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Physical Properties:
Dimensions: 4.9” x 6.7” x 8.9” (125 x 169 x 225 mm);
Weight: 52.91 ounces (1,500 grams);
Power: 12 VDC wall cube; 12 VDC vehicle power (optional)
Test Protocol:
Fresh Air: Automatic calibration
Gas Response: Automatic bump test; Automatic or selective calibration
Response Time: T50 or T90 tests;
Alarm Activation: Time to activate alarm-1 and alarm-2
Visual Alarm: Automatic LED test
Audible Alarm: Automatic horn test
Operation: Interface: G450/G460 keypad
Display: G450/G460 graphic display
Time stamp: Automatic / real-time clock
Gas Connections and Pump:
Inlets: 4 gases, 1 fresh air
Outlets: 1 gas exhaust
Flow rate: 0.5 liter per minute, variable flow
Other Specifications:
Temperature range: 50–90°F (10–32°C)
Standard Accessories: DS404 data software; USB computer interface cable; Power supply; 2 GB SD memory card; Configuration software; Download software; Certificate generator
System requirements: Windows operating system
Please note: Operation of the DS404 requires a demand flow regulator
Optional Accessories: 12 VDC vehicle power adapter
