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Introduction
Specifications
1-8
Model 146i Instruction Manual
Ozone Generator
Ozone Output
Photometer
Preset ranges
Custom ranges
Zero noise
Lower detectable limit
Response time (in control mode)
Linearity
Flow rate
Stability and Repeatability
Remote Operation
External Solenoid outputs
Analog outputs
Digital outputs
Digital inputs
Serial Ports
Ethernet connection
*In non condensing environments.
6 ppm-liters
0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 ppm
0.05 to 5.0 ppm
0.75 ppb (300 second averaging time)
1.5 ppb (300 second averaging time)
<180 seconds
± 1% of full-scale
0.6 LPM
Meets or exceeds U.S. EPA requirements for a
Transfer Standard
Up to (8) 24 VDC external solenoids can be
controlled by Model 146i
6 voltage outputs; 0–100 mV, 1, 5, 10 V (User
selectable), 5% of full-scale over/under range,
12 bit resolution, user selectable for
measurement input. Optional 6 current outputs:
0-20 mA or 4-20 mA.
1 power fail relay Form C, 10 relays Form A,
user selectable alarm output, relay logic, 100
mA @ 200 VDC
16 digital inputs, user select programmable,
TTL level, pulled high
1 RS-232 or RS-485 with two connectors, baud
rate 1200–115200, Protocols: C-Link, MODBUS,
and streaming data (all user selectable)
RJ45 connector for 10Mbs Ethernet
connection, static or dynamic TCP/IP
addressing
Thermo Fisher Scientific
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Troubleshooting
