Good for air-quality applications
Overview
The 43347-L, manufactured by R. M. Young, is a highly accurate RTD that often provides delta temperature measurements for air-quality applications. To greatly reduce radiation errors, house your 43347-L in a 43502 fan-aspirated radiation shield.
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Benefits and Features
- Uses 1000 Ω RTD for highly accurate air temperature measurements
- Well-suited for air-quality applications
- 43502 fan-aspirated radiation shield reduces radiation errors for more accurate measurements
- Ideal for delta temperature measurements used in calculating atmospheric stability class
The "-L" on a product model indicates that the cable length is specified at the time of order.
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Detailed Description
To determine delta temperature, a 43347 probe mounted in a 43502 shield is attached to the mast of a UT20 or UT30 tower, while another 43347 probe mounted in a 43502 shield is attached to the tower at a 2-m height. (The 43502 attaches to the legs of a UT20 or UT30 tower via a CM202, CM203, CM204, or CM206 crossarm. Two CM210s can be used to attach the crossarm to two tower legs.) The temperature difference of the two measurement heights is calculated and used to determine atmospheric stability as required by the EPA.
The 43347 may also be housed in a 41003-5 Naturally Aspirated Shield if fan-driven aspiration is not required. Additional hardware is required (see Ordering Info and Compatibility).
The standard 43347 probe has an RTD uncertainty of ±0.3°C. If increased accuracy is required, a three-point calibration can be ordered that allows the RTD to have an uncertainty of only ±0.1°C.
Specifications
| Sensor Description | 1000 Ω Platinum RTD |
| Measurement Description | Temperature |
| Signal Type/Output | Analog voltage |
| Operating Temperature Range | ±50°C |
| Range | ±50°C |
| Accuracy | ±0.3°C at 0°C; ±0.1°C with NIST calibration |
| Temperature Coefficient | 0.00375 Ω/Ω °C |
| Radiation Error / Ambient Temperature | < 0.2°C RMS at 1000 W/m2 intensity (when housed in the 43502 shield) |
| Radiation Error / Delta T | < 0.05°C RMS with 43502 shields equally exposed (when housed in the 43502 shield) |
| Stainless-Steel Sheath Diameter | 0.478 cm (0.188 in.) |
| Stainless-Steel Sheath Length | 6.12 cm (2.41 in.) |
| Probe Tip Length | 10.08 cm (3.97 in.) stainless-steel sheath and molded plastic |
| Length | 17.8 cm (7 in.) |
| Weight | 0.54 kg (1.2 lb) |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| CR1000 (retired) | ||
| CR1000X | ||
| CR300 | ||
| CR3000 (retired) | ||
| CR310 | ||
| CR350 | ||
| CR6 | ||
| CR800 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR850 (retired) |
Additional Compatibility Information
Mounting
The 43347 is typically housed in a 43502 Aspirated Radiation Shield to provide delta-temperature measurements for air quality applications. Delta temperature measurements use two 43502s attached at different heights.
The 41003-5 naturally aspirated radiation shield can serve as an alternative to the 43502 if a fan-driven aspiration shield is not required. The 27251 split nut plug must be used.
Both the 43502 and 41003-5 can be attached to either a mast or crossarm.
Data Logger Considerations
The 43347 comes in two versions—the "IX" version and the "VX" version. The "IX" version connects to a current excitation channel; only the CR3000 and CR5000 are compatible with the -IX.
The "VX" version connects directly to voltage excitation channels. All compatible data loggers can use the VX version.
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