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    首頁 > 數字掌上型溫度錶

    DE-305數字掌上型溫度錶
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    		DE-305

    商品編號: DE-305

    DE-305數字掌上型溫度錶
     

    DE-305 Digital Thermometer
    • LARGE SIZE LCD INDICATION
    • LOW BATTERY INDICATION
    • K-TYPE THERMOCOUPLE (OPTION)
    • HANDHELD LIGHTWEIGHT DESIGN
    • READING HOLD FUNCTION
    • MAXIMUM RECORD
    • oC or oF ANNUNCIATORS DISPLAY
    • 1oC OR 0.1oC (1oF or 0.1oF)
    • oC  oF SWITCHABLE ON FRONT PANEL
    • SINGLE THERMOCOUPLE INPUT
    • USER-SELECTABLE RESOLUTION
    • FRONT PANEL OFFSET ADJUSTMENT
    Technical
    Temperature scale:  oC or  oF   User-Selective.
    Resolution: 1oC or 1oF (or 0.1oC or 0.1oF) 
                          User-Selectable
    Inputs: One K-type Thermocouple
    Measurement Range: -50 ~ 1300oC, (-59 ~ 2000oF)
    Meter Operating Range: For Using at  0oC ~ 50oC 
    Environment(32 ~ 122oF)
    Accuracy: (18~28oC ambient)
    ±(0.3%rdg + 1oC) -50 ~ 1000oC
    ±(0.5%rdg + 1oC) 1000 ~ 1300oC
    ±(0.3%rdg + 2oF) -58 ~ 2000oC
    The accuracy specification does not include
     type D thermocouple probe accuracy.
    Temperature Coefficient:  
    0.1 times the applicable accuracy specification per 
    oC from 0oC to 18oC  to 50oC
    Error Offset: Errors contributed by one particular thermocouple may be practically eliminated, over a limited measurement range, using a recessed front panel OFFSET adjust on the meter and an accurate temperature standard when making the adjustment. Although making the adjustment may increase measurement errors for using different themocouples
    Maximum Input: 60V dc or 24V rms ac 
    between the input pins or any input and ground.
    General
    Display: 31/2 digit liquid crystal display (LCD) with maximum reading of 1999.
    Sampling Rate: 2.5 times per second
    Battery: One 9 V battery (6F 22)
    Dimensions (mm): 148(H)x71(W)x36(D)
    Weight: 208g (including battery)
    Power current: Approx. DC 2.8mA (typical)

    Enclosure
    1. Manual    2. Battery 9V .    3. Rubber Holster

    Accessories for Customer Option
    1. NR-31B 2. NR-33 3. NR-34
    4. NR-39 5. NR-34-INCO