| 
 Model  | 
 Description  | 
| 
 TI-25M-H  | 
 High Temperature for surfaces up to 650° F or 343° C. Transducer is 0.5" 5.0 MHz, range .050" to 19.99"  | 
| 
 TI-25M-107  | 
 Cast Iron / Plastics  | 
| 
 TI-25M-HW  | 
 Heavy Wall (0.040-19.999")  | 
| 
 Range in Steel  | 
 0.025-6.00" (0.60-150.0 mm)   | 
| 
 Resolution  | 
 .001" (0.01 mm)   | 
| 
 Display  | 
 4½ - Digit, 0.5" Back-lit LCD   | 
| 
 Velocity Range  | 
 6,500-33,000 ft./sec (2000-10,000 m/sec.)   | 
| 
 Probe  | 
 7.5 MHz, 0.25" Diameter (6.35 mm)   | 
| 
 Cable  | 
 4 ft. (1.2 m) waterproof cable with non-polarized, quick-disconnect connectors. Optional lengths up to 50 ft. (15 m).   | 
| 
 Temp. Limits  | 
 Ambient: -20 to 120° F (-30 to 50° C) Material: -0 to 200° F (-20 to 100° C Special high temperature probes are optionally available.  | 
| 
 Battery Type  | 
 Two AA batteries   | 
| 
 Battery Life  | 
 200 hours   | 
| 
 Weight  | 
 7 ounces (196 g)   | 
| 
 Size  | 
 2.5 x 4.5 x 1.25" (64 x 114 x 32 mm)  | 
| 
 Accessories Included  | 
 Probe/cable assembly. 4 oz. bottle of coupling fluid, NIST Calibration Certificate, 2 AA batteries, operating instructions, hard-plastic carrying case.   | 
| 
 Warranty  | 
 Gauge: 5 Years Probes: 90 Days  |