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Model : Chamber Survey MeterSurvey Ratemeter Model 3 With A USV/H Scale
Hãng sản xuất : RPD
Survey Ratemeter Model 3 with a uSV/h Scale.
Features
• Rugged 4 Decade Analog Ratemeter
• Sensitive 1" x 1" (2.54 x 2.54 cm) NaI (Tl) Detector
• Easy to Use
• Easy Reach to Difficult Places
• Greater than 2000 Hour Battery Life
Specifications
Linearity: Reading within 10% of true value with detector connected
High Voltage: Adjustable from 400-1500 Vdc
Threshold: Fixed at 40 mV to 10mV
Meter Dial: 0 - 0.5 µSv/h; BAT TEST
Meter: 2.5" (6.4 cm) arc, 1 mA analog type
Controls:
Rotary Selector: Switches between instrument off, battery check,
Ranges: x0.1, x1, x10, x100
Response Switch: Toggles between FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading
Reset Pushbutton: To zero meters
Audio Switch: For audio on/off, built-in unimorph speaker, greater than 60 dB at 2' (0.6 m)
Calibration Controls: Accessible from front of instrument (protective cover provided)
Construction: Cast and drawn aluminum with beige powder coat
Connector: Series “C”
Temperature Range: -4 to 122°F (-20 to 50°C), may be certified for operation from -40 to 150°F (-40 to 65°C)
Power: Two each “D” cell batteries (housed in externally accessible sealed compartment)
Battery Life: Typically greater than 2000 hours with alkaline batteries (battery condition can be checked on meter)
Size: 6.5" H x 3.5" W x 8.5" L (16.5 x 8.9 x 21.6 cm), including handle
Weight: 3.5 lb (1.6 kg), including batteries