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Bullard T320 Specifications

   
Weight with battery 2.7 pounds (43 oz.)
Without battery 2.1 pounds (34 oz.)
Dimensions Height: 4.75" Length: 4" Width: 7"
Heat Test 500°F (260°C) for 8 minutes
300°F (150°C) for 16 minutes
Impact / Drop Test No functional damage, 6 ft. drop

Casing

 
Shell Material Ultem® Thermoplastic
Sealing Silicone and Neoprene®
Strap Material Kevlar®
Lens Window Germanium (2 mm thick)
Display Cover Polycarbonate

Core / Detector

 
Type Uncooled Microbolometer with Digital Processing, Pixel Smoothing
Resolution 320 x 240 array
Sensing Material Amorphous Silicon
Spectral Response 7.5-14 Microns
Thermal Stabilization 0°F to 175°F (-20°C to 85°C)
Update Rate 30 Hz
Temperature Sensitivity 0.07° C
Video Output NTSC
NETD 70 mK
Dynamic Range 1100°F (Nominal 600°C)
Pixel Pitch 30 µm
Thermal Time Constant 10 ms
Video Polarity White-Hot
Relative Heat Indicator Sliding Bar Scale
Super Red Hot Colour above 500°F (Nominal 250°C)

Lens

 
Lens Material Germanium
Lens Size 5.8 mm
Field of View 37.5°V x 50.0°H
Focus Fixed 3 ft. to infinity
Speed f/1.0

Electrical System

 
Power Source NiMH Rechargeable Battery or Alkaline Batteries (8 cells)
Output 10V nominal
Capacity 1600 mAH
Operating Time 2.5 hours nominal
Charger Single Battery 120 VAC or 12 VDC
Switch Cycle Test 1,000,000 cycles
Battery Life 1,000 charge cycles
Battery Weight 0.6 pounds (9.5 oz.)
Recharge Time 1 hour nominal

Display

 
Display type Liquid Crystal Display (LCD)
Size 3.5" Diagonal (71.77 x 52.4 mm) TFT Active Matrix
Dot Pitch 188 mm (V) x 160 mm (H)
Dot Format 384 x 234 dots
Pixels 89,856
Pixel Configuration RGB Delta Configuration
Display Method NTSC
Input Signal Level 1.0V P-P (Positive) 75 Ohm
Back Light Fluorescent Lamp
Brightness 400 cd/m2
Viewing Angle Left/Right = 60°, Up = 35°, Down = 60°


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