Chemtrac UVM5000 Bedienungsanleitung

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 1

–

Chemtrac, Inc.

1555 Oakbrook Dr. Suite 100

Norcross, GA 30093

(770) 449-6233

[email protected]m

Chemtrac UV254 Monitor –UVM5000 v 2.1 
Chemtrac, Inc. 2 
 
Contents 
2Overview___________________________________________________________________________ 4 
3Safety _____________________________________________________________________________ 5 
1 Safety Instructions _______________________________________________________________ 5 
4Technical Specifications_______________________________________________________________ 6 
5Installation__________________________________________________________________________ 7 
1 Site Assessment_________________________________________________________________ 7 
2 Unpacking and Inspection _________________________________________________________ 7 
3 Assembly ______________________________________________________________________ 9 
3.1 Installing the Rotating Arm _____________________________________________________ 9 
3.2 Installing the Quartz Flow Cell __________________________________________________ 9 
3.3 Installing the Ribbon Cable____________________________________________________ 10 
4 Mounting______________________________________________________________________ 11 
5 Plumbing______________________________________________________________________ 11 
6 Turbidity and Filtration ___________________________________________________________ 13 
6.1Turbidity Compensation (Optional)______________________________________________ 13 
6.2 Filtering___________________________________________________________________ 13 
7 Electrical Connections ___________________________________________________________ 14 
8 4-20 Ma Connections and Dry Contacts______________________________________________ 14 
6Start-up___________________________________________________________________________ 15 
1 Start-up Instructions _____________________________________________________________ 15 
7Operator Interface___________________________________________________________________ 15 
8Calibration (Zeroing)_________________________________________________________________ 16 
1 Using RO or DI Water Method _____________________________________________________ 16 
2 Using Known Water Method_______________________________________________________ 17 
9Menu Structure _____________________________________________________________________ 18 
4-20 mA Setup _____________________________________________________________________ 22 
RS-232 Data Logging________________________________________________________________ 23 
Slope Correlation Method_____________________________________________________________ 25 
Dehumidifier for Humidity Control_______________________________________________________ 26 
Maintenance _______________________________________________________________________ 27 
1 Cleaning Frequency and Fluid _____________________________________________________ 27 
1.1 Cleaning Frequency _________________________________________________________ 27 
1.2 Cleaning Fluid______________________________________________________________ 28 
2 Cleaning Quartz Flow Cell ________________________________________________________ 28 
2.1 In-situ Quartz Flow Cell Cleaning Method ________________________________________ 29 

Chemtrac UV254 Monitor –UVM5000 v 2.1 
Chemtrac, Inc. 3 
 
14.2.2 Manual Quartz Flow Cell Cleaning Method and Quartz Flow Cell Removal ______________ 30 
14.3 Replacing the UV Lamp __________________________________________________________ 31 
14.4 Ribbon Cable Replacement _______________________________________________________ 33 
15 Troubleshooting Guide _______________________________________________________________ 34 
15.1 Main Circuit Board LEDs _________________________________________________________ 34 
15.2 Alarms and Warnings ____________________________________________________________ 35 
15.3 Secondary Data ________________________________________________________________ 36 
15.3.1 Lamp Numbers _____________________________________________________________ 37 
15.3.2 Water Numbers_____________________________________________________________ 37 
15.3.3 Temperature and Humidity ____________________________________________________ 37 
16 Parts _____________________________________________________________________________ 38 
17 Cabinet Dimensions and Clearance_____________________________________________________ 39 
18 Warranty __________________________________________________________________________ 40 
 
List of Tables 
Table 1: UVM5000 Specifications _____________________________________________________________6 
Table 2: Installation site assessment checklist and recommendations _________________________________7 
Table 3: Unpacking Checklist_________________________________________________________________8 
Table 4: Main Terminals____________________________________________________________________14 
Table 5: Data logging - ASCII string description for Analyzer _______________________________________23 
Table 6: Data Logging - ASCII string description for Analyzer with Dual Feed __________________________24 
Table 7: Maintenance tasks and frequency _____________________________________________________27 
Table 8: Commercial cleaning solutions________________________________________________________28 
 
 
 

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 4

2 Overview

Thank you for purchasing from Chemtrac, Inc.

The UVM5000 is a continuous UV 254nm organic testing monitor

which utilizes an innovative dual path measurement technique,

shown in the following illustration.

The UVM5000 is designed to take sensor readings at 90-

degree angles to each other through two different path lengths

through a rectangular quartz flow cell. The two sensor readings

give the amount of light able to pass through two different path

lengths of test water. From these two measurements alone, the

UV transmittance (UVT) or UV absorbance (UVA) of the test

water is calculated without continuous need for calibration.

By continuously taking readings in the two directions through

the flow cell, calibration is effectively performed every time a

sample is taken. Therefore, quartz fouling and lamp fluctuations

are inherently compensated for by the measurement process

itself, improving accuracy.

Your product model and serial number are as follows:

*Your Serial Number is located on the inside of the cabinet door.

Model Number

UVM5000

Serial Number*

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 5

3 Safety

3.1 Safety Instructions

Please read and follow all safety instructions outlined in this owner’s manual prior to

installation and/or operation.

1. Visually inspect this analyzer prior to installation. If the

quartz flow cell or UV lamp is broken or damaged in any

way, do not use. Contact Chemtrac for replacement parts.

2. Ensure that all responsible personnel carefully read this

manual before installing or servicing this analyzer.

3. This analyzer contains a UV lamp, which emits light at UV

wavelengths. Never look directly at the UV light, as it could

cause permanent eye damage and burn unprotected skin.

4. Never service this analyzer without unplugging the power

supply.

5. Failure to properly install and maintain this analyzer may

impact its effectiveness and warranty.

6. Improper use of this analyzer may cause injury.

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 6

4 Technical Specifications

The UVM5000 provides affordability, increased accuracy, and reduced maintenance.

Table 1: UVM5000 Specifications

CHARACTERISTIC

TECHNICAL DATA

RANGE

10-100% UVT 0.0025-1 UVA

ACCURACY

± 0.5% FS

RESOLUTION

0.1% UVT 0.001 UVA

UNITS

cm-1

PATH LENGTH

10 mm (position A); 20 mm (Position B)

SAMPLING TIME

10 seconds

CALIBRATION

The dual light path technology allows for continuous automatic calibration during operation.

Periodic in-situ zeroing to DI water

CLEANING

•Significantly reduced clean requirements due to dual path measurement capability.

•Periodic in-situ chemical cleaning or optional automatic chemical cleaning

SELF-DIAGNOSTICS

Detection and diagnosis of internal system fault

OPERATOR

INTERFACE

Five push buttons to control a comprehensive hierarchical menu system

DISPLAY

•4-line x 20-character backlit LCD.

•Indicator light for system alarms and warnings

ALARMS

Operator configurable alarms for: high and low set points, low lamp output, leak detected,

system fault, etc.

HUMIDITY CONTROL

Humidity sensor with large plug-in regenerating desiccant system

OUTPUTS

•4-20mA output configurable to either UVA or UVT

•RS232 for configuration via PC

•Digital Output / Dry Contact

WAVELENGTHS

253.7 nm

LIGHT SOURCE

Low pressure mercury UV lamp

LAMP LIFE

12 to 18 months

DIMENSIONS

17”high x 14” wide x 8” deep (43 cm x 36 cm x 20 cm)

ENCLOSURE

NEMA 4x, wall mountable

FLOW RATE

300-1000 mL/min

PRESSURE RATING

20 PSI (1.38 bar)

FLUID CONNECTIONS

1/4” (6 mm) push-to-connect fittings and flex tubing

ELECTRICAL

24 VDC 40W power adapter (accepts 90-250 VAC 50/60 Hz)

STORAGE TEMP.

-20°C to +60°C (-4°F to +140°F)

OPERATING TEMP.

0°C to 45°C (32°F to 113°F)

RATED WATER TEMP.

0°C to 75°C (32°F to 167°F). With high temperature upgrade: 70°C to 95ºC (158°F to 203°F)

WEIGHT

22 lb (10 kg)

WETTED MATERIAL

HDFE, Nickel-plated Brass, Polypropylene, Quartz, Teflon, Viton, 316 Stainless Steel

WARRANTY

1-year limited warranty

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 7

5 Installation

5.1 Site Assessment

Prior to installation, the site should be assessed to collect all relevant information that may affect the installation

or operation of the system. Chemtrac has provided a checklist that can be used to ensure any installation or

operational problems can be addressed, resulting in the most efficient and effective installation and startup of

the system.

Table 2: Installation site assessment checklist and recommendations

CHECK

TIP

System installed outdoors?

Avoid areas with high exposure to sun and weather if possible.

If outdoors, system in direct

sunlight?

Select shaded area/shade hood for system or indoor location.

Temperature range at the

installation location?

Maximum operating temperature of 50°C.

Expected humidity at the

installation location?

Areas of high humidity may benefit from a spare desiccant pack.

Type of material the system will

be mounted on? (i.e. Concrete,

steel, railing)

Ensure the mounting hardware is appropriate and will support up to 50lbs

per component.

Sufficient space and clearance

to access and service the

system?

Refer to drawings in mounting section to ensure appropriate location is

selected. Minimal distance between system components is favored.

Power available at installation

location?

100-240VAC 50/60 Hz 4.0A input power required.

System location relevant to

measurement stream, what is

the distance?

Shortest possible distance minimizes measurement lag.

Favorable measuring

conditions? (i.e. no turbulence,

air bubbles, large suspended

solids etc.)

Select location with minimal measurement interferences.

Pressurized system able to

supply 300-1000 ml/min flow?

If necessary, use a needle valve to lower flow and maintain less than 20

PSI in analyzer. Splice connection from the side of the pressurized pipe, to

avoid air bubbles from top and sediment on bottom.

5.2 Unpacking and Inspection

To begin, remove the monitor from the packaging and carefully

inspect the product to ensure that no visible damage has occurred

during shipping. Next, ensure to remove the packing material that

is contained inside the cabinet. It is important to note that the

quartz flow cell and the rotating arm have been packed separately.

The following items will be:

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 8

Table 3: Unpacking Checklist

ITEM

UVM5000 Organics Monitor

Rotating Arm Assembly (packed inside the UVM5000 enclosure)

10 mm x 20 mm Quartz Flow Cell (packed inside the UVM5000 enclosure)

1L Calibration Bottle with ¼” Flex Tubing

24 VDC Power Adapter and Cable (packed inside the UVM5000 enclosure)

Dehumidifier (packed inside the UVM5000 enclosure)

Owner’s Manual

Please ensure all items are unpacked and accounted for before moving on to assembly.

Chemtrac UV254 Monitor –UVM5000 v 2.1

Chemtrac, Inc. 9

5.3 Assembly

5.3.1 Installing the Rotating Arm

1. Position the flat side of the motor shaft so it is facing out as shown in Figure 5.1.

2. Place the rotating arm on the motor shaft as shown in Figure 5.2, pushing down as far as possible.

3. Tighten the shaft locking screw with a #2 Phillips screwdriver as shown in Figure 5.3.

5.3.2 Installing the Quartz Flow Cell

1. Remove the flow cell carefully from the packaging. The flow cell should be clean, and care should be

taken to prevent fingerprints, especially in the middle region of the flow cell where the light beam passes

through. (Wearing gloves is recommended.)

2. Insert the flow cell into position under the flow cell header as shown below in Figure 5.4. Align the black

dot on the flow cell with the black dot on top of the white plastic flow cell guide.

3. Carefully and slowly lower the clamp ensuring it is aligned with the flow cell as shown in Figure 5.5 and

Figure 5.6. The flow cell clamp should not require much force when clamping down. If any significant

force is required, try adjusting the position of the flow cell to prevent damage.

Figure 5.1: Flat edge facing out

Figure 5.2: Slide arm on to shaft

Figure 5.3: Tighten locking screw

Figure 5.4: Place flow cell on seal

Figure 5.5: Lower clamp

Figure 5.6: Tighten clamp

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