225-569 Psychrometric Slide Rule View PDF Catalog Page

225-569 Pocket Psychrometric Slide Rule
225-569 Pocket Psychrometric Slide Rule

The 225-569 Pocket Psychrometric Slide Rule quickly converts wet-bulb and dry-bulb temperatures to relative humidity. The user simply lines up the two temperatures and reads relative humidity directly. The RH scale ranges from 10% to 100% with graduations of 2%. Values to 1% RH may be estimated. Two models are available. The 225-569F Slide Rule has a temperature scale of 20° to 100°F, and the 225-569C has a scale of ‑5° to 50°C. Both are small, lightweight, and durable.

Specifications

225-5281
Scale:
  Wet bulb: -50° to +29°C
  Dry bulb: -50° to +49°C
Size: 11.2" dia x 0.8" D (284 mm x 20 mm)
Weight/shipping: 11 oz/4 lbs (0.3 kg/1.8 kg)

225-569
Scale:
  225-569C: -5° to +50°C (1°)
  225-569F: +20° to +100°F (0.5°)
Size: 7.3" L x 1.2" W (185 mm x 30 mm)
Weight/shipping: 0.5 oz/1 oz (14 g/28 g)

Ordering Information

225-569C Pocket Psychrometric Slide Rule °C $12.00
Quantity:
225-569F Pocket Psychrometric Slide Rule °F $12.00
Quantity:

Go to...
Temperature & Humidity Sensors
Main Table of Contents
Top of Page