Ideal for long-term, unattended applications
Overview
The HMP60-ET, manufactured by Vaisala, is the replacement temperature and RH sensor for older ET stations. The sensor's cable terminates in a connector and is the ideal length for attachment to the ET107 or ET106 ETo Weather Station.
The HMP60-ET measures both temperature and relative humidity and is suitable for long-term, unattended monitoring. The humidity component features a field-replaceable chip, which eliminates downtime typically required for the recalibration process.
For an existing ET station with an R. M. Young radiation shield, use a new HMP60-ET with an old sensor adapter that is in usable condition. (The HMP60-ET does NOT ship with any adapter.) If the old adapter cannot be reused, contact Campbell Scientific for assistance in selecting an appropriate option. It may be necessary to replace the entire radiation shield.
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Detailed Description
The HMP60-ET uses the INTERCAP® capacitive RH chip. This chip is field-replaceable, which eliminates the downtime typically required for the recalibration process.
Specifications
| Supply Voltage | 5 to 28 Vdc (typically powered by datalogger’s 12 V supply) |
| Typical Current Consumption | 1 mA |
| Maximum Current Consumption | 5 mA |
| Filter Description | 0.2 µm Teflon membrane |
| Settling Time | 1 s |
| Sensor Body Material | AISI 316 stainless steel |
| Filter Cap Material | Chrome-coated ABS plastic |
| Classification | IP65 |
| Filter Diameter | 1.2 cm (0.5 in.) |
| Sensor Diameter | 1.2 cm (0.5 in.) |
| Sensor Length | 7.1 cm (2.8 in.) |
| Cable Length | 137.16 cm (54 in.) |
| Weight | 90.72 g (0.2 lb) |
Temperature |
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| Temperature Sensor | 1000 ohm Platinum Resistance Thermometer |
| Measurement Range | -40° to +60°C |
| Accuracy | ±0.6°C |
Relative Humidity |
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| Sensor | Vaisala’s INTERCAP capacitive chip |
| Measurement Range | 0 to 100% RH (non-condensing) |
| Accuracy (0 to 90% RH) |
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| Accuracy (90 to 100% RH) |
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Compatibility
This sensor is compatible with older ET107, T107, and WSPRO2 stations and retired ET stations such as the ET106, T106, and WSPRO.
Frequently Asked Questions
Number of FAQs related to HMP60-ET: 3
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Not every sensor has different cable termination options. The options available for a particular sensor can be checked by looking in two places in the Ordering information area of the sensor product page:
- Model number
- Cable Termination Options list
If a sensor is offered in an –ET, –ETM, –LC, –LQ, or –QD version, that option’s availability is reflected in the sensor model number. For example, the 034B is offered as the 034B-ET, 034B-ETM, 034B-LC, 034B-LQ, and 034B-QD.
All of the other cable termination options, if available, are listed on the Ordering information area of the sensor product page under “Cable Termination Options.” For example, the 034B-L Wind Set is offered with the –CWS, –PT, and –PW options, as shown in the Ordering information area of the 034B-L product page.
Note: As newer products are added to our inventory, typically, we will list multiple cable termination options under a single sensor model rather than creating multiple model numbers. For example, the HC2S3-L has a –C cable termination option for connecting it to a CS110 instead of offering an HC2S3-LC model.
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Most Campbell Scientific sensors are available as an –L, which indicates a user-specified cable length. If a sensor is listed as an –LX model (where “X” is some other character), that sensor’s cable has a user-specified length, but it terminates with a specific connector for a unique system:
- An –LC model has a user-specified cable length for connection to an ET107, CS110, or retired Metdata1.
- An –LQ model has a user-specified cable length for connection to a RAWS-P weather station.
If a sensor does not have an –L or other –LX designation after the main model number, the sensor has a set cable length. The cable length is listed at the end of the Description field in the product’s Ordering information. For example, the 034B-ET model has a description of “Met One Wind Set for ET Station, 67 inch Cable.” Products with a set cable length terminate, as a default, with pigtails.
If a cable terminates with a special connector for a unique system, the end of the model number designates which system. For example, the 034B-ET model designates the sensor as a 034B for an ET107 system.
- –ET models terminate with the connector for an ET107 weather station.
- –ETM models terminate with the connector for an ET107 weather station, but they also include a special system mounting, which is often convenient when purchasing a replacement part.
- –QD models terminate with the connector for a RAWS-F Quick Deployment Station.
- –PW models terminate with the connector for a PWENC or pre-wired system.
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Many Campbell Scientific sensors are available with different cable termination options. These options include the following:
- The –PT (–PT w/Tinned Wires) option is the default option and does not display on the product line as the other options do. The cable terminates in pigtails that connect directly to a data logger.
- In the –C (–C w/ET/CS110 Connector) option, the cable terminates in a connector that attaches to a CS110 Electric Field Meter or an ET-series weather station.
- In the –CWS (–CWS w/CWS900 Connector) option, the cable terminates in a connector that attaches to a CWS900-series interface. Connection to a CWS900-series interface allows the sensor to be used in a wireless sensor network.
- In the –PW (–PW w/Pre-Wire Connector) option, the cable terminates in a connector that attaches to a prewired enclosure.
- In the –RQ (–RQ w/RAWS Connector) option, the cable terminates in a connector that attaches to a RAWS-P Permanent Remote Automated Weather Station.
Note: The availability of cable termination options varies by sensor. For example, sensors may have none, two, or several options to choose from. If a desired option is not listed for a specific sensor, contact Campbell Scientific for assistance.
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