FLOW MEASUREMENT RANGE

• B142-20L: 7-70 ACFM*; 10-100 MCFD**; 423-4230 MBH†; 365 pulses per ACF (12900 pulses per m3)
• B142-20M: 14-210 ACFM*; 20-300 MCFD**; 846-12690 MBH†; 190 pulses per ACF (6710 pulses per m3)
• B142-20H: 35-350 ACFM*; 50-500 MCFD**; 2115-21150 MBHD† 85 pulses per ACF (3000 pulses per m3)

METER

• Working Pressure: Vacuum to 2220 psig (15.3 MPa)
• Pressure Drop: 3” of water column (7.5 mbar) at maximum rated flow rate (dry air)
• Pressure Port: 1/8” NPTF (plugged)
• Flow Direction: Unidirectional or bidirectional, 2 separate totalizers (programmable)
• Operating Temperature Range: -40° to 330°F (-40° to 165°C)
• Output Voltage: 100 mVP-P minimum when used with B111113 magnetic pickup

ACCURACY

• Linearity ±2% of reading over the specified measurement range
• Uncertainty ±1% of reading when calibration data is entered into an intelligent monitor/transmitter
• Repeatibility ±0.5%

CONSTRUCTION

• Body and Cartridge 316/316L stainless steel
• Bearing Mounts 304 stainless steel
• Set Screws and Pressure
• Port plug
• 316 stainless steel
• Bearings and Rotor Shaft Tungsten carbide
• Rotor 410 stainless steel

CONNECTIONS

• Pickup Mates with AN3106A-10SL
• Conduit: 1” NPT (25 mm)

COMPLIANCE INFORMATION

• Agency Approvals: UL913; CSA 22.2 No. 157-92; Class 1 Division 1 Groups C,D
• Explosion Proof: UL1203; CSA 22.2 No. 30-M1986; Class 1 Division 1 Groups C,D
• Seal: ANSI/ISA 12.27.01-2003

* Actual cubic feet per minute at 0 psig (0 bar) and 15.6°C (60°F)
**Thousands of cubic feet per day
†Thousands of BTU per hour of natural gas