Aneroid Barometers
Model AB-1310 Precision Barometer
The Model AB-1310 is a precision aneroid barometer that features a 5-inch open face, stainless steel case, temperature compensated movement, and a 360° dial with dual scale ranging from 920 to 1080 mb and 700 to 819 mmHg. Linearity is ±1.3mb between 980 and 1030 hPa. Screw adjustment compensates for altitude and ensures reading accuracy.
Model PB-1 Pocket Barometer
The Model PB-1 is a temperature-compensated pocket barometer used to determine both altitude and barometric pressure changes. The aneroid capsule movements caused by changes in atmospheric air pressure are transmitted to the pointer by a mechanism which is very sturdy and robust in spite of its precision.
The mechanism’s high step-up ratio makes possible an indicating system that is simple and unique among barometers; the pointer makes a complete revolution for each 80 mmHg, assuring excellent resolution over the entire range, and the color-coded counter wheel indicates which part of the scale should be read. The scale is graduated in one mmHg divisions and may be rotated to compensate for altitude changes. The PB-1 comes with a leather carrying case and wall mount.