Co2meter CM-650 Bedienungsanleitung

CM-650

Welding Gas Analyzer

USER MANUAL

Revision C

WELDIING GAS ANALYZER

CM-650

5/21/2021

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Table of Contents

Product Overview......................................................................3

Package Content & Unit Layout................................................ 4

Contents ..................................................................................... 4

Internal Features ....................................................................4-5

External Features....................................................................5-6

Operation................................................................................... 6

Installation Procedure................................................................7

System Functionality Test Procedure ....................................... 8

Specifications.............................................................................9

Downloading Data.................................................................... 10

Calibration................................................................................11

Troubleshooting.......................................................................12

Product Care & Contact Info ................................................... 13

WELDIING GAS ANALYZER

CM-650

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Product Overview

Thank you for selecting the CM-650 Welding Gas Analyzer.

The Welding Gas Analyzer device was designed to indicate

proper CO2 concentrations of welding gas mixtures. The

device features two standard ¼ inch NPT inlet ports to

allow the user to monitor the concentration of the shield

gas before and during welding operations.

Features

1. Fig. 2-3, NEMA 4 Enclosure – Weather Resistant

2. Fig. 2-5, Standard NPT Fittings

3. Fig. 2-3, Viewing window with digital display

4. Fig. 2-3, larger green and red indicator lights

5. Fig. 2-3, Manual operation-

6. Fig. 2-3, Automatic operation -

7. Fig. 2-4, USB port for easy data retrieval

8. Fig. 2-1, Large weather tight communication and

power ports

9. Fig. 2-1, Weather resistant breather vent

10. Fig. 2-1, 15% sampling channel

11. Fig. 2-1, 25% sampling channel

Figure 2-2

Figure 2-3

Figure 2-1

Figure 2-4

WELDIING GAS ANALYZER

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Package Content & Unit Layout

The CM-650 package comprises the following parts:

•NEMA 4 Enclosure, CM-650 Gas Analyzer

•(1x) 12 ft. relay cable

•(1x) 12 ft. power cable

•(2x) 5/8-18 LH x ¼ Male fittings

•(1x) USB Drive

•Mounting Hardware

•Carrying Case

Internal Features

A. Display: Indicates activity in the inlet ports and displays CO2 concentration when active.

B. 15% Green confirmation light: indicates when proper CO2 concentration is present in

the 15% port

C. 15% Red warning light: indicates when unsuitable CO2 concentration is present in the

15% port

Figure 3-1

WELDIING GAS ANALYZER

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D. 25% Green confirmation light: indicates when proper CO2 concentration is present in

the 25% port

E. 25% Red warning light: indicates when unsuitable CO2 concentration is present in the

25% port

F. USB port: Used to remove data log files.

External Features

1. Gas Out: Gas exit port for both inlet ports

2. Breather: Allows pressure equalization of the environment and the enclosure.

Figure 4-1

WELDIING GAS ANALYZER

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3. Log Button: Used to force a data log reading to be saved to the data log file.

4. Power In: Connection port for the power cable.

5. Signal Out: Connection port for the signals sent out. Used to control strobe.

6. 15% Inlet Port: Connection port for the 15% CO2 gas line

7. 25% Inlet Port: Connection port for the 25 % CO2 gas line

Operation

Step 1) Install the device (Please see instillation page)

Step 2) Connect Gas lines to appropriate inlet ports:

Ports will be labeled 15% and 25%. The inlets are a standard 1/4 Female NPT. Two

adaptor fittings will be included:

a) 1/4 NPT Male to 5/8-18 Female

b) 1/4 NPT Male barb fitting

Step 3) Power on the unit:

The device will take roughly 1 minute to begin reading CO2 levels.

Step 4) Reading Display and Indicator Lights:

a) The display will show if the device is in Manual or Automatic mode and will also display the

information for each inlet port. If there is not pressure on the inlet port, it will read inactive.

Once <15 psi is applied to that port it will become active and the device display the

concentration of the gas being sampled.

b) There are RED and GREEN indicator lights for both the 15% and 25% inlet ports. Once

the channels are active, The RED indicator light will be on until the correct connection

range is reached; then the GREEN light will turn on to indicate it is safe to weld

WELDIING GAS ANALYZER

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Installation Procedure

This device features four mounting feet to allow for easy installations for an array of

applications. ***Mounting hardware not included***

1. Mount the device securely in desired location. Pay close attention to the orientation of the

device.

FRONT

2. Connect the Power and Signal cable tot the appropriate ports.

3. Hard wire the device following this wiring diagram:

1- Black- System Ground

2- White – Not Used

3- Red – 24v In

4- Green/Yellow – Not Used

BOTTOM

UPRIGHT

Figure 5-1

Figure 5-2

Figure 5-3

Figure 5-1

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System Functionality Test Procedure:

1. Connect Welding Gas Analyzer to Power Supply and wait for initialization.

2. Connect 15% CO2/Argon Calibration Gas to 15% Inlet Port of the Welding Gas Analyzer.

3. Adjust calibration gas pressure regulator to 40 psi.

4. Observe 15% LCD Read-Out display and Red/green indicator lamps. The 15% channel should

read active.

5. Verify – As gas pressure goes above 20psi, the Monitor becomes active.

6. Verify - LCD display shows CO2 Values.

7. Verify - Red lamp is lit when CO2 values are below 13.5% or above 16.5%.

8. Verify - Green lamp is lit when CO2 values are between 13.5% and 16.5%.

9. Maintain 15% CO2 at 40 psi for at least 10 minutes to create Data Log Files.

10. Reduce CO2 gas pressure to 10 psi and verify Lamps are OFF and LCD does not provide CO2

concentration.

11. Remove 15% CO2 calibration gas from the Welding Gas Analyzer.

12. Connect 25% CO2/Argon calibration Gas to 25% inlet port of the Welding Gas Analyzer.

13. Adjust gas regulator for 40 psi.

14. Observe 25% LCD Read-Out display and Red/green indicator lamps. The 25% channel should

read active.

15. Verify – As gas pressure goes above 20psi, the monitor becomes active.

16. Verify - LCD displays CO2 Values.

17. Verify - Red Lamp is lit when CO2 values are below 22.5% or above 27.5%.

18. Verify - Green Lamp is lit when CO2 values are between 22.5% and 27.5%.

19. Maintain 25% CO2 at 40 psi for at least 10 minutes to create Data Log Files.

20. Reduce CO2 Gas Pressure to 10psi and verify Lamps are OFF and LCD does not provide CO2

concentration.

21. Remove 25% CO2 calibration gas from the Welding Gas Analyzer.

22. Insert USB drive into Welding Gas Analyzer USB Port to automatically download Log Files.

23. Remove USB drive from Welding Gas Analyzer USB Port.

24. Insert USB drive into USB Port of a computer and view Log Files.

25. Review Log Files for proper operation and correct values.

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•CO2 Sensing Method: Non-dispersive infrared (NDIR) absorption

•Measurement Range: 0-100%

•Accuracy @ 100% Range: ±300 ppm +/-5% of reading @ STP

•Resolution: 1,000pm

•Non Linearity: < 1% of FS

•Operating Pressure Range: 0-1200 PSI

•external pressure calibration

•Pressure Dependence: 0.1% of reading per mbar @STP

•Warm-up Time: < 10s. 1.2 secs to first reading

•Response Time: 10 secs to 3 mins

•Reading refreshed once per second

•Operating Conditions: 0°C to 50°C, 0 to 95% RH, non-condensing

•Dimensions:

o11.8 x 9.84 x 5.91 inch

•300 x 250 x 150 mm

•Weight: 25lbs

•Sensor Life Expectancy: > 15 years

Specifications

WELDIING GAS ANALYZER

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Located internally, on the front panel of the device, there is a protected UBS port. Remove Cap

and insert USB drive into port to begin data log download. Data logs are saved as .CSV files.

There are two downloading option:

Complete Record Download – Inserting a new/blank USB drive into the device will initialize a

complete data download.

Record New Data Since Previous Download – Inserting a USB drive that contains previous logs

from that device will initialize a data download of all records since the previous download.

Sample Data Log File

A. Date and time stamp

B. Indicates whether the data was automatic or manually taken.

C. Indicates if the 15% port is active or inactive.

D. Shows gas concentration in the 15% port.

E. Indicates if the CO2 range was good to weld on the 15% port.

F. Indicates if the 25% port is active or inactive.

G. Shows gas concentration in the 15% port.

H. Indicates if the CO2 range was good to weld on the 25% port.

Figure 8-1

Downloading Data:

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