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Table of Contents
Summary of Contents for Apogee Instruments TS-200
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Page 1: Owner's Manual
OWNER’S MANUAL FAN-ASPIRATED RADIATION SHIELD Models TS-200/210/220/230 Rev: 31-Aug-2022 APOGEE INSTRUMENTS, INC. | 721 WEST 1800 NORTH, LOGAN, UTAH 84321, USA TEL: (435) 792-4700 | FAX: (435) 787-8268 | WEB: APOGEEINSTRUMENTS.COM Copyright © 2022 Apogee Instruments, Inc. -
Page 2: Table Of Contents
TABLE OF CONTENTS Owner’s Manual ....................................1 Table of Contents ....................................2 Certificates of Compliance ............................... 3 Introduction ..................................... 5 Sensor Models ..................................6 Specifications ................................... 7 Deployment and Installation ..............................10 Cable Connectors ................................... 11 Operation and Measurement ..............................12 Maintenance and Recalibration ............................. -
Page 3: Certificates Of Compliance
RoHS 3 compliant using exemption 6c. Further note that Apogee Instruments does not specifically run any analysis on our raw materials or end products for the presence of these substances, but we rely on the information provided to us by our material suppliers. - Page 4 RoHS 3 compliant using exemption 6c. Further note that Apogee Instruments does not specifically run any analysis on our raw materials or end products for the presence of these substances, but we rely on the information provided to us by our material suppliers.
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Page 5: Introduction
The curved inlet helps draw air into the shield during high cross winds. These unique properties make the TS-200 ideal for use in remote locations with limited power supply. -
Page 6: Sensor Models
*If the Rotronic HC2-S3 probe is used with the E3 Active Set module, it must be water-proofed before use with the Apogee TS-200 radiation shield. The E3 Active Set module is not waterproof (water can infiltrate at the point where the cable enters the housing). A small length of water-proof heat shrink (ATUM heat shrink) can be used to seal the gasket where the cable enters the housing for the E3 Active Set. -
Page 7: Specifications
, the mean of the model TS-200 shields has been within 0.05 C of the means of the other two models of shields. At higher wind speeds, the TS-200 and R. M. Young shields read slightly cooler (-0.05 C) than the mean of the Met One shields, but the difference is not... - Page 8 *IP55 The fan inside the TS-200 is extremely well sealed against water and dust, with an ingress protection (IP) rating of 55, called IP55. Higher numbers indicate better protection. Fans typically range from IP11 to IP55. The first digit in the IP rating indicates protection against particle entry.
- Page 9 EE08-SS (Air Temperature and Humidity Probe, not included w/ TS-200 or TS-210; included w/ TS-220 & TS-230) EE08-Probe Input Voltage 7 to 30 V DC Current Draw Less than 1.3 mA Start-up Time Housing Polycarbonate, IP65 Filter Stainless steel wire mesh, 30-micron pore size...
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Page 10: Deployment And Installation
DEPLOYMENT AND INSTALLATION TS-200 fan-aspirated radiation shields come partially pre-assembled and has few parts, facilitating easy transport, deployment, and maintenance. Avoid placing the shield near buildings, paved surfaces, or any other locations which may create a micro-environment significantly different than ambient environment. -
Page 11: Cable Connectors
CABLE CONNECTORS Apogee started offering in-line cable connectors on some bare-lead sensors in March 2018 to simplify the process of removing sensors from weather stations for calibration (the entire cable does not have to be removed from the station and shipped with the sensor). -
Page 12: Operation And Measurement
OPERATION AND MEASUREMENT Connect the temperature sensor or RH probe sensor to a measurement device (meter, datalogger, controller). If you are using the ST-110, this device must be capable of inputting 2.5 V DC and measuring and displaying or recording a millivolt (mV) signal (an input measurement range of 0-2500 mV is required to cover the entire temperature range of the ST-110 air temperature sensor). - Page 13 An excitation voltage of 2.5 V DC is recommended to minimize self-heating and current drain, while still maintaining adequate measurement sensitivity (mV output from thermistor per C). However, other excitation voltages can be used. Decreasing the excitation voltage will decrease self-heating and current drain but will also decrease thermistor measurement sensitivity.
- Page 14 Conversion of Thermistor Resistance to Temperature The thermistor is a resistive element where resistance changes with temperature. Thermistor resistance (R , in Ω) is measured with a half-bridge measurement, requiring a known excitation voltage input (V ) and a measurement of output voltage (V where 24900 is the resistance of the bridge resistor in Ω.
- Page 15 80 mA to approximately 25 mA. The only way to completely stop the fan is to turn the power off. Apogee Instruments also offers 12 V DC fan options for purchase (see TS-100 series).
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Page 16: Maintenance And Recalibration
MAINTENANCE AND RECALIBRATION At full duty, the fan is designed to last 50,000 hours (5.7 years). Ultimately, this depends on operating conditions, and actual results may vary. If the fan runs less than approximately 4500 RPM at full power, then there may be a blockage, or the fan may need to be replaced. -
Page 17: Troubleshooting And Customer Support
TROUBLESHOOTING AND CUSTOMER SUPPORT Independent Verification of Functionality Apogee ST-110 temperature sensors yield a resistance proportional to temperature. A quick and easy check of sensor functionality can be accomplished with an ohmmeter. Connect the lead wires of the ohmmeter to the red and white wires from the sensor. - Page 18 1 mega-ohm or higher then there is negligible effect on the sensors, even after adding up to 100 m of cable. TS-200 aspirated radiation shields use shielded, twisted pair cable, which minimizes electromagnetic interference. This is particularly important for long lead lengths in electromagnetically noisy environments.
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Page 19: Return And Warranty Policy
RETURN AND WARRANTY POLICY RETURN POLICY Apogee Instruments will accept returns within 30 days of purchase as long as the product is in new condition (to be determined by Apogee). Returns are subject to a 10 % restocking fee. WARRANTY POLICY... - Page 20 84321, USA 5. Upon receipt, Apogee Instruments will determine the cause of failure. If the product is found to be defective in terms of operation to the published specifications due to a failure of product materials or craftsmanship, Apogee Instruments will repair or replace the items free of charge.
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