beautypg.com

Brooks, Model 5850i – Brooks Instrument 5850i User Manual

Page 9

background image

1-3

Brooks

®

Model 5850i

Section 1 Introduction

Installation and Operation Manual
X-TMF-5850i-MFC-eng
Part Number: 541B108AAG
December, 2008

1-3 Specifications

Standard Ranges

3 sccm to slpm* (nitrogen equivalent)

Accuracy

±1% full scale including linearity at calibrated conditions

±1.5% full scale including linearity for flow ranges greater than 20 slpm.

Repeatability

0.25% of rate

Response Time

Less than 6 seconds to within 2% of full scale final value with a 0 to 100%

command step.

Power Requirements

+15 to +28 Vdc — 245 mA @ +15 Vdc to 370 mA @ +28 Vdc

Ambient Temperature Limits

Operating: 5 to 65°C (40 to 150°F)

Non-Operating: -25 to 100°C (-13 to +212°F)

Working Pressure

1500 psi (10.342 MPa) maximum

Allowable Differential Pressure

5 psi minimum, 50 psi maximum. Higher differential pressures are allow-

able depending on gas and range. Consult factory for details.

Output Signal

0-5 Vdc into 2,000 ohms or greater. Maximum ripple 3 mV.

Jumper selectable 4-20 mAdc or 0-20 mAdc.

Refer to Fig. 2-3 for maximum total loop resistance.

5 Volt Reference Output

5 Volts ±0.2%. Maximum load 1k ohms.