Metek 933 - Customer Connections; Analog Outputs; Digital Communication; Digital Inputs

2-4 | Model 933 UV Analyzer
Customer Connections
Analog Outputs
4 isolated 4–20 mA
DC
, loop- or self-powered, 30 V
DC
maximum.
4 non-isolated 1–5 V
DC
.
5 independent sets of SPDT, Form C, potential free relay contacts,
2 A maximum at 240 V
AC
.
Digital Communication
Modbus
®
port: RS-485
Service port: RS-232/RS-485
Digital Inputs
For Auto-Cal and Alarm Enable/Clear:
0–24 V
DC
, 30 V
DC
Maximum.
Electrical Requirements
Maximum Start-Up Power
< 500 W maximum start-up with continuous average, depending on am-
bient temperature (excluding Sample and Vent Line).
Supply Voltage / Maximum Current
ATEX/Hazardous Locations:
120 V
AC
, 50/60 Hz, 3 A Maximum
240 V
AC
, 50/60 Hz, 1.5 A Maximum
CSA:
104~132 V
AC
, 50/60 Hz, 3 A Maximum
208~264 V
AC
, 50/60 Hz, 2 A Maximum
Sample Gas Flow Rate
Maximum 20 NLM (42.4 SCFH) for the High Pressure/Low Range Kit.