Fieldpiece DR58 Refrigerant Leak Detector Instruction Manual
- June 5, 2024
- Fieldpiece
Table of Contents
Heated DiodeRefrigerant Leak Detector OPERATOR’S
MANUAL Model DR5
Description
Compact and rugged, the DR58 Heated Diode Refrigerant Leak Detector helps you
find leaks fast in the field. Its heated diode sensor detects all HFC, HCFC,
CFC, HFO, and blends.
Multiple indicators and sensitivity 20x higher than soap bubbles make it easy
to track down even the smallest leaks in various environments.
A red LED flashes at the tip so you can keep your eyes on the target. The
large bars on the backlit LCD are easy to see in bright sunlight or low light,
and the numerical value provides an extra digit of resolution.
Unlike conventional leak detectors, you have full control with both an
automatic (AZERO) and manual (MZERO) zero mode.
The large Li-ion rechargeable battery provides over 18 hours of continuous
operation and is convenient to charge via USB-C. Replaceable tips filter out
water and dust while getting into tight spots. All wrapped up in a ruggedized
IP54 housing, it’s built for the field
What’s Included
DR58 Heated Diode Refrigerant Leak Detector
Heated Diode Sensor (RHD1)
Blow Molded Carrying Case (ABM2)
AC Charger and USB-C Cable (RCA3)
5 x Filter Tips and Gaskets (RFT6)
Operator’s Manual
1 Year Limited Warrant
Specifications
Sensor Type: Heated diode
Sensor Life: 300 hours typical
Sensitivity Levels: High, medium, low (selectable)
Maximum Sensitivity: 0.03 oz/yr (1g/a), stationary; 0.1 oz/yr (3g/a), in
motion
Detection Feedback: Red tip LED, LCD bar graph, LCD digits, beeper
Refrigerants: HFC, HCFC, CFC, HFOs, and blends
Response Time: <1 seconds typical
Recovery Time: <10 seconds typical
Battery Type: 3.7 VDC (nominal) 2600mAh, non-replaceable
Charge Time: 6 hours typical with included charger.
Battery Life: 18 hours typical, backlight off
Auto Power Off: 10 minutes without detection or button press
Operating Environment: 32°F to 104°F (0°C to 40°C); < 75% RH (non-
condensing)
Storage Temperature: -4°F to 140°F (-20°C to 60°C); < 80% RH
Weight: 14 oz (400g)
Water Resistance: Designed to IP54
US Patent: www.fieldpiece.com/patent
Certifications and Compliance
14624
Regulatory Compliance Mark
Restriction of Hazardous Substances Complain
Waste Electrical and Electronic Equipment
WARNINGS
Inhalation of high concentrations of refrigerant vapor can block oxygen to the
brain causing injury or death.
Do not use this device in a combustible gas atmosphere or with
A3 refrigerants such as R-290, propane or R-600, and isobutane.
Do not block the exhaust port or device or will not function properly
Quick Start
-
Install sensor (see next panel for details).
-
Move to a refrigerant-free environment and hold until your DR58 powers on.
-
Allow warm-up (calibration) to complete.
Total used sensor hours are also displayed. -
Begin searching for the leak source.
Move the tip slowly (~3 inches/sec) and as close as possible to the suspected refrigerant line. -
Search until refrigerant gas is detected.
Red light flashes, audible alarm triggers, and the display indicate the relative gas concentration. -
Confirm leak source.
Move tip away from the alarm location for a few seconds to clear the sensor. The return trip back to suspected leak, looking for the highest value.
Sensor Installation
- Ensure your DR58 is powered off.
- Remove the 3 screws of the sensor cap.
- Pull the sensor cap away from the back case.
- If replacing, pull out the old sensor.
- Push new sensor (RHD1) into pin holes. Pin orientation does not matter.
- Push the sensor cap back onto the back case and secure it with the 3 screws.
- If replacing, hold and SENSITIVITY 5 sec to reset sensor hours. Hold ZERO to confirm or to cancel.
Maintenance
CLEANING: Clean the exterior with a damp cloth. Do not use detergents or
solvents.
BATTERY CHARGING: Recharge the internal battery as needed using the USB-C
cable. In addition to the AC plug, most generic USB ports supply enough power
to charge. The long-life Li-ion rechargeable battery is permanently
installed. To maximize battery life, minimize time spent at 100% full or 0%
full.
SENSOR REPLACEMENT : Depending on gas exposure, the RHD1 sensor should
be replaced after approximately 300 hours of use.
FILTER REPLACEMENT: The hydrophobic filter is built into the replaceable
tip and should be replaced periodically to maximize sensor life and
performance. Five filtered tips (RFT6) are included. Unscrew the tip to
remove.
Functionality Test
Use a refrigerant tank and a cap to check if your DR58 is detecting
refrigerant properly.
- Tightly cap a refrigerant tank port to seal it.
- Open the valve to coat the inside of the cap, then close the valve.
- With DR58 set to high sensitivity (H), remove the cap and wave the tip over the cap. You should see a very large leak size of approximately “99” and a full bar graph. If not, the filtered tip or sensor may need to be replaced.
Operation
Power
Press >1 second to toggle power.
Backlight
Press to toggle the blue backlight.
Zero Modes (AZERO/MZERO)
DR58 starts up in automatic zero modes (AZERO) which sets a new zero point
every two seconds, indicated by AZERO blinking twice. Moving closer to the
leak source will show the relative increase in concentration, triggering the
alarm. Conversely, stopping at or moving away from the leak source will not
trigger a response.
Press MANUAL/AUTO >1 second to toggle manual zero modes (MZERO). DR58
does not zero automatically while MZERO is displayed and will continue to
alarm and display the relative leak size.
Zero Set
Press ZERO to manually set the currently measured concentration to 0,
indicated by AZERO/MZERO blinking twice.
Numerical Leak Size Indicator with Bar Graph
The number is the relative concentration of refrigerant gas (0-99 units). The
bar graph shows the same measurement in steps of 10 units for easy monitoring.
The higher the number, the higher the concentration of the gas being measured
and the closer you are to the exact leak location.
Maximum Mode
Press MAX ON/OFF >1 second to toggle max mode. When the max mode is on,
the highest leak size detected is continually recorded.
The recorded max is cleared when the sensitivity is changed or if manually
zeroed.
Sensitivity (H/M/L)
DR58 starts up in high sensitivity (H) which is recommended for most
situations. When leaks are difficult to pinpoint due to excess triggering or
sensor saturation, press SENSITIVITY to cycle to a lower sensitivity
(Medium/Low).
Mute ( )
Press ZERO and SENSITIVITY simultaneously to toggle the speaker.
Red Leak Indicator LED
In most situations, the red LED at the tip is easier to monitor than the
display. Because the blink rate increases as the relative concentration
increases, many leaks can be found without ever viewing the display.
Limited Warranty
This leak detector is warranted against defects in material and workmanship
for one year from the date of purchase from an authorized Fieldpiece dealer.
Fieldpiece will replace or repair the defective unit, at its option, subject
to verification of the defect.
This warranty does not apply to defects resulting from abuse, neglect,
accident, unauthorized repair, alteration, or unreasonable use of the
instrument.
Any implied warranties arising from the sale of a Fieldpiece product,
including but not limited to implied warranties of merchantability and fitness
for a particular purpose, are limited to the above. Fieldpiece shall not be
liable for loss of use of the instrument or other incidental or consequential
damages, expenses, or economic loss, or for any claim of such damage,
expenses, or economic loss.
State laws vary. The above limitations or exclusions may not apply to you.
Obtaining Service
For international customers, warranty for products purchased outside of the
U.S. should be handled through local distributors. Visit our website to find
your local distributor.
© Fieldpiece Instruments, Inc 2021; v01
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