|  
         Internal  
        Temperature Range (DK976539/DK976538)  
       |  
      -30 to +122¡ÆF (-34   
        to + 50¡ÆC) |   
    
  
      
      | Internal   
        Temperature Sensor (DK976539/DK976538) |   
      Thermistor |   
    
  
      
      | Internal   
        Temperature Accuracy (DK976539/DK976538) |   
      ¡¾1.8¡ÆF, ¡¾1¡ÆC |   
    
  
      
      | External   
        Temperature Range K-Thermocouple |   
      -300 to 2000¡ÆF   
        (-184 to 1093¡ÆC), optional probe required |   
    
  
      
      | Probe (DK976538   
        & DK976537 only) Full Range |   
      Range with standard   
        bead wire probe: -300 to 400¡ÆF (-184 to 204¡ÆC) |   
    
  
      
      | External   
        Temperature Sensor (DK976538 & DK976537) |   
      4' teflon coated   
        K-thermocouple bead wire probe with mini connector |   
    
  
      
      | External   
        Temperature Accuracy (DK976538 & DK976537) |   
      ¡¾1.8¡ÆF (¡¾1¡ÆC)   
        (Logger only) ¡¾7.9¡ÆF (probe) |   
    
  
      
      | Ambient Operating   
        Conditions |   
      -30 to +122¡ÆF (-34   
        to +50¡ÆC), 0 to 95% RH (non-condensing) |   
    
  
      
      | Download Time |   
      1.5 min. (when   
        logger is full) |   
    
  
      
      | Key Pad Functions |   
      Min/Max, ¡ÆF/¡ÆC   
        and Display On |   
    
  
      
      | Response Time |   
      DK976539:12 min. to   
        63% of full scale; DK976537/DK976538: 1 min. to 63% of full scale |   
    
  
      
      | Display Resolution |   
      0.1¡Æ resolution to   
        999.9; 1¡Æ resolution above 1000 |   
    
  
      
      | Power Supply |   
      9V alkaline   
        battery, approx. 1 year at a 5-minute sampling at 70¡ÆF or 120V AC   
        adapter (not included) |   
    
  
      
      | Sample Interval |   
      Records data in   
        configurable 10 second to 24 hour intervals in 10 second increments |   
    
  
      
      | Dimensions |   
      5 3/8" x 4   
        1/2" x 1 7/16" (134.4 x 114.3 x 36.8 mm) |   
    
  
      
      | Memory |   
      Non-volatile   
        (retains data even when battery is removed) |   
    
  
      
      | Data Storage |   
      16,128 (8,064 per   
        channel) |   
    
  
      
      | Calibration |   
      User: zero point;   
        Factory: zero and span |   
    
  
      
      | Display |   
      LCD, 3.5 digit |   
    
  
      
      | Enclosure |   
      ABS |   
    
  
      
      | Approvals |   
      CE |   
    
  
      
      | Included with   
        instrument |   
      Battery, manual and   
        4' K-thermocouple probe |   
    
  
      
      |  NOTE:   
        Probe included with DK976538 can be used to monitor up to 500¡ÆF. To use   
        full range of +2000¡ÆF, A203 optional probe must be purchased (see   
        ordering information) |   
    
  
      
      | DK15   
        Software & Download Cable Specifications |   
    
  
      
      | Compatible with |   
      Windows¢â   
        95, 98, 2000 and NT |   
    
  
      
      | PC Requirements |   
      PC with 386 or   
        better microprocessor, 4M RAM, 1 free COM (serial) port, CD drive |   
    
  
      
      | Cable Type/Length |   
      9 pin male D-shell   
        to male 2.5mm stereo plug, 6' long |   
    
  
      
      | Computer Interface |   
      RS-232 COM (serial)   
        port |