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PID Analyzers - Model 204 -Thermal Conductivity Analyzer for Process and QC Monitoring
The Model 204 is a continuous TCD Analyzer designed for continuous or process control. It has optional 4-20 mA output, RS485, MODBUS, 2-3 programmable setpoints, larger pump, bypass flow & and a 19`` rack or industrial wall mount NEMA 4 enclosure. This 204 has a rugged TCD with a sealed reference cell, Operator`s Manual, configuration software and RS232 cable. The detector is the TCD.
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- TCD: Our very stable TCD has a sealed reference to minimize maintenance.
- ADC: Our 16 bit ADC provides a resolution of 1 part in 64,000 and our signal algorithm minimizes noise by signal averaging in the msec range./td>
- Enclosures: 19`` rack mount or NEMA 4 wall mount.
- Programmable Voltage/current output: 0-1VDC/4-20 mA.
- Ease of calibration - SemiAutomatic or Remote Automatic: The two point calibration for the TCD uses a zero gas and a span gas. It is initiated by a push button switch. The time to calibrate is about 1 minute. The FID requires zero air and span gas for calibration. In the 204, the calibration valves are built into the Analyzer. The remote calibration can be activated by a PLC controlled contact closure.
- Digital outputs: RS485, MODBUS.
- Display: Our 2 line by 16 character display is backlit. The upper display provides the concentration and the bottom display provides the sensor, units, alarm and logging mode. For multisensor units, a 3 readout LED is used.
- Programmable setpoints: The 1-3 setpoints (depends on the options) can be programmed for PID control, above/below setpoints.
- Species measured: He, H2, Ne, CO2, binary gases with a difference in thermal conductivity is required
- Sample flow rate: > 1 LPM
- Power consumption: < 50 watts maximum; 115 VAC, 0.4 amps
- Performance: Depends on species being measured
- Sensor(s): single - TCD only
- Span Drift:
- Dimensions:
- 19`` Rack mount - 19`` W x 5 1/4``H x 14``D
- Wall - 23``W x 21``H x 10``D
- Precision: +/- 2-3% of reading
- Range: 100 ppm to 100%
- Weight:
- 19`` Rack mount - 12.2 pounds TCD
- Wall - 19 pounds TCDResponse time:
- Linear Range: See range.
- Instrument operating conditions: 5-40 degrees C, 0-95% RH (non-condensing)