Specifications subject to change without notice.
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9/17/14 - R1
Rugged 4-in-1 Environmental Meter
Measures Humidity, Temperature, Air Velocity and Light
Environmental Meter
Ordering Information:
45170 ........Environmental Meter
TP870 ........Type K Bead Wire Thermocouple
409992 ......Vinyl Pouch Carrying Case
Features:
• Ergonomic pocket size housing with large dual LCD simultaneous
display of Temperature and Air Velocity or Relative Humidity
• Characters on display reverse direction depending on
Hygro-Thermo-Anemometer or Light Mode
• Data Hold to freeze the displayed value
• Records Min/Max readings
• Built-in low friction vane wheel improves accuracy of air velocity in
ft/min, MPH, m/s, km/h, and Knots
• Built-in precision thin-film capacitance humidity sensor for fast response
• Built in thermistor for ambient temperature measurements
• Type K input measures Temperature to 2372°F (1300°C) using
optional Type K probe
• Utilizes precision photo diode and color correction filter
• Cosine and color corrected light measurements
• Defaults to last function when powered off
• Auto power off 10 minutes after last key is pressed with disable feature
• Low Battery and overrange indication
• Complete with built-in Humidity sensor, Light sensor and Vane wheel,
wrist strap, and 9V battery; Optional Type K thermocouple probe
Measurements Range Resolution Basic Accuracy
Air Velocity
ft/min 80 to 5910 ft/min 10ft/min ±3% FS
m/s 0.4 to 30m/s 0.1m/s ±3% FS
km/h 1.4 to 108km/h 0.1km/h ±3% FS
MPH 0.9 to 67MPH 0.1MPH ±3% FS
knots 0.8 to 58.3 knots 0.1knots ±3% FS
Light
Foot Candles (Fc) 0 to 1860Fc 0.1Fc ±(5% rdg + 8 digits)
Lux 0 to 20,000Lux 1Lux ±(5% rdg + 8 digits)
Relative Humidity 10 to 95%RH 0.1%RH ±4%RH of rdg
Temperature (Thermistor) 32 to 122°F (0 to 50°C) 0.1° ±2.5°F (1.2°C)
Temperature (Type K) -148°F to 2372°F (-100°C to 1300°C) 0.1° ±(1%+2°F)/(1%+1°C) of rdg
Dimensions Meter: 6.1 x 2.4 x 1.3" (156 x 60 x 33mm); Vane: 1.2" (31mm)
Weight 5oz (160g)
