- Specification
The HotJohns® Crew is made to fit the needs of the end-user depending on the operation as a base layer that can be worn next to skin or over a Massif® Cool Knit®. The HotJohns® Crew is a midweight base layer that is streamlined for easy layering, is highly breathable, and wicks moisture away to keep you warm and dry. This proprietary flame-resistant midweight Massif® knit fabric features DuPont™ Kevlar® and Nomex® to provide warmth without weight. Safe-to-Fly (StF) Approved by U.S. Air Force – Air National Guard
Specification
| HotJohns® Crew (FR) | GM-100 |
|---|---|
| Measuring Range | 1.2 ~ 225.0 mm (Steel) |
| Resolution | 0.1 mm |
| Accuracy | ±(1%H+0.1) mm (H denotes measured thickness of the object) |
| Display | Four-digit LCD display |
| Working Frequency | 5 MHz |
| Sound Velocity | Range: 1000 to 9999 m/s |
| Minimum limit for tube measuring | Ø 20 × 3 mm (Steel) |
| Features | Inverse sound velocity with known thickness |
| Measuring range by known thickness | 1000 to 9999 m/s. (Thickness of the test block must be less than 20 mm to measure speed of sound) |
| Operating Temp. | 0 to 40°C |
| Power Source | 3 × 1.5 V (AAA) |
| Dimensions | 72 × 146 × 29 mm |
| HSN | 90318000 |
| Price |
