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SPECIFICATIONS
Refrigerants Detected
Detection Modalities
Sensitivities
Electronic Sensor Type
Sensor Life
Warmup Time
Response Time
Display Type, Size
Dimensions of Instrument
Weight of Instrument
Dimensions of Carrying Case 15 x 11 x 4 in. (382 x 279 x 102mm)
Weight of Instrument,
Batteries and Carrying Case
Complies with
Limited Warranty Term
Power Source
Battery Life
MAINTENANCE INSTRUCTIONS
CHANGING BATTERIES
When the red front-panel LED labeled Low Battery lights up, it's time to replace the
instrument's four "AA" batteries. To do so, follow the procedure in the Setup Instructions
section of this manual.
CHANGING THE FILTER
The RLD440 ships with a pack of five small disc filters that install upstream of the
sensor. Replace the filter whenever it becomes visibly dirty, or every few months,
depending on use.
To change the filter, unscrew the black plastic tip of the probe from the black plastic
sensor enclosure (see figure on p. 7). Remove the old filter, install the new one, and then
screw the plastic tip back into the enclosure.
1
R-134a, R-410a, R-404a, R-407c, R-507, CFC-12
(R-12 or Freon), R-22, R-1234yf
UV light, sound, light, leak size measure
0.05 oz./yr (1.4 g/yr) for R-134a; 0.025 oz./yr (0.7g/yr)
for R-22
Proprietary solid electrolyte semiconductor
>300 hours (ten years' normal use)
17–20 seconds
Instantaneous
7-segment red LED, 0.6 in. (15mm) high
6.8 x 2.6 x 2.2 in. (173 x 66 x 56mm) w/17 in. (432mm) probe
1.5 lb. (680g)
2 lbs, 5.5 oz. (1.06kg)
SAE Standards J1627, J2791 and J2913,
European Standard EN14624:2012, and ASHRAE 173-2012
2 years (including sensor)
4 "AA" batteries (included)
5 hours continuous operation (typical)
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