SKU: 76506941404

MASTERCOOL 55900 Blue Refrigerant Leak Detector

Sale price$165.36 Regular price$183.73
Save 10%

Pay in installments of $45.93 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 25 - Sep 30

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MASTERCOOL 55900 Blue Refrigerant Leak DetectorAt the heart of this leak detector is a new low power metal oxide gas sensor with superior performance properties such as lower current consumption and sensor longevity. The new sensor is characterized by high sensitivity and fast response upon detecting the presence of extremely small levels of chlorofluorocarbon gases. For this reason, this sensor was selected and integrated into the 55900 Leak Detector. In addition, a powerful microprocessor was

At the heart of this leak detector is a new low power metal oxide gas sensor with superior performance properties such as lower current consumption and sensor longevity. The new sensor is characterized by high sensitivity and fast response upon detecting the presence of extremely small levels of chlorofluorocarbon gases. For this reason, this sensor was selected and integrated into the 55900 Leak Detector.
In addition, a powerful microprocessor was integrated into the design that automatically selects the best operating condition for the sensor to ensure optimum performance throughout the life of the sensor.
Super Sensitive Function allows the unit further sensitizing beyond the standard settings for locating small leaks with gases such as R1234yf and R407C

SENSITIVITY:
HIGH: 0.15 oz/yr (4 g/yr)
MEDIUM: 0.25 oz/yr (7 g/yr)
LOW: 0.50 oz/yr (14 g/yr)

PROBE:
Intelligent tip design that senses the condition of the environment, to eliminate the potential of false alarms.
Flexible 15.5" probe for difficult to reach locations

DISPLAY:
Six vertical LED's (red, yellow or green) display the following information to the user such as:
Relative signal level of the detected leak
Selected sensitivity range (low/medium or high) of the unit
Diagnostic information: low battery, interference/wait, contaminated atmosphere, readiness of the unit or fault conditions of the unit

REFRIGERANTS: Detects all refrigerants (CFC's, HCFC's, & HFC's and blends)
SENSOR LIFE: 2000 hours

SENSING ELEMENT: Heated tin oxide

OPERATING TEMPERATURE RANGE: 0 to 140°F

RESPONSE TIME: Less than 1 second
POWER: 2 C Alkaline 6000 mAh batteries

BATTERY LIFE: 30 hours

WEIGHT: 1.08 lbs

KEYPAD FUNCTIONS:
ON/OFF: Press the ON/OFF button to turn the unit on or off

VOLUME/MUTE: Press the VOLUME/MUTE button to control the volume of the unit

H M L SENSITIVITY: Press the H M L SENSITIVITY button to select the desired sensitivity level

PEAK/HR/LR: The PEAK/HR/LR key serves a dual purpose:
(1) To assist the user in locating the largest leak in a system with multiple leaks present.
(2) To enable the user to switch between HR (high range) and LR (low range) modes.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76506941404

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 22 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
E
Verified Purchase
Elizabeth Adams
Belleville, US
★★★★★ 2
Rapid mold growth
The parts where soap wasn’t touching 24/7 mildewed very quickly. and this doesn’t sit in water, it hangs on a hook beyond where the shower stream reaches. I didn’t even get halfway through a bar of soap before I realized it wasn’t that my soap turned the bag white, it was that the top half turned green with mold. The smell test was brutal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 19, 2022
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Multi Purpose/Good Lather
Rich Lather. Durable. I also use and compared this to Dr. Sqauch's travel bags to keep your soap from getting destroyed. it does the same thing for 1/4 of the price. I would buy again when the time comes if the price is roughly the same.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2020
V
Verified Purchase
Valerie
Grantham, US
★★★★★ 4
Saves a Ton of Soap
Really great product if you wanna save soap bars and not have to buy new ones every couple of weeks. Not as scratchy as I thought it would be and it can be a bit awkward to use. Still a good product though.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 14, 2020
K
Verified Purchase
Karol D.
Massapequa, US
★★★★★ 5
It’s practical, user-friendly, and tailored for law enforcement needs.
Format: Paperback
This book has been an absolute gem as I prepare to apply for a law enforcement job where Spanish is a required skill. It’s well-organized, easy to follow, and covers practical vocabulary and phrases that are directly relevant to real-world scenarios. Not only is it incredibly useful, but it’s also engaging and fun to use, making learning feel less like a chore. The structure allows me to focus on the most important phrases for law enforcement situations, and it’s already helping me feel more confident about communicating effectively in Spanish.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2025
L
Verified Purchase
Licinia Ferreira
Cuba, US
★★★★★ 5
Easy to learn
Format: Paperback
Easy format and provides a lot of useful word/phrases
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2025

recommand products