Min-Max Thermometer Magnet
Used in weather stations, cold storage rooms,
construction, industry, or anywhere, indoor and out, requiring a record of
minimum and maximum temperatures. Small floats are pushed to each
temperature extreme by the two mercury columns and stay there until reset
with the attached magnet. Dual scales of -50/50˘XC and -60/120˘XF. Weight:
4oz (108g). Dim: 11" x 2 1/2" x 1" (279 x 64 x 25mm).
Min-Max Thermometer Push Button 690
Same as 680 but reset by the push of a button. Dual scales
of -40/50˘XC and -40/120˘XF. Weight: 4oz (108g). Dim: 7 7/8" x 21/2" x 7/8"
(200 x 64 x 22mm).
Red Liquid Whirling Hygrometer (-50~50˘XC) 700
Obtain fast and accurate humidity readings anywhere by
comparing the reading of the wet and dry bulb thermometers on the enclosed
humidity chart. Eliminates the hazard of splattering mercury by using a
safe and easy to read red liquid. The thermometers are recessed into a
protective plastic mounting. The mounting also contains a water reservoir
eliminating the need to constantly rewet the wick. Comes with a carrying
case and plastic humidity chart. Weight: 4oz (108g). Dim: 8 1/2" x 6" x 1"
(216 x 152 x 25mm).
Red Liquid Whirling Hygrometer (20~120˘XF) 710
Same as 700 except for range.
Red Liquid Masons Hygrometer 740
One thermometer bulb is kept constantly wet by a siphon
reservoir while the other gives a dry temperature reading. Humidity is
obtained by comparing the two readings on the enclosed chart. Uses a safe
and easy to read red liquid in place of the usual mercury. Dual scales of
-10/50˘XC and 10/120˘XF. Dim: 12" x 27/8" x 11/4" (304 x 73 x 32mm). Weight: