Ecotech A Series User Manual

EC9830 CO ANALYZER OPERATION MANUAL
2-26 98307600 Rev. C-1
TEST MEASURE
Software-controlled pot for the gain of the measure channel. Used by technicians
when troubleshooting.
REF. VOLTAGE
Reference voltage as measured by the preamplifier board. This is indicative of IR
signal strength.
CO
PPM: Gas concentration reading.
CONC. VOLTAGE
Instrument-generated voltage corresponding to gas concentration. This voltage
represents the actual gas measurement.
2.5.9 Flow Control Pots Screen (A series only)
FLOW CONTROL POTS are potentiometers used to adjust the functions of the flow
control board.
FLOW CONTROL POTS
FLOW CONTROL ZERO : 81
FAN SPEED CONTROL : 16
PUMP SPEED FINE : 85
PUMP SPEED COARSE : 62
GAS FLOW 1.00 SLPM
GAS PRESSURE 585.6 TORR
Figure 2-16. Flow Control Pots Screen
FLOW CONTROL ZERO
A pot that sets electronic zero for differential flow. The pot value is stored in
EEPROM on flow controller board.
FAN SPEED CONTROL
Software-controlled pot that sets chassis fan speed.
PUMP SPEED FINE
Software-controlled pot that controls the pump speed (which controls sample flow
rate).
PUMP SPEED COARSE
Software-controlled pot that controls the pump speed (which controls sample flow
rate).

Ecotech A Series Specifications

General

Brand	Ecotech
Model	A Series
Category	Measuring Instruments
Language	English