -40 °C to +60 °C Td/f | -70 °C to +60 °C Td/f |
| Dew Point Accuracy | Up to ±2 °C Td/f | Up to ±2 °C Td/f |
| Temperature Measurement Range | 0 °C to +60 °C | 0 °C to +60 °C |
| Temperature Accuracy | ±0.2 °C at room temperature | ±0.2 °C at room temperature |
| Temperature Sensor | Pt100 RTD Class F0.1 IEC 60751 | Pt100 RTD Class F0.1 IEC 60751 |
| Typical Water Concentration Range | Not the principal output for this model | 10–2,500 ppm |
| Typical Mixing Ratio Range | 0–150 g/kg | Available as a calculated parameter |
| Absolute Humidity Range | 0–130 g/m³ | Available as a calculated parameter |
| Response Condition | DMP80A | DMP80B |
|---|---|---|
| Dry-to-Wet Response, T63 | 5 seconds | 5 seconds |
| Dry-to-Wet Response, T90 | 10 seconds | 15 seconds |
| Wet-to-Dry Response, T63 | 45 seconds | 45 seconds |
| Wet-to-Dry Response, T90 | 5 minutes | 8 minutes |
| Feature | Specification |
|---|---|
| Probe Operating Temperature | -10 °C to +60 °C |
| Storage Temperature | -20 °C to +60 °C |
| Probe-Head Operating Pressure | 0–20 bar absolute |
| Compatible Measurement Gases | Air, nitrogen, hydrogen, argon, helium and oxygen |
| Protection with Cable Connected | IP66 |
| Protection without Cable | IP55 |
| Operating Voltage | 15–30 V DC |
| Current Consumption | 10 mA typical; 500 mA maximum |
| Digital Communication | Non-isolated RS-485 |
| Electrical Connector | M12, 5-pin, A-coded male connector |
| Process Connection Options | G1/2 ISO 228/1 or NPT 1/2 inch |
| Probe Shaft Material | AISI 316L stainless steel |
| Filter Material | Porous AISI 316L stainless steel |
| Weight | Approximately 250 g |
The available parameters depend on the selected DMP80 model, measurement conditions and configured environmental compensation.
The Vaisala GMP80P is a portable carbon dioxide measurement probe with an integrated pump-sampling system. When connected to the Indigo80, it provides a convenient method for sampling gas from incubators, enclosed chambers and other locations that cannot accommodate a directly inserted probe.
The GMP80P uses Vaisala CARBOCAP technology and is particularly suited to life-science incubator verification, spot checking of installed CO₂ transmitters and portable CO₂ measurement.
| Measurement Specification | Performance |
|---|---|
| CO₂ Measurement Range | 0–20% CO₂ |
| Accuracy at 5% CO₂ | ±0.1% CO₂ |
| Accuracy from 0–8% CO₂ | ±0.2% CO₂ |
| Accuracy from 8–20% CO₂ | ±0.4% CO₂ |
| Calibration Uncertainty at 5% CO₂ | ±0.07% CO₂ |
| Calibration Uncertainty at 20% CO₂ | ±0.27% CO₂ |
| Sampling Frequency | 1 second |
| Start-Up Time at +25 °C | Less than 10 seconds |
| Warm-Up Time to Full Specification | Less than 4 minutes |
| Response Time | Less than 1 minute, T90 |
The stated accuracy applies at +25 °C and 1,013 hPa and includes repeatability and non-linearity.
| CO₂ Concentration | Long-Term Stability |
|---|---|
| 0–8% CO₂ | ±0.3% CO₂ per year |
| 8–12% CO₂ | ±0.5% CO₂ per year |
| 12–20% CO₂ | ±1.0% CO₂ per year |
| Feature | Specification |
|---|---|
| Operating Environment | Indoor use |
| Operating Temperature | +15 °C to +40 °C |
| Storage Temperature | -20 °C to +60 °C |
| Operating Humidity | 0–95% RH |
| Storage Humidity | 20–85% RH |
| Protection Rating | IP4X |
| Sample-Gas Flow Rate | Approximately 0.3 litres per minute |
| Operating Voltage | 12–30 V DC |
| Power Consumption | 0.7 W typical; 0.9 W maximum |
| Digital Communication | RS-485 |
| Electrical Connector | M12, 5-pin, A-coded male connector |
| Feature | Specification |
|---|---|
| Probe-Body Dimensions | 114 × 102 × 40 mm, including cable connectors and excluding the sampling pipe |
| Depth with Sampling Pipe | 145 mm |
| Weight | Approximately 410 g |
| Housing Materials | Aluminium and polyamide |
| Sampling Pipe | Stainless steel |
| Optional Gas-Outlet Connection | Barbed fitting for tubing with approximately 4 mm internal diameter |
| Compliance | CE, China RoHS and RCM |
Seacom Process Instruments supplies and supports the Vaisala Indigo80 Portable Meter in Malaysia for industrial spot checks, process diagnostics, field calibration, reference measurements and short-term data logging.
Our team can assist with selecting the correct HMP80 humidity and temperature probe, DMP80 dew-point probe or GMP80P carbon-dioxide probe, together with suitable cables, sampling accessories and field-checking arrangements.
Contact Seacom with your measured parameter, operating range, process conditions, probe connection, calibration requirement and intended application for a suitable Indigo80 portable measurement configuration.
The Vaisala DM70 was a portable meter for dew-point spot checks, process measurements and data logging. It is discontinued and replaced for general dew-point work by the Vaisala Indigo80 handheld indicator with a DMP80A or DMP80B probe.
The Vaisala HM70 was a handheld meter for humidity and temperature spot checks, field measurements, data logging and verification of installed Vaisala instruments. It is discontinued and replaced by the Vaisala Indigo80 handheld indicator with an HMP80 probe.
The DicksonOne TWP provides local touchscreen viewing and cloud-connected monitoring of temperature, relative humidity or differential pressure. Its replaceable sensor system simplifies calibration and supports different monitoring applications using the same logger platform.
The compact Vaisala HM40 Series provides reliable humidity and temperature spot checks for HVAC, construction, warehouses, laboratories, museums and industrial applications.
The Isuzu TH27R paper temperature and humidity recorder has been discontinued and is no longer recommended for new installations. Seacom continues to support existing instruments with selected chart papers and recording pens.
The Vaisala HM70 was a handheld meter for humidity and temperature spot checks, field measurements, data logging and verification of installed Vaisala instruments. It is discontinued and replaced by the Vaisala Indigo80 handheld indicator with an HMP80 probe.
The Sato Mini-Cube 7008-10 records temperature and relative humidity on a seven-day paper chart for routine inspection and filing.
The Sato HIGHEST II combines a dial hygrometer and digital thermometer for convenient local checks of room temperature and humidity.
The Sekonic SP-100 is a portable universal 6-channel chart recorder for temperature and process signals.
Discontinued model. Contact Seacom for availability, pricing and configuration details.
The Vaisala DL2000 combines precision temperature and relative-humidity monitoring with optional analog or door-contact inputs for viewLinc systems.
Sato SK-170GT WBGT Heat Stress Monitor is a portable all-in-one instrument for assessing heat stress in indoor and outdoor working environments.
It measures and displays the WBGT index, ambient temperature, globe temperature and relative humidity. Its built-in black globe detects radiant heat from direct sunlight, hot machinery and surrounding surfaces.
Dickson round chart recorders provide a visible paper record of temperature or temperature and humidity for routine inspection and filing.
Send your existing model number, measurement range and chart reference so we can help identify a suitable configuration.
The Sekonic ST-50A displays temperature and relative humidity and records both on a continuous paper chart.
Being phased out: confirm availability before ordering. Alternatives include the Sato Sigma II for paper records, Sato SK-L754 for electronic logging and Vaisala viewLinc for centralised monitoring.
The Vaisala RFL100 uses secure, long-range VaiNet wireless technology to monitor temperature, relative humidity and carbon dioxide with the AP10 Access Point and viewLinc Continuous Monitoring System.
The Vaisala HMK15 is a portable, power-free humidity calibrator for checking and adjusting humidity probes and transmitters with saturated salt references.
The Vaisala VDL200 is a secure Power-over-Ethernet data logger for monitoring temperature, relative humidity, carbon dioxide and analog or Boolean inputs in controlled and GxP-regulated environments.
Designed for the Vaisala viewLinc Continuous Monitoring System, the VDL200 combines interchangeable smart probes, onboard memory and battery backup to provide reliable, gap-free environmental monitoring.
The Sato SK-L750 Series provides portable, configurable recording for temperature or temperature and humidity, with interchangeable probes, local display, USB communication and microSD data transfer.
The Sekonic ST-50M digital thermohygrograph is discontinued. It combined temperature and humidity measurement with paper chart recording and SD-card storage.
Contact Seacom to match the replacement to your recording requirements. Features and accessories differ from the original ST-50M.
