| Product Specification | 
      TB 1000W | 
      TB 1000IR | 
    
    
      | Measuring Parameter | 
      Turbidity | 
    
    
      | Highlights | 
      Turbidity bench, GLP, RS232C | 
    
    
      | Principle | 
      Nephelometric non-ratio / ISO7027 compliant | 
    
    
      | Range | 
      0 to 1000 NTU | 
    
    
      | Automatic Range
      Selection | 
      0.00 to 9.99 NTU 
        10.0 to 99.9 NTU 
        100 to 1000 NTU | 
    
    
      | Resolution | 
      0.01 NTU (0 to 9.99 NTU) 
        0.1 NTU (10 to 99.9 NTU) 
        1 NTU (100 to 1000 NTU) | 
    
    
      | Accuracy | 
      ±2 % of reading | 
    
    
      | Repeatability | 
      < ±1 % of reading | 
    
    
      | Calibration | 
      1 to 3-points (automatic) | 
    
    
      | Calibration Standards | 
      0.02 NTU, 10.0 NTU, 1000 NTU | 
    
    
      | Response Time | 
      < 6 secs for full step change | 
    
    
      | Sample Volume | 
      30 ml | 
    
    
      | RS232C Output | 
      Yes | 
    
    
      | Light Source | 
      White light (tungsten) | 
      Infra-red | 
    
    
      | Operating Temperature Range | 
      0 to 40 ºC | 
    
    
      | Sample Temperature Range | 
      0 to 50 ºC | 
    
    
      | Enclosure Type & Rating | 
      ABS plastic | 
    
    
      | Power | 
      UL, CSA approved 100/240 VAC, 12 V DC adapter | 
    
    
      | Dimensions
      (LxWxH); Weight (Meter) | 
      25.4 x 23.7 x 12.1 cm ; 1550 g | 
    
    
      | Dimensions
      (LxWxH); Weight (Boxed) | 
      35.5 x 31.5 x 25 cm ; 2380 g |