Data Sheet THWD-10W RH Meter with Wireless Perform precision temperature and humidity measurement for HVAC, Indoor Air Quality and environmental applications. The large LCD display, full suite of measuring features and two temperature probes (internal and external) make this product a preferred choice for a professional. Wireless two ways transmission Highly stable humidity measurement 2.5% Processing relative humidity and temperature measurements simultaneously Two temperature sensors (internal and external) Wet/dry bulb, dew point measurement Easy selection between K/NTC/K-DP MAX/MIN/Average/Relative Zero and HOLD functions No hassle warranty No waiting. No shipping charges. Our commitment to high-quality products and customer service is demonstrated by our industry exclusive "No Hassle" warranty. In the unlikely event that an Amprobe Test Tool requires warranty service, any of our local dealers are authorized to replace it, on the spot. (note: $500 MSLP limit) Amprobe(R) Test Tools www.Amprobe.com Data Sheet THWD-10W RH Meter with Wireless General Specifications Display Polarity Low Battery Indication Operating Environment Auto Power Off Storage Environment Accuracy Battery Battery Life Dimensions Weight WIRELESS Features Frequency Range Amprobe(R) Test Tools 5 digit liquid crystal display (LCD). Automatic, positive implied, negative polarity indication. The " " is displayed when the battery voltage drops below the operating level. 0C to 50C (32F to 122F) <80% R.H. 5 minutes -20C to 60C (-4F to 140F) <70% R.H. with battery removed from meter Stated accuracy at 23C 5C, <75% R.H. 1.5Vx4pcs AAA size. 200 hours typical L241.3 X W157.98 XH76.2mm (9.5 X 6.22 X3 in). Approx. 304g (0.67 lb) including batteries. 910~920MHz. Low current consumption less than 1mA. The transmitting distance can reach 25M without magnetic interference. www.Amprobe.com THWD-10W RH Meter with Wireless Data Sheet Electrical Specifications Temperature Scale Measurement Range Resolution Accuracy Sensor Range Resolution Accuracy RELATIVE HUMIDITY Sensor Range Accuracy Celsius or Fahrenheit user-selectable K-Type -50C to 1000C, (-50F to 1832F) 0.1C or 0.2F Accuracy is specified for operating temperatures over the range of 18C to 28C (64F to 82F), for 1 year, not including thermocouple error. (0.1% rdg + 1C) on -50C to 1000C (0.1% rdg + 2F) on -50F to 1832F (0.05% rdg + 1.4F) -58F to -328F Thermistor temperature sensor 0C to 60C, (32F to 140F) 0.1C/F 2C on 0C to 10C 0.5C on 10C to 45C 2C on 45C to 60C 4F on 32F to 50F 1F on 50F to 113F 4F on 113F to 140F Capacitive Humidity Sensor 0% to 100% RH 2.5% at 25C (77F), 10% to 90% RH, 5% at 25C (77F), 0% to 10% RH, 90% to 100% RH 60 sec typical Sensor Response Time for 90% of Total Range Sensor Hysteresis 1%RH typical (excursion of 10% to 90% to 10% RH) Temperature 0.1 times the applicable accuracy Coefficient Specification per C from 0C to 18C and 28C to 50C (32F to 64F and 82F to 122F). Input Protection 24V dc or 24V ac rms maximum input Voltage on any combination of input pins. Input Connector Accepts standard miniature thermocouple connectors (flat blades spaced 7.9mm, center to center). Amprobe(R) Test Tools www.Amprobe.com THWD-10W RH Meter with Wireless Amprobe(R) Test Tools website: www.Amprobe.com email: info@amprobe.com Everett, WA 98203 Tel: 877-AMPROBE Data Sheet Amprobe(R) Test Tools Europe In den Engematten 14 79286 Glottertal, Germany Tel.: +49 (0) 7684 8009 - 0 (c)2010 Amprobe Test Tools. All rights reserved. 6/2010 THWD-10W_DS Rev A Amprobe(R) Test Tools www.Amprobe.com