ENMET Corporation
PO Box 979
Ann Arbor, MI 48106-0979
TX2000 / OX2000
Operation and Maintenance
Manual
80006-016
August 1999
MCN-326, 08/04/00
MCN-251, 04/13/01
MCN-266, 09/25/01
MCN-298, 04/18/03
MCN-317, 05/17/04
Table of Contents
1.0 INTRODUCTION ................................................................................................................................................... 1
1.1 Unpack ...........................................................................................................................................................................1
1.2 Check Order ...................................................................................................................................................................1
1.3 Serial Numbers...............................................................................................................................................................1
2.0 F
EATURES.......................................................................................................................................................... 2
2.1 Features ..........................................................................................................................................................................2
2.2 Power Supply .................................................................................................................................................................3
2.3 Sensor.............................................................................................................................................................................3
2.3.1 Replacement of Sensor ................................................................................................................................................................ 3
3.0 OPERATION ........................................................................................................................................................ 4
3.1 Turn On the Instrument..................................................................................................................................................4
3.2 Turn Off the Instrument .................................................................................................................................................4
3.3 Backlight ........................................................................................................................................................................4
3.4 Scrolling the Parameters.................................................................................................................................................5
3.5 Alarms ............................................................................................................................................................................6
3.5.1 Gas Alarm ................................................................................................................................................................................... 6
3.5.2 Fault Alarm................................................................................................................................................................................. 6
3.5.3 Clearing the Gas Alarm ..............................................................................................................................................................7
3.5.3 Clearing the Fault Alarm............................................................................................................................................................ 7
4.0 MAINTENANCE.................................................................................................................................................... 8
4.1 Access Maintenance Menus ........................................................................................................................................... 8
4.2 Programming Menu, for Alarm Adjustment ..................................................................................................................9
4.3 Calibration....................................................................................................................................................................10
4.3.1 TX2000 Calibration ................................................................................................................................................................. 10
4.3.1A TX2000 Calibration Menu ...................................................................................................................................................... 11
4.3.2 OX2000 Calibration ................................................................................................................................................................ 12
4.3.3 OX2000 Calibration Menu........................................................................................................................................................ 13
4.4 Sensor Replacement .....................................................................................................................................................14
5.0 WARRANTY................................................................................................................................................... 15
List of Figures and Tables
Figure 1: Exterior View of TX2000 / OX2000 ........................................................................................................................2
Figure 2: Interior View TX2000 / OX2000..............................................................................................................................3
Figure 3: Sensor .......................................................................................................................................................................3
Table 1: “Pulsed” Audio and Visual Alarms............................................................................................................................6
Table 2: “Continuous” Visual and Audio Alarms....................................................................................................................7
Figure 4: Entrance to Maintenance Menu Flow Chart .............................................................................................................8
Figure 4: Entrance to Maintenance Menu Flow Chart ...........................................................................................................10
Figure 4: Entrance to Maintenance Menu Flow Chart ...........................................................................................................12
Table 3: Data for Oxygen and Toxic Sensors.........................................................................................................................14
Figure 5: Calibration Adapter with Sample Draw System ..................................................................................................... 14
Reference information:
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OTE: [important information about use of instrument – if not followed may have to redo some steps.]
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AUTION: [affects equipment – if not followed may cause damage to instrument, sensor etc…]
WARNING: [affects personnel safety – if not followed may cause bodily injury or death.]
TX2000 / OX2000 ENMET Corporation
1.0 Introduction
The TX2000 and OX2000 are pocket size monitors for the detection of toxic gases or vapors and measurement of
oxygen levels.
It can be used in groups I or IIC explosive atmospheres, when equipped with approved batteries.
The TX2000/OX2000 is equipped with a plug-in sensor that can be accessed after unscrewing the sensor cap on the
top of the instrument.
It is powered by 3 x 1.5V batteries.
The TX2000/OX2000 displays the gas concentrations on a liquid crystal display fitted with a backlight.
In case of an alarm or anomalies, the instrument activates an audio and visible alarm.
The TX2000 version has 2 alarm thresholds: the first can be adjusted by the user and the second is preset at the factory.
The OX2000 version has one abundance and deficiency threshold.
The instruments have switches for turning the it on or off, for backlighting the display, for programming the alarm
threshold etc…
A periodic audio "BEEP" (factory-programmed intervals) shows that the instrument is working properly or indicates
that the TX / OX 2000 has been switched off deliberately. This “beep” can be disabled.
NOTE: All specifications stated in this manual may change without notice.
1.1 Unpack
Unpack the TX/OX 2000 and examine it for shipping damage. If such damage is observed, notify both ENMET
customer service personnel and the commercial carrier involved immediately.
Regarding Damaged Shipments
OTE: It is your responsibility to follow these instructions. If they are not followed, the carrier will
N
not honor any claims for damage.
This shipment was carefully inspected, verified and properly packaged at our company and delivered to the
carrier in good condition.
When it was picked up by the carrier at ENMET, it legally became your company’s property.
If your shipment arrives damaged:
• Keep the items, packing material, and carton “As Is.” Within 5 days of receipt, notify the carrier’s local
office and request immediate inspection of the carton and the contents.
• After the inspection and after you have received written acknowledgment of the damage from the carrier,
contact ENMET Customer Service for return authorization and further instructions. Have your Purchase
Order and Sales Order numbers available.
ENMET either repairs or replaces damaged equipment and invoices the carrier to the extent of the liability
coverage, usually $100.00. Repair or replacement charges above that value are your company’s responsibility.
The shipping company may offer optional insurance coverage. ENMET only insures shipments with the shipping
company when asked to do so in writing by our customer. If you need your shipments insured, please forward a
written request to ENMET Customer Service.
Regarding Shortages
If there are any shortages or questions regarding this shipment, please notify ENMET Customer Service within 5
days of receipt at the following address:
ENMET Corporation
680 Fairfield Court
Ann Arbor, MI 48108
734-761-1270 734-761-3220 Fax
1.2 Check Order
Check, the contents of the shipment against the purchase order. Verify that the TX2000/OX2000 is received as
ordered. If there are accessories on the order, ascertain that they are present. Check the contents of calibration kits.
Notify ENMET customer service personnel of any discrepancy immediately.
1.3 Serial Numbers
Each TX2000/OX2000 is serialized. These numbers are on tags on the equipment and are on record in an ENMET
database.
1
ENMET Corporation TX2000 / OX2000
2.0 Features
2.1 Features
Feature See Figure 1 Description
Display
ENTER Switch
BACKLIGHT / Down
Switch
ALARM / Up Switch
Visual Alarm
Audio Alarm
Sensor
The liquid Crystal display allows messages to be read clearly:
• 3 digits 1/2 for displaying the measurement (0 to 1999 ppm or 0 to 30.0% O2).
• Equipped with back light by light-emitting diodes.
• 4 pictograms supplementing the audio and visual alarms relating to the
exceeding of thresholds, battery faults, maintenance mode.
• Switching the instrument on or off
• Enter
• Backlighting the display
• Scrolling the parameters and menus
• “down ” switch
• Turn off the gas alarm
• “up” switch
• "yes" or "no" for confirmation.
Red indicator clearly visible on 4 sides and located at the top of the instrument
Loud buzzer located on the front panel of the instrument
OX2000: Measures oxygen concentration
TX2000: Senses toxic gas
• See Table 3 in section 4.4 for data on different sensors
Belt Clip
Belt Clip
(On back of instrument)
Visual Alarm
ENTER switch
BACKLIGHT switch
ALARM switch
Clip to outside of clothing for hands-free operation
Display
Sensor
(Under protective Cap)
Sensor
Protective Cap
Audio Alarm
Figure 1: Exterior View of TX2000 / OX2000
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TX2000 / OX2000 ENMET Corporation
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2.2 Power Supply
It is provided by: 3 batteries LR01 1.5V ( Duracel, Energizer, Panasonic).
WARNING: Do no change batteries in a hazardous area.
Under normal use conditions the instrument will run for 600 hours with batteries.
The instrument is certified for use in group I and II explosive atmospheres, when it is equipped with batteries of a
type recommended by the manufacturer.
WARNING: Substitution of batteries or other components may compromise the intrinsic safety of the instrument.
Batteries
(3 places)
Figure 2: Interior View TX2000 / OX2000
2.3 Sensor
Being a vital element of the gas detector, the sensor of the TX2000/OX2000 must be treated with care. Mechanical
impacts, splashing with water etc… may impair the quality of the measurement or even, in extreme cases, destroy
the sensors.
A water-repellent and anti-dust filter protects the top of the sensor.
Each sensor can detect one toxic gas or oxygen. See section 4.4, Table 3 for data on sensors
2.3.1 Replacement of Sensor
The sensor is located on the top of the instrument. See figure 1.
The sensor can be removed once the protective cap is removed.
OTE: The sensor must be inserted in the proper orientation. Alien the tab on the bottom edge of the sensor with the
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grove in the instrument.
OTE: In order to be able to operate correctly, the sensor should never be obstructed.
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Top of Senso
Bottom of Sensor
Figure 3: Sensor
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ENMET Corporation TX2000 / OX2000
3.0 Operation
3.1 Turn On the Instrument
The TX/OX 2000 is turned on by pressing momentarily the ENTER switch
A regular audio “
The interval between the "
The following appear in succession on the display, accompanied by a continuous visual and audio signal:
BEEP” signals that the instrument is operating correctly.
BEEPS" is factory-programmable, and the "BEEPS" can be disabled.
Test display
r 1.2
– 3
– 2
– 1
– 0
Example:
0
NOTE: The instrument is initialized to detect only one type of gas (toxic or oxygen). The "detected" gas is
programmed at the factory and the instrument is labeled with the type of gas. See section 4.4 table 3 for data
of different sensors
Software version used
Automatic testing of the instrument on power-up, during countdown
Display in ppm measurement for the toxic gas detected or in % for oxygen
3.2 Turn Off the Instrument
Press and hold the ENTER switch until instrument has counted down and turned off.
The display indicates the following countdown:
– 2
– 1
– 0
• Press and hold the ENTER switch.
• Displays 3-second countdown and turns off (with confirmation
• Then release the switch.
3.3 Backlight
In order to read the disply in dark locations it is possible to illuminate the display by momentarily pressing the
BACKLIGHT switch.
2 red LEDs placed on either side of the display provide this illumination for about 20 seconds.
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BEEP).
TX2000 / OX2000 ENMET Corporation
3.4 Scrolling the Parameters
By pressing momentarily and successively on the BACKLIGHT switch.
Press BACKLIGHT Switch
With first press of switch, display is back-lighted then
Press BACKLIGHT Switch
LO
Press BACKLIGHT Switch The highest measurement detected since the instrument was switched on
HI
Press BACKLIGHT Switch
| | | |
Press BACKLIGHT Switch
* If no switch is pressed in 3 min., the instrument will return in normal display of current measurement.
The lowest measurement detected since the instrument was switched on
(refreshed each time the instrument is switched back on)
Cyclic display of measurement appears if no switch is pressed *
(refreshed each time the instrument is switched back on)
Cyclic display of measurement appears if no switch is pressed *
Display of segments indicate operating battery current voltage status
Cyclic display of measurement appears if no switch is pressed *
Return to display of the current measurement in ppm of the toxic
measurement detected or in % oxygen
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ENMET Corporation TX2000 / OX2000
3.5 Alarms
3.5.1 Gas Alarm
The “gas” audio and visual alarm is triggered when at least one of the two preprogrammed instantaneous thresholds
is exceeded.
TX2000 Toxic Version
• The adjustable threshold: (threshold 1): can be altered by using the maintenance / programming mode. See
section 4 for entrance to maintenance menus.
• The fixed threshold: (threshold 2): programmed by ENMET when the instrument is initialized and cannot be
altered by the user, the threshold is 60 % of scale.
OX2000 Oxygen Version
• The abundance threshold: adjustable up to 25% oxygen.
• The deficiency threshold: adjustable from 21% to 0% oxygen.
AUTION: The OX2000 thresholds are adjustable to exceed safe levels, 17% deficiency if adjusted beyond these
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levels, use instruments with caution. Failure to do so may result in injury or death.
When at least one of the two thresholds is exceeded, the TX2000 / OX2000 delivers a “pulsed” audio alarm and
simultaneously the red visual alarm flashes.
An “alarm” pictogram flashes simultaneously under the current measurement value displayed.
Table 1: “Pulsed” Audio and Visual Alarms
Display Cause Remedy
XXPPM
Alarm pictogram
battery pictogram The battery is beginning to discharge Audio and visual alarms can be
Instantaneous threshold exceeded Alarm can be cleared
cleared Change batteries
3.5.2 Fault Alarm
The faults can be classed into 2 types:
• Those relating to the sensor (out-of-range, sensor worn out, unsuccessful calibration etc...).
• Those relating to the instrument itself: worn out batteries, OX / TX2000 fault. They cause the following
message to appear:
bat
The various faults generate a “continuous” visual and audio alarm that cannot be cleared.
manually.
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TX2000 / OX2000 ENMET Corporation
Table 2: “Continuous” Visual and Audio Alarms
Display Cause Result / Remedy
BAT Pictogram
OR
DEF
DEF
DEF
DEF
DEF
DEF 8
(cyclic)
(cyclic)
(cyclic)
(cyclic)
1
2
128
16
4
• The batteries are worn:
The instrument is no
• Measurement range exceeded. • Alarm can be cleared manually.
• Zero fault: sensor zero shifted out of
range
• Sensitivity fault • Recalibrate, if the fault persists: the sensor
• Sensor not installed
• Incorrect sensor
• Measurement too negative or sensor
faulty
• Sensor worn out, low sensitivity • Alarm cannot be cleared.
• EEPROM fault:
not initialized
longer usable.
EEPROM memory is
• Alarm cannot be cleared.
• Switch off the instrument
• Replace batteries
• Acknowledge the alarm.
• Calibrate
must be replaced
• Alarm cannot be cleared
• Switch the instrument off
• Install sensor
• Replace with the correct type of sensor.
• Recalibrate
• If the fault persists: the sensor must be
replaced
• Replace the sensor.
• Return the instrument to ENMET to be
reinitialized.
DEF 69
DEF 64
35
to
• Communication problem between
micro and EEPROM
• Component fault: temperature
detector is faulty
• Return the instrument to ENMET for repair.
• Return the instrument to ENMET for repair.
3.5.3 Clearing the Gas Alarm
By pressing momentarily the ALARM button
Clearing the alarm involves canceling the “pulsed” audio signal and turning off the alarm indicator.
WARNING: If the alarm is cleared while a threshold is still exceeded the operator of the instrument must leave the
dangerous area.
If the audio alarm is cleared while a threshold is still exceeded: the visual alarm will continue to flash and the
corresponding pictogram will remain "steady".
The instrument will return to normal state when measurement is under the alarm threshold.
3.5.3 Clearing the Fault Alarm
In case of a fault, it is not possible to clear the “continuous” audio and visual alarms.
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ENMET Corporation TX2000 / OX2000
4.0 Maintenance
The operations and adjustments described in this section must be performed by authorized personnel, as they affect
detection safety.
Important: Being a safety instrument, it is necessary to calibrate:
• TX2000 at least twice a year.
• OX2000 when ever it fails to read 20.9 when turned on ( ± 0.02)
4.1 Access Maintenance Menus
Turn the instrument on. After the instrument stabilizes press and hold for 5 seconds, the BACKLIGHT and
ENTER switches, at the same time. See figure 4 entrance to maintenance menu.
Press at the same time for 5 seconds:
(During this time, measurement is displaying)
&
5 seconds later, the maintenance pictogram appears
• Release the switches
• At this time, the operator has 5 seconds to
enter the maintenance menus or the
instrument returns to operation mode.
Do you want to reach
the menus?
NO
No action on switches
Return to normal operation,
5 seconds later
Figure 4: Entrance to Maintenance Menu Flow Chart
YES
Press ALARM switch 3 times
Maintenance pictogram is flashing
You have access to:
Calibration (CAL) and
Programming (PrG) menus.
· Then proceed with following
Press BACKLIGHT switch to toggle
between (PrG) and (CAL)
to continue See Sections:
4.2 for Programming
4.3 for Calibration
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TX2000 / OX2000 ENMET Corporation
4.2 Programming Menu, for Alarm Adjustment
See figure 4 for entrance to maintenance menu.
1. Press the ENTER switch at the
programming display:
PrG
2.
40
3. Press UP or DOWN switches:
Enter the programming menu
Display of the current alarm threshold
To alter the alarm threshold
4. Press ENTER switch:
5. Display:
6. Press ENTER switch.
7. Press ALARM switch to toggle between
yes and no:
No Yes
8. Press ENTER switch.
9.
CnF
Enter the new threshold
Display "request for confirmation"
Display confirmation : NO
Display confirmation : NO
Display "yes or no" of confirmation
(with each depression of the button)
Display confirmation: YES
Enter the confirmation chosen
In order to keep old programming, confirmation “NO”
cancels changes.
Return to the normal display of the current measurement
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ENMET Corporation TX2000 / OX2000
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4.3 Calibration
Verify that the TX/OX 2000 is working properly by calibration, performed with the help of a calibration gas. If
the response is not adequate or when any of the following occur, perform a complete calibration.
♦ At least every 6 months for the
♦ Whenever the instrument has been exposed to high concentrations of gas.
♦ When an instrument has been stored for more than one month without use.
♦ When changing of sensors.
♦ If “DEF16” fault appears (measurement too negative).
Within the calibration menu, "visible and audio" alarms are not triggered.
“Calibration” menu consists of:
Setting the zero in clean air and the sensitivity with calibration gas. See Section 4.3.1
There is no zero adjustment for the OX2000. See section 4.3.2
4.3.1 TX2000 Calibration
Enter maintenance menu.
Press both switches at the same time for 5 seconds:
(During this time, measurement is displaying)
&
5 seconds later, the maintenance pictogram appears
• Release the switches
• At this time, the operator has 5 seconds to enter the
maintenance menus or the instrument returns to operation
mode.
Do you want to reach
the menus?
O
No action on switches
Return to normal operation,
5 seconds late
Figure 4: Entrance to Maintenance Menu Flow Chart
YES
Press ALARM switch 3 times
Maintenance pictogram is flashing
You have access to:
Calibration (CAL) and
Programming (PrG) menus.
· Then proceed with following
Press BACKLIGHT switch to toggle
between (PrG) and (CAL)
to continue See Sections:
4.2 for Programming
4.3.1A for Calibration
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TX2000 / OX2000 ENMET Corporation
4.3.1A TX2000 Calibration Menu
Enter the Calibration Menu. First make zero adjustment.
1. Press the BACKLIGHT switch to toggle
from programming to calibration menu:
PrG
CAL
Switch to display the calibration menu
2. Press ENTER switch:
3
– 0 –
4. Press ENTER switch:
5.
Enter the calibration menu
Display : zero adjustment
To enter the zero adjustment procedure
Display the current value "zero".
6. Press UP or DOWN switches:
To adjust value to “zero” if necessary
7. Press ENTER switch.
To set the zero adjustment
Then make sensitivity adjustment.
• Attach the calibration cover over the sensor.
• Connect the hose from the calibration kit and inject the calibration gas ( >10% range of the gas detected
otherwise only the zero will be confirmed), maintaining a flow rate of 30 l/h.
• Then continue scrolling the calibration menu:
1.
2. Press ENTER switch:
3.
Example:
– S –
100
Display the adjustment of sensitivity
To enter the sensitivity adjustment procedure
The display indicates proper calibration gas. Apply the gas:
♦ Wait for the signal to stabilize.
4. Press UP or DOWN switches:
To adjust calibration gas correct value
5. Press ENTER switch:
6. Display:
CnF
6. Press ENTER switch.
7. Press ALARM switch to toggle between
yes and no:
No Yes
8. Press ENTER switch.
To enter the adjustment of sensitivity
Display "request for confirmation"
Acceptance of request for confirmation
Display confirmation : NO
Display "yes or no" of confirmation
(with each depression of the button)
Display confirmation: YES
Enter the confirmation chosen
NO: The measurements are not entered
YES: The measurements are entered
9.
Return to normal display of current measurement
Note: When the calibration procedure has been completed, do not forget to remove the calibration
cap from instrument. Failure to do so will cause the instrument to be inaccurate.
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ENMET Corporation TX2000 / OX2000
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4.3.2 OX2000 Calibration
In OX2000 version, this adjustment can be done without gas but must be in clean air.
Enter the maintenance menu.
Press both switches at the same time for 5 seconds:
(During this time, measurement is displaying)
&
5 seconds later, the maintenance pictogram appears
• Release the switches
• At this time, the operator has 5 seconds to enter the
maintenance menus or the instrument returns to operation
mode.
Do you want to reach
the menus?
O
No action on switches
Return to normal operation,
5 seconds late
Figure 4: Entrance to Maintenance Menu Flow Chart
YES
Press ALARM switch 3 times
Maintenance pictogram is flashing
You have access to:
Calibration (CAL) and
Programming (PrG) menus.
· Then proceed with following
Press BACKLIGHT switch to toggle
between (PrG) and (CAL)
to continue See Sections:
4.2 for Programming
4.3.3 for Calibration
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TX2000 / OX2000 ENMET Corporation
4.3.3 OX2000 Calibration Menu
Enter the Calibration Menu:
1. Press the BACKLIGHT switch to toggle
from programming to calibration menu:
PrG CAL
Switch to display the calibration menu
2. Press ENTER switch:
There is no zero adjustment for the OX2000 version.
Make sensitivity adjustment.
In OX2000 version, this adjustment can be done without gas but must be in clean air.
• Then continue scrolling the calibration menu:
1.
– S –
2. Press ENTER switch:
3.
Example:
4. Press UP or DOWN switches:
5. Press ENTER switch:
6. Display:
6. Press ENTER switch.
7. Press ALARM switch to toggle between
yes and no:
No Yes
8. Press ENTER switch.
9.
20.9
CnF
Enter the calibration menu
Display the adjustment of sensitivity
To enter the sensitivity adjustment procedure
The display indicates proper calibration gas. Apply the gas:
♦ Wait for the signal to stabilize.
To adjust calibration gas correct value
To enter the adjustment of sensitivity
Display "request for confirmation"
Acceptance of request for confirmation
Display confirmation : NO
Display "yes or no" of confirmation
(with each depression of the button)
Display confirmation: YES
Enter the confirmation chosen
NO: The measurements are not entered
YES: The measurements are entered
Return to normal display of current measurement
NOTE: When the calibration procedure has been completed, do not forget to remove the calibration cap from
instrument. Failure to do so will cause the instrument to be inaccurate.
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ENMET Corporation TX2000 / OX2000
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4.4 Sensor Replacement
Necessary when:
• Instrument fails to calibrate, sensor is worn out (DEF4).
• Wrong type of sensor installed (DEF128).
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OTE: If other type of sensor is connected by mistake during sensor replacement, “DEF128” fault will be triggered.
Table 3: Data for Oxygen and Toxic Sensors
Gas /
Unit of measure
CL2 ppm (2)
CO ppm
H2 ppm
H2S ppm
HCN ppm
NH3 ppm
NO ppm
NO2 ppm
O2 %
by Volume
O3 ppm (1)
Standard range Accuracy
(in % of full scale)
10 < 5 % 0.1 ppm
500 < 5 % 1 ppm < 20 ppm
2000 < 5 % 1 ppm
100 < 5 % 1 ppm < 1 ppm
30 < 5 % 0.1 ppm
100 < 5 % 1 ppm < 3 ppm
100 < 5 % 1 ppm < 2 ppm
30 < 5 % 1 ppm < 1 ppm
30 < 0.5 %
volume O2
1 ± 0.05 ppm 0.01 ppm
Resolution Zero drift Response time
0.1% vol. < 2%
< 0.5 ppm
per 6 months
per 6 months
< 50 ppm
per 6 months
per 6 months
< 0.5 ppm
per 6 months
per 6 months
per 6 months
per 6 months
per month
< 0.05 ppm
per 6 months
(in seconds)
< 180 > 12 12
< 45 24 12
< 150 24 12
< 30 24 12
< 90 18 12
< 220 > 12 9
< 30 > 12 12
< 100 > 12 12
< 20 > 12 12
< 120 12 12
Expected Life of
Sensor
(in months)
Warranty
(in months)
NOTE: All specifications stated in this manual may change without notice.
(1) Require use of Sample Draw System. See Figure 5.
(2) Recommended use of Sample Draw System, for enhanced sensitivity and speed of response. See Figure 5.
Example of Sample Draw System
with Sampling Adapter 02552-023
ALARM POWE R
OUT
CHARGE
JACK
IN
MOTORIZED SAMPLE
PUMP
Motorized Sample Pump
03700-029
Figure 5: Calibration Adapter with Sample Draw System
Adapter with Fitting for Calibration
mbient Ai
Sample IN
Sample OUT
To Sensor
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TX2000 / OX2000 ENMET Corporation
5.0 WARRANTY
ENMET warrants new instruments to be free from defects in workmanship and material under normal use for a
period of one year from date of shipment from ENMET. The warranty covers both parts and labor excluding
instrument calibration and expendable parts such as calibration gas, filters, batteries, etc... Equipment believed to be
defective should be returned to ENMET within the warranty period (transportation prepaid) for inspection. If the
evaluation by ENMET confirms that the product is defective, it will be repaired or replaced at no charge, within the
stated limitations, and returned prepaid to any location in the United States by the most economical means, e.g.
Surface UPS/RPS. If an expedient means of transportation is requested during the warranty period, the customer is
responsible for the difference between the most economical means and the expedient mode. ENMET shall not be
liable for any loss or damage caused by the improper use of the product. The purchaser indemnifies and saves
harmless the company with respect to any loss or damages that may arise through the use by the purchaser or others
of this equipment.
This warranty is expressly given in lieu of all other warranties, either expressed or implied, including that of
merchantability, and all other obligations or liabilities of ENMET which may arise in connection with this
equipment. ENMET neither assumes nor authorizes any representative or other person to assume for it any
obligation or liability other than that which is set forth herein.
NOTE: When returning an instrument to the factory for service:
Be sure to include paperwork.
A purchase order, return address and telephone number will assist in the expedient repair and return of your unit.
Include any specific instructions.
For warranty service, include date of purchase
If you require an estimate, please contact ENMET Corporation.
There are Return for Repair Instructions and Form on the last pages of this manual. This Form can be copied or
used as needed.
15
ENMET Corporation TX2000 / OX2000
Notes:
16
PO Box 979
680 Fairfield Court
Ann Arbor, Michigan 48106-0979
734.761.1270 Fax 734.761.3220
Returning an Instrument for Repair
ENMET instruments may be returned to the factory or any one of our Field Service Centers for
regular repair service or calibration. The ENMET Repair Department and Field Service
Centers also perform warranty service work.
When returning an instrument to the factory or service center for service, paperwork must be
included which contains the following information:
¾ A purchase order number or reference number.
¾ A contact name with return address, telephone and fax numbers
¾ Specific instructions regarding desired service or description
of the problems being encountered.
¾ Date of original purchase and copy of packing slip or invoice
for warranty consideration.
¾ If a price estimate is required, please note it accordingly and be
sure to include a fax number.
Providing the above information assists in the expedient repair and return of your unit.
Failure to provide this information can result in processing delays.
ENMET charges a one hour minimum billing for all approved repairs with additional time billed
to the closest tenth of an hour. All instruments sent to ENMET are subject to a minimum $30
evaluation fee, even if returned unrepaired. Unclaimed instruments that ENMET has received
without appropriate paperwork or attempts to advise repair costs that have been unanswered,
after a period of 60 days, may be disposed of or returned unrepaired COD with the evaluation
fee.
Service centers may have different rates or terms. Be sure to contact them for this information.
Repaired instruments are returned by UPS/FedEx Ground and are not insured unless
otherwise specified. If expedited shipping methods or insurance is required, it must be
stated in your paperwork.
Note: Warranty of customer installed components.
If a component is purchased and installed in the field, and fails within the warranty
term, it can be returned to ENMET and will be replaced, free of charge, per ENMET’s
returned goods procedure.
If the entire instrument is returned to ENMET Corporation with the defective item
installed, the item will be replaced at no cost, but the instrument will be subject to labor
charges at half of the standard rate.
Repair Return Form
Mailing Address:
ENMET Corporation
PO Box 979
Ann Arbor, Michigan 48106
Phone Number: 734.761.1270
FAX Number: 734.761.3220
Your Mailing Address:
Contact Name: __________________________ Your Phone:
_______________________
Shipping Address:
ENMET Corporation
Attn: Repair Department
680 Fairfield Court
Ann Arbor, Michigan 48108
Your Shipping Address:
Your PO/Reference Number: _______________ Your FAX:
_______________________
Payment Terms: T COD
(Check one) T VISA / MasterCard______________________ ________
Card number Expiration
Return Shipping Method:
T UPS: T Ground T 3 Day Select T Next Day Air T ND Air Saver T 2-Day Air
T Federal Express: T Ground T Express Saver T P-1 T Standard T 2-Day Air
T FedEx Account number: ________________________
Would you like ENMET to insure the return shipment?
T No T Yes Insurance Amount: $_________________
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