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![]() 1.1.9.4.5 EXT. START
DTL/TTL compatible negative going pulse to COMMON initiates a gate interval in
PRESET COUNT and TIME INT. modes.
1.1.9.4.6 EXT. STOP
Same as EXT. START except that gate interval is ended. EXT. START and
EXT. STOP lines may be connected together for consecutive pulse start-stop
action. Automatic reset occurs after display time when these terminals are used.
1.1.9.4.7 GATE SW.
Solid state or mechanical switch closure to COMMON causes the count gate to
open and remain open so long as the switch remains closed. Automatic reset
does not occur, allowing consecutive accumulations to be made.
1.1.9.4.8 EXT. COUNT ON/OFF
Operates same as front panel switch, i.e. first mechanical switch closure to
COMMON initiates a gate interval in PRESET COUNT and TIME INT. modes.
Second closure ends the interval. Bounce suppression is provided.
1.1.10
Operation Environment
1.1.10.1 Temperature
The Flow Indicator will operate as specified between temperatures of +4 C minimum to
+40C maximum.
1.1.10.2 Relative Humidity
The Flow Indicator will operate as specified between relative humidities of 0 to 90 per cent.
1.1.10.3 Altitude
The Flow Indicator will operate as specified over the altitude range of 0 to 10,000 feet above
sea level.
1-12
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