Brooks Instrument 4800 Series - Manual (Page 8)

1-2
Brooks ® 4800 Series
Section 1 Introduction Installation and Operation Manual
X-TMF-4800-MFC-eng
Part Number: 541B072AAG
September, 2013
Do not operate on gases other than those listed in this
specification. Failure to heed this warning can result in serious
personal injury and/or damage to the equipment.
WARNING !
Operating Limits
Pressure: 0 – 10 barg
Temperature: 0 - 50°C at 10 barg
Operating Humidity: 5 to 95% R.H. (ambient)
Pressure Differential Range (Controllers)
Minimum: 0.35 bar (5 psid)
Maximum: 10 bar (150 psid)
Leak Integrity
Inboard to Outboard: 1x10 -9 atm scc/sec Helium max.
ELECTRICAL CHARACTERISTICS:
Electrical Connections
Analog/RS232:15-pin D-sub connector
(pin-out schematic shown in Table 1-1)
All pins shall be protected against ESD (Electro Static Discharge)
All input pins are protected from electrical stress, to at least withstand 28
Vdc (power supply)
Power Supply Voltage**
+15 Vdc + 10% or
+24 Vdc + 10%
Device only uses single sided power supply
Inrush current: <1 A
Power suplly is protected from reverse polarity
Power Requirements
15 Vdc 24 Vdc
Device
Typical
(mA)
Max.
(mA) Typical
(mA)
Max
(mA)
4860 (without valve) 30 60 30 60
4850 (with valve) 130 160 150 200
Analog Input/Output
Command/Setpoint Input
Voltage: 0-5 Vdc, minimum impedance 990

Current: 4-20 mA, maximum impedance 220

Flow Signal Output
Voltage: 0-5 Vdc, minimum load 2000

Current: 4-20 mA, maximum load 550

* All performance characteristics are at calibration conditions.
** For high flows or low differential pressures (using orifices 0.049" (1.25mm) or
0.079" (2.0mm)) only 24 Vdc power is available.