Vaisala Indigo-Compatible Smart Probes

Use as a stand-alone unit or with an Indigo transmitter for accurate and reliable measurements
  • Modern, compact, and durable design
  • Simple to install, use, and maintain
  • Features RS-485 non-isolated Modbus® RTU for flexible connectivity
  • Connect to Vaisala Insight software for easy self service and data visualization
The Indigo-compatible interchangeable smart probes offer highly accurate and stable measurements, ensuring energy efficiency, safety, and end-product quality in your operations. The probes feature premium Vaisala sensor technologies bringing you the high standards you expect.

Flexible connectivity allows the probe to be used with an Indigo transmitter, Indigo80 meter, or as a standalone unit using the built-in digital Modbus® RTU transmitter. Connect to an Indigo transmitter to view measurements on the spot as well as transmit to automation systems via analog signals, digital outputs, and relays. Indigo80 handheld meter is ideal for measuring, data analysis, and diagnostics in the field.

Download the free Vaisala Insight software to quickly configure the probes and access calibration data. The software features an intuitive graphical user interface and probe field calibration and adjustments. Use the 48-hour data logging functionality to record data from up to six devices simultaneously which can be exported to an Excel-readable format.
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18 variations of this product are available.

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18 PRODUCT OPTIONS
Compareitem specifications
Max Probe Temperature (DegreeF) Min Probe Temperature (DegreeF) Description
Availability Pricing
Vaisala HMP1 Indigo-Compatible RH/Temp Probe, Indoor, 0 to 100% RH, -40 to 140°F, Wall Mount 3780504 Mfr # HMP1
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140 -40
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Vaisala HMP3 Indigo-Compatible RH/Temp Probe, Duct/General Purpose, 0 to 100% RH, –40 to 248°F, 2-m Cable 3780505 Mfr # HMPx 3H1A0A0A000
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248 -40
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Vaisala HMP3 Indigo-Compatible RH/Temp Probe, Duct/General Purpose, 0 to 100% RH, –40 to 248°F, 10-m Cable 3780506 Mfr # HMPx 3A1A0A0A0B0
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248 -40
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Vaisala HMP4 Indigo-Compatible RH/Temp Probe, High Pressure/Vacumm, 0 to 100 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable 3780507 Mfr # HMPx 4B1B0A0A0E0
COMPARE
356 -94
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Vaisala HMP5 Indigo-Compatible RH/Temp Probe, High Temperature, 0 to 100% RH, –94 to 356°F, Mounting Flange, 2-m Cable 3780508 Mfr # HMPx 5C1B0A0A0F0
COMPARE
356 -94
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Vaisala HMP5 Indigo-Compatible RH/Temp Probe, High Temperature, 0 to 100% RH, –94 to 356°F, Mounting Flange, 10-m Cable 3780509 Mfr # HMPx 5D1B0A0A0F0
COMPARE
356 -94
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Vaisala HMP7 Indigo-Compatible RH/Temp Probe, High Humidity/Temp, 0 to 100% RH, –94 to 356°F, 0 to 10 bar, 2-m Cable 3780510 Mfr # HMPx 7E1B0A0A000
COMPARE
356 -94
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Vaisala HMP7 Indigo-Compatible RH/Temp Probe, High Humidity/Temp/Condensing Env, Heated Probe, 0 to 100% RH, –94 to 356°F, 0 to 10 bar, 2-m Cable 3780511 Mfr # HMPx 7E1B2A0A000
COMPARE
356 -94
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Vaisala HMP7 Indigo-Compatible RH/Temp Probe, High Humidity/Temp, 0 to 100% RH, –94 to 356°F, 0 to 10 bar, 10-m Cable 3780512 Mfr # HMPx 7F1B0A0A000
COMPARE
356 -94
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Vaisala HMP7 Indigo-Compatible RH/Temp Probe, High Humidity/Temp/Condensing Env, Heated Probe, 0 to 100% RH, –94 to 356°F, 0 to 10 bar, 10-m Cable 3780513 Mfr # HMPx 7F1B2A0A000
COMPARE
356 -94
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Vaisala HMP8 Indigo-Compatible RH/Temp Probe, Pressurized Process, 0 to 40 bar, 0 to 100% RH, –94 to 356°F, 1/2" NPT Thread, 2-m Cable 3780514 Mfr # HMPx 8G1B0A0A0M0
COMPARE
356 -94
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Vaisala DMP5 Indigo-Compatible Dew Point Probe, High Temperature, –40 to 212°F Dew Point, 32 to 356°F, Mounting Flange, 2-m Cable 3780515 Mfr # DMPx 5A1A0A0A0A0
COMPARE
356 32
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Vaisala DMP5 Indigo-Compatible Dew Point Probe, High Temperature, –40 to 212°F Dew Point, 32 to 356°F, Mounting Flange, 10-m Cable 3780516 Mfr # DMPx 5B1A0A0A0A0
COMPARE
356 32
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Vaisala DMP6 Indigo-Compatible Dew Point Probe, Very High Temperature, –13 to 212°F Dew Point, 212 to 662°F, Passive Cooling Coil, 2-m Cable 3780517 Mfr # DMPx 6C1C0A0A0B0
COMPARE
662 212
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Vaisala DMP6 Indigo-Compatible Dew Point Probe, Very High Temperature, –13 to 212°F Dew Point, 212 to 662°F, Passive Cooling Coil, 10-m Cable 3780518 Mfr # DMPx 6G1C0A0A0B0
COMPARE
662 212
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Vaisala DMP7 Indigo-Compatible Dew Point Probe, Tight Space, –94 to 176°F Dew Point, 32 to 176°F, Wall Mount 3780519 Mfr # DMPx 7H2A0A0A000
COMPARE
176 32
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Vaisala DMP7 Indigo-Compatible Dew Point Probe, Tight Space, –94 to 176°F Dew Point, 32 to 176°F, 1/2" NPT Swagelok 3780520 Mfr # DMPx 7D2A0A0A0D0
COMPARE
176 32
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Vaisala DMP8 Indigo-Compatible Dew Point Probe, Pressurized Process, –94 to 176°F Dew Point, 32 to 176°F, 1/2" NPT Thread, 2-m Cable 3780521 Mfr # DMPx 8F2A3A0A0H0
COMPARE
176 32
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