Instruction manual

Instruction Manual Smart-Trak
®
50 Series
IM-50 Rev. A.2 37
For measuring or controlling flows below 5 sccm, please consider Micro -Trak
TM
Model 101. Above
50 slpm, please consider the Smart -Trak
®
Model 100 Series
Gas Pressure:
145 psig (10 barg) maximum, burst tested to 225 psig (15 barg)
Differential Pressure Requirement 1 to 20 psid (0.07 to 1.38 bard), flow range dependent
Gas and Ambient Temperature 32
°
F to 122
°
F (0
°
C to 50
°
C)
Leak Integrity
5 X 10
-5
atm cc/sec of helium maximum
Power Requirements
Meter: 15 or 24 VDC (+/- 10%) 85 mA regulated Controller: 24 VDC (+/-
10%), 315 mA, regulated RS-485 option adds 130 mA
Control Range
5 to 100% of full scale flow (20:1) at published accuracy. Automatic shut-off off at 4.9% of full
scale
Output and Command (Setpoint) Signal
• RS-232 (standard)
• Linear 4 - 20 mA or 0 - 5 VDC optional, 500 ohms maximum load resistance.
• RS-485 optional (no analog outputs)
• Zero, span, and setpoint are field adjustable via supplied user software and RS-232
communications cable
Display
Flow rate, units, full scale, and setpoint. Display may be mounted on the front or back of the unit
Pressure Drop (1/4” standard fittings)
Flow
Range
Flow Rate Meter Controller
slpm
Minimum Delta P psi
(mbar)
Minimum Delta P psi (mbar)
1 0.02 0.45 (31.0) 1.0 (69.0)
2 0.2 0.45 (31.0) 1.5 (103..4)
3 1.0 0.50 (34.5) 2 (137.9)
4 5 0.60 (41.4) 4 (275.8)
5 10 0.80 (55.2) 7.5 (517.1)
6 20 1.2 (82.7) 12.5 (861.8)
7 50 3.0 (206.8) 15 (1034.2)