The 402AS Automatic Sequencer allows a single Nova gas analyzer to be time shared between 3 to 12 sample points. This greatly reduces the cost per sample point for multi-zone applications that do not need continuous uninterupted measurement.
The 402AS consists of microprocessor based timing, a solenoid valve for each point and a by-pass pump. The by-pass pump continuously draws on all sample points so as to keep fresh sample always available for analysis. Inactive sample points can simply bemore skipped over. Also, the timer can be stopped on any one point and held there for as long as desired with a simple key press. A small keypad allows easy data entry.
Another variation is the lower cost 401S sequencer which is available to customers with their own computer or PLC to control timing. The 401S contains the sample selecting solenoid valves and the by-pass pump. Activation of the solenoid valves would then be controlled directly by the customer's computer or PLC. Flow meters with valves are provided for each incoming sample line in either version for flow balancing. less
The 402AS consists of microprocessor based timing, a solenoid valve for each point and a by-pass pump. The by-pass pump continuously draws on all sample points so as to keep fresh sample always available for analysis. Inactive sample points can simply bemore skipped over. Also, the timer can be stopped on any one point and held there for as long as desired with a simple key press. A small keypad allows easy data entry.
Another variation is the lower cost 401S sequencer which is available to customers with their own computer or PLC to control timing. The 401S contains the sample selecting solenoid valves and the by-pass pump. Activation of the solenoid valves would then be controlled directly by the customer's computer or PLC. Flow meters with valves are provided for each incoming sample line in either version for flow balancing. less
Specifications
Method of Detection |
N/A No detection; sequences sample streams to (separately sold) analyzer for detection |
Ranges Available |
N/A Any between 3-12 samples |
Ambient Temperature Range |
N/A 32 to 122°F (0 to 50°C), Lower temperatures (-5°F, -20°C) with Cold Weather Package |
Size & Weight |
N/A Dimensions will vary depending on enclosure style, number of sample points and options and required |
Power |
N/A 115 VAC, 60 Hz 220 VAC, 50 Hz |
Output Options |
N/A 5V TTL, RS-485, or contact closure |
Applications
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N/A
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Features
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N/A
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