Brooks Instrument BM02 - Manual (Page 8)

1-2
Introduction
Brooks ® Models BM01 and BM02
Installation and Operation Manual
X-PD-BM01-02-eng
Part Number: 541B042AHG
March, 2008
Outputs
Note: each meter contains both switch types
Reed Switch
Detection Method: Reed Switch, Two wire SPST N/O contact.
Max. Voltage: 150 VDC maximum.
Contact Capacity: 0.25 AMPS Rating 3 Watts.
Termination: 39 inch (1 meter) flying lead.
Nominal K-Factor:
Model BM01: 1000 p/l (3785.4p/gal)
Model BM02: 400 p/l (1514.2 p/gal)
Hall Effect Switch
Detection Method: Hall effect switch
Response Frequency: 1,000 Hz maximum
Output Pulse: Unfactored voltage pulse
Input/Output = 4.5 to 24 VDC (4.6 ~ 9 mA)
Open Collector 25 mA output NPN compatible with digital logic.
Reverse power protection.
Termination: 39 inch (1 meter) flying lead
Nominal K-Factor:
Model BM01: 1000 p/l (3785.4p/gal)
Model BM02: 400 p/l (1514.2 p/gal)
Meter Materials of Construction
Meter Body: PPS (Polyphenylene Sulfide) or 316 Stainless Steel.
Rotors(Gears):
BM01 / BM02 - PPS or 316 Stainless Steel,
316 Stainless Steel only for High Viscosity.
Bearings:
BM01 / BM02 Zirconia.
Note: (316 PPS Rotors No Bearings Required)
Rotors (Gears) Shafts: 316 Stainless Steel or Optional Hastelloy
® C
(PPS body only).
O-Rings: Standard Viton ® or Optional Teflon ® .
Connections
¼ inch NPT (female)
Dimensions
Refer to Figure 1-2 For certified dimensional prints, contact the factory.
Pressure Equipment Directive (97/23/EC)
Equipment falls under Sound Engineering practice
(SEP) according to the directive.