Overview
The TE525-ET, manufactured by Texas Electronics, has a 6 in. orifice and measures rainfall in 0.01 in. increments. The TE525-ET funnels precipitation into a bucket mechanism that tips when filled to a calibrated level.
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Benefits and Features
- Accuracy is ±1 percent at rates up to 1 in./hr
- Compatible with all Campbell Scientific data loggers (including the CR200(X) series)
- High precision—tips at 0.01-in. increments
- Compatible with the CWS900-series interfaces, allowing it to be used in a wireless sensor network
The "-ET" version of this product has a cable that terminates in a connector (instead of pigtails) and is the ideal length for attachment to an ET106 or ET107 Weather Station.
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Detailed Description
For this version of the TE525 tipping bucket rain gauge, the cable terminates in a connector and is the ideal length for attachment to the ET107 or ET106 ETo Weather Station. The TE525-ET has a 6" orifice and measures rainfall in 0.01 inch increments. The TE525-ET funnels precipitation into a bucket mechanism that tips when filled to when filled to a calibrated level.
Compatibility
For this version of the TE525 tipping bucket rain gauge, the cable terminates in a connector and is the ideal length for attachment to the ET107 or ET106 ETo Weather Station.
Specifications
| Sensor Type | Tipping bucket/magnetic reed switch |
| Material | Anodized aluminum |
| Temperature | 0° to 50°C |
| Resolution | 1 tip |
| Volume per Tip | 4.73 ml/tip (0.16 fl. oz/tip) |
| Rainfall per Tip | 0.254 mm (0.01 in.) |
| Accuracy | 1.0% up to 2 in./h (50 mm/h) |
| Cable | 2-conductor shielded |
| Funnel Collector Diameter | 15.4 cm (6.06 in.) |
| Height | 24.1 cm (9.5 in.) |
| Cable Length | 139.7 cm (55 in.) |
| Tipping Bucket Weight | 0.9 kg (2.0 lb) |
| Cable Weight | 0.1 kg (0.2 lb) per 3.05 m (10 ft) length |
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Frequently Asked Questions
Number of FAQs related to TE525-ET: 11
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The CS705 Tipping Bucket Snowfall Adapter cannot be used directly with the TE525-L or TE525MM-L because of the funnel size. To make the rain gages compatible, they can either be sent to Campbell Scientific to be converted to a TE525WS-L, or an 8 inch funnel can be installed. If the funnel is used, see the instruction manual for the appropriate multipliers, as they will change.
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A TE525-L can be converted to a TE525MM-L and vice versa because the inner tipping mechanisms are the same. To convert a TE525-L or TE525MM-L to a TE525WS-L, the rain gage must be sent in to Campbell Scientific to change the tipping mechanism. If an 8 inch funnel is used on a TE525-L or TE525MM-L without changing the tipping mechanism, the multipliers for the rain measurement will change. For information about these multipliers, see the TE525 Instruction Manual.
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Not enough tips or too many tips.
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To incorporate a sensor that is compatible with wireless sensor interfaces into a wireless network, a CWS900-series wireless sensor interface is needed, as well as an A205 CWS-to-PC interface to configure it.
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The 260-953 Alter-type rain gage wind screen consists of 32 heavy metal leaves that hang freely and swing as the wind moves past them. The swinging leaves act as a wind damper and help minimize the effect of wind on the rain measurements without adding additional turbulence.
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The most common errors are either that the rain gage appears to have drifted out of calibration or that the tips are not being correctly recorded by the data logger.
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When a rain gage is out of calibration, it is usually because of the buildup of dirt and grime on the internal surfaces of the tipping bucket mechanism. Cleaning the internal surfaces usually brings the rain gage back into calibration. It is also possible that a rain gage is out of calibration because it is no longer level.
To minimize the possible occurrence of calibration errors, perform routine cleaning and maintenance of the rain gage at least once every three months. The environmental conditions at a particular site may require a facility to perform cleaning, leveling, and maintenance on a much more frequent schedule.
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This depends on the information contained in the calibration sheet:
- If the calibration sheet contains coefficient information, Campbell Scientific keeps a copy, and a replacement copy can be requested.
- If the calibration sheet does not contain coefficients, Campbell Scientific does not keep a copy. It may be possible to contact the original manufacturer for a replacement copy.
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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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