Inficon D-TEK 3 Manuale utente
Operating Manual
D-TEK® 3
Refrigerant Leak Detector
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074-710-P16B
INFICON Table of Contents
074-710-P16B D-TEK 3 Operating Manual 3
Table of Contents
1 Cautions and Warnings .................................................................................................................................4
2 Specifications.................................................................................................................................................5
3 D-TEK 3 ...........................................................................................................................................................7
4 Charging the Battery......................................................................................................................................8
5 Turning On the Instrument and Preparing for Use .....................................................................................9
6 Pinpoint Mode.................................................................................................................................................9
7 Manual Zero Mode........................................................................................................................................10
8 Earbuds and Volume Control......................................................................................................................10
9 Removing and Installing the Lithium Ion Battery......................................................................................11
10 Removing and Installing the Sensor ..........................................................................................................12
11 Replacing Filters ..........................................................................................................................................13
12 Extra-long Probe ..........................................................................................................................................14
13 Optional Sensors..........................................................................................................................................15
14 Cleaning and Storage ..................................................................................................................................16
15 Replacement Parts and Accessories .........................................................................................................16
16 Troubleshooting Guide................................................................................................................................17
17 Warranty and Liability-Limitation ...............................................................................................................18
1 | Cautions and Warnings INFICON
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1 Cautions and Warnings
Cautions:
• Only use a certified charger/cord with an output of 5 V (dc) ±5%, 1 A ±5%.
• Keep the device out of extremely high or low temperature locations.
• Do not expose the battery to liquid.
• Do not use the device if you notice any damage to the battery.
• Do not disassemble or modify the battery.
• Handle and dispose of the battery per local regulations.
• If the recharging operation fails to complete, even when the specified recharging
time has elapsed, immediately stop further recharging.
• Do not leave the battery unattended while charging.
• Unplug the charger when the battery is fully charged.
• Improper use or disposal of lithium ion batteries can cause a fire.
• High RF environments may cause a false alarm.
WARNING
This symbol alerts the user to the presence of important operating and
maintenance (servicing) instructions.
WARNING
Exposure to high concentrations of CO2 or refrigerants is dangerous and
can be life-threatening.
The instrument is not for use in toxic or hazardous environments. It is not a personal
protection or life-saving device. Always exercise extreme caution in potentially toxic or
hazardous environments.
WARNING
This product is not intrinsically safe and should not be used in the
presence of explosive fumes, explosive dust, or other explosive
chemicals. Use in an environment with flammable refrigerant
concentration approaching the LEL (lower explosive limit) could cause an
explosion or fire resulting in serious injury, death, or damage to property.
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INFICON Specifications | 2
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2 Specifications
Usage indoor/outdoor
Sensor type infrared
Compatible refrigerants
• Refrigerant sensor
(standard, PN 724-701-G1)
All CFCs, HCFCs, HFCs, HFOs, and
blends (including A2Ls)
• CO2 sensor (PN 724-701-G2) R744 (carbon dioxide)
• Flammable refrigerant (HC) sensor
(PN 724-701-G3)
R290, R600a, R441a (see safety
warnings)
Sensitivity (tested to EN14624 standard)1
• R134a 0.04 oz./yr (1g/yr)
• R1234yf 0.02 oz./yr (0.5g/yr)
• R290 0.2 oz./yr (5g/yr)
• R744 (CO2) 0.07 oz./yr (2g/yr)
• Ammonia 0.1 oz./yr (3g/yr)
Battery type lithium ion
Charging input type micro USB
Charging time (starting at 0%) approximately 3 hours
Battery life approximately 9 hours
Sensor life Up to 2000 hrs
Input voltage 5 V (dc) ±5%
Input current 1 A ±5%
Warm-up period 45–90 seconds
Temperature ranges and humidity
• Storage -20–60°C (-4–140°F)
• Operating2-20–50°C (-4–122°F)
• Charging 0–45°C (32–113°F)
• Humidity 95% RH NC maximum
Altitude 2000 m (6500 ft.)
Pollution degree 2
Overvoltage category 2
Weight (with battery; not including
carrying case or accessories)
0.97 lb. (0.44 kg)
1 To achieve optimal performance and the specified sensitivities, it is recommended to
allow D-TEK 3 to run for 15 minutes prior to use.
2 | Specifications INFICON
6 / 260 074-710-P16B D-TEK 3 Operating Manual
2 Use in temperatures below 0°C (32°F) should be limited. Extended warm-up time is
recommended before use in low temperature environments.
Specification table in accordance with EN 14624:2020
R134a R1234yf R744
(CO2)
Ammonia
(R717)
R290
Minimum sensitivity,
fixed (static)
1 g/yr 0.5 g/yr 2 g/yr 3 g/yr 5 g/yr
Minimum sensitivity,
moving (dynamic)
1 g/yr 1 g/yr 2 g/yr 3 g/yr 5 g/yr
Minimum response/
detection time
<1 s <1 s <1 s <1 s <1 s
Recovery time for x g/yr
exposure3
7.6 s 6.4 s 13 s 4 s 4 s
Minimum sensitivity in
contaminated
environment
>2 g/yr 1 g/yr > 4g/yr 3 g/yr 7 g/yr
Calibration frequency Check annually with calibrated leak standard
3 x = R134a: 32 g/yr
R1234yf: 35 g/yr
R744: >50 g/yr
R717: 35 g/yr
R290: 30 g/yr
Patents (Pending) Application #10 2018 208 826.8
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INFICON D-TEK 3 | 3
074-710-P16B D-TEK 3 Operating Manual 7 / 260
3 D-TEK 3
MODE button SENS/ZERO button
leak indicators
sensitivity indicators
power indicator MODE indicator
battery door
eject button
4 | Charging the Battery INFICON
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power button micro USB power input
volume button headphone jack
battery door
eject button
4 Charging the Battery
D-TEK 3 uses a rechargeable lithium ion battery that comes partially charged. INFICON
recommends charging the battery before use. Using the supplied charger or charging
cradle accessory, a dead battery can be charged to 80% in approximately 2 hours and
100% in approximately 3 hours. A full charge typically lasts about 9 hours of operation,
depending on the operating temperature. The power indicator indicates the remaining
battery percentage.
Color % Charge
Green >30%
Orange 10–29%
Red <10%
D-TEK 3 can be used while charging.
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INFICON Turning On the Instrument and Preparing for Use | 5
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5 Turning On the Instrument and
Preparing for Use
If the unit does not turn on, the battery is low and needs to be charged. D-TEK 3 can
be used while charging.
1Long press the power button (located on the left side of the body of the
instrument) to turn D-TEK 3 On or Off.
ðD-TEK 3 begins a variable-time warm-up for 45 to 90 seconds. When warm-
up is complete, D-TEK 3 is ready to use.
2To switch modes, press the MODE button. This toggles between Pinpoint and
Manual Zero modes.
D-TEK 3 always starts in the last mode that was used.
6 Pinpoint Mode
1Place the tip of D-TEK 3 as close as possible to the suspected leak (do not
block the air flow).
2Slowly move the probe past each possible leak point.
ðIf a leak is detected, D-TEK 3 alarms and the leak indicators illuminate.
3When a leak is identified, pull the probe away from the leak for a few seconds
and then recheck the spot to verify the leak.
In Pinpoint mode, D-TEK 3 automatically zeros to the background refrigerant
concentration and only alarms again with a higher concentration of refrigerant. When
this occurs, either continue looking for a higher concentration of refrigerant or move
the probe to an area of lower concentration for a few seconds to reset the zero point.
Press the SENS/ZERO button to switch the sensitivity setting. When working with a
large leak, it can be easier to pinpoint the leak location using a lower sensitivity
setting. The current sensitivity is displayed by the sensitivity (SENS) indicator.
7 | Manual Zero Mode INFICON
10 / 260 074-710-P16B D-TEK 3 Operating Manual
7 Manual Zero Mode
Manual Zero mode operates similar to Pinpoint mode, but is identified by the MODE
indicator slowly flashing. Manual Zero mode allows the user to manually zero to the
background refrigerant by pressing the SENS/ZERO button. Once the new zero point is
set, D-TEK 3 will not alarm unless a higher concentration of refrigerant is detected.
Manual Zero mode beeps faster at the zero point than other modes. If the
concentration is lower than the current zero point, the beeping slows. This allows the
user to know if they are moving away from the leak by listening to a change in the beep
rate.
There is no sensitivity setting in Manual Zero mode.
Manual Zero mode requires an extra warm-up time of up to 15 minutes for optimal
performance.
8 Earbuds and Volume Control
A headphone jack is located on the right side of D-TEK 3 for listening to the alarm
sounds through headphones or earbuds.
WARNING
If attempting to use headphones not supplied by INFICON, be sure to test
them carefully to avoid hearing damage.
A volume button is located next to the headphone jack. Press the volume button to
toggle from 100% volume, to 50% volume, and to mute. The volume defaults to 100%
at startup. When headphones or earbuds are plugged in, the volume toggles between
100% volume and mute.
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INFICON Removing and Installing the Lithium Ion Battery | 9
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9 Removing and Installing the Lithium Ion
Battery
1Press the eject button on the back of D-TEK 3 and remove the battery door.
eject button
battery release tab
2Remove the battery by moving the battery release tab to the side until the
battery begins to eject. Slide the battery out.
3Re-insert the battery by first aligning the battery with the rails.
4Gently push the battery along the rails until the battery release tab engages.
ðDo not force the battery. If the battery does not slide freely, check the
alignment and try again.
5Reinstall the battery door.
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