Fieldpiece Fieldpiece DR58 Manual
Heated Diode
Refrigerant
Leak
Detector
OPERATOR'S
MANUAL
Model DR58
Description
Compact and rugged, the DR58 Heated Diode
Refrigerant Leak Detector helps you nd leaks
fast in the eld. 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 ashes 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 rechargable battery provides
over 18 hours of continuous operation and is
convenient to charge via USB-C. Replaceable
tips lter out water and dust while getting into
tight spots. All wrapped up in a ruggedized IP54
housing, it's built for the eld.
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 Warranty
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 o
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.eldpiece.com/patents
Certifications and
Compliance
EN 14624 Regulatory Compliance Mark
Restriction of Hazardous
Substances Compliant
Waste Electrical and
Electronic Equipment
5 Commonwealth Ave
Woburn, MA 01801
Phone 781-665-1400
Toll Free 1-800-517-8431
01
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, isobutane.
Do not block exhaust port or device or will not function properly.
02
Quick Start
1. Install sensor (see next panel for details).
2. Move to a refrigerant-free environment and
hold until your DR58 powers on.
3. Allow warm-up (calibration) to complete.
Total used sensor hours is also displayed.
4. Begin searching for the leak source.
Move the tip slowly (~3 inches/sec) and as closely
as possible to the suspected refrigerant line.
5. Search until refrigerant gas is detected.
Red light flashes, audible alarm triggers, and the
display indicates the relative gas concentration.
6. Conrm leak source.
Move tip away from alarm location for a few
seconds to clear the sensor. Return tip back to
suspected leak, looking for the highest value.
03
Sensor Installation
1. Ensure your DR58 is powered o.
2. Remove the 3 screws of the sensor cap.
3. Pull the sensor cap away from the back case.
4. If replacing, pull out the old sensor.
5. Push new sensor (RHD1) into pin holes. Pin
orientation does not matter.
6. Push sensor cap back onto back case and
secure with the 3 screws.
7. If replacing, hold and SENSITIVITY 5 sec to
reset sensor hours. Hold ZERO to conrm or
to cancel.
04
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 rechargable 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
lter is built into the replaceable tip and should
be replaced periodically to maximize sensor life
and performance. Five ltered tips (RFT6) are
included. Unscrew the tip to remove.
Visit us at www.TestEquipmentDepot.com
05
Functionality Test
Use a refrigerant tank and a cap to check if
your DR58 is detecting refrigerant properly.
1. Tightly cap a refrigerant
tank port to seal it.
2. Open valve to
coat the inside
of the cap, then
close the valve.
3. 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
ltered tip or sensor may need to be replaced.
06
07
Heated Diode Sensor (RHD1)
08
09
Filtered Tip (RFT6)
10
Operation
+
INRUSH
SM480V
1234
0000001234
SM380V
1234
0000001234
Power
Press >1 second to toggle power.
Backlight
Press to toggle the blue backlight.
Zero Modes (AZERO/MZERO)
DR58 starts up in automatic zero mode
(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 mode (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.
11
12
EXHAUST PORT
(DO NOT BLOCK)
STATUS BAR
- Sensitivity
- Mute
- Battery
MESSAGE LINE
CHARGING PORT
SPEAKER
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 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 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 dicult 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.
13
)
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.
LEAK SOURCE
14
Limited Warranty
This leak detector is warranted against defects in material and
workmanship for one year from date of purchase from an authorized
Fieldpiece dealer. Fieldpiece will replace or repair the defective unit,
at its option, subject to verication 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
tness 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 nd your local distributor.
5 Commonwealth Ave
Woburn, MA 01801
Phone 781-665-1400
Toll
Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
© Fieldpiece Instruments, Inc 2021; v01
15
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