Hand Held Products 3700 CCD Barcode Reader User Manual


 
B–2 Technical Specifications
Focal Distance (selected at time of order) from scanner window:
Focal Distance
Maximum Scan Width
0.6 inches [15mm] with a 3 inch [76mm] maximum scan width
1.95 inches [50mm] with a 3.5 inch [89mm] maximum scan width
3.2 inches [81.3mm] with a 3.5 inch [89mm] maximum scan width
MRD (minimum reflective difference): 37.5%
Tilt Angle: Controlled by bar code length and height
(See Figure 3.4)
Skew Angle: +30 to –30 degrees (See Figure 3.4)
Specular reflection zone 0 to –10 degrees
(Operation in this zone must be avoided.)
Pitch Angle: +7 to – 7 degrees on 7.5 mil (See Figure 3.4)
Light Source (Illumination): Visible Red LED (Wavelength = 645 nm ±30)
CCD Type Standard Resolution/Standard Performance
Standard Resolution/Enhanced Performance
High Resolution/Enhanced Performance