Eclipse Eclipse MT-4611 Manual
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t Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
Operation
MT-4611 Combustible Gas Detector
User’s Manual
Introduction
Thanks for purchasing Pro’sK MT-4611 Combustible Gas Detector. It
detects the presence of combustible gas and nuisance vapors, such as
Natural Gas, Methane, Ethane, Propane, Butane, Acetone,
Alcohol, Ammonia, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke,
Industrial Solvents, Lacquer Thinner and Naphtha in concentrations as
low as 10% LEL for Methane and alerts the user with audible and
visual alarms. The 35cm flexible probe will provide easy access in hard
to reach areas. With proper use, this detector will provide years of
reliable service.
Features：
• Quickly-response sensor for accurate detection
• Detection at 10% ~ 40% lower explosion limited
• The 35cm flexible probe, allows location and detection of leak in
hard-to-reach and confined spaces
• Visible & audible alarm
• Adjustable sensitivity setting helps precisely locating leaks
• Comes with earphone jack
:
Warm-up before use
1. In a gas free atmosphere, push the ON/OFF button to power on
the detector.
2. Hold the MT
(typical) warm-up, self-zero cycle.
3. Some intermittent alarm tones may be experienced for a short time
as the detector warms up, the alarm will stop sounding when the
MT-4611 is ready for use, if the detector is in an area where
combustible gas is present, the alarm may not stop.
Note:
Warm-up time is depending on when the last time the meter was used.
The MT-4611 will automatically zero itself on activation. If the sensor
was overexposed, the MT-4611 will enter into an automatic cycle to
reset. In this instance, the unit will alarm at peak level and decrease to
zero.
Earphone Ja
When works in a noise area, an earphone can be plugged into the MT-
4611. In addition, the speaker is disabled when an earphone is
connected so the ticking and alarm will not disturb others in the
general area.
-4611 in the clean ambient air during at least 2 minute
ck
A definition of % LEL:
The LEL of a flammable gas is the minimum concentration of that gas,
at normal ambient conditions, at which it will burn if there is a source of
ignition present. At a concentration below the
LEL, the gas will not burn. Gas detectors for flammable gases are
calibrated in the range 0-100% LEL.
Important note：
• Always turn the meter on in an atmosphere free of combustible gas.
• Please read this manual carefully before using the detector.
• Do not replace the batteries in an explosive atmosphere.
• Frequently check meter operation using an unlit gas burner or lighter
• Please turn off when not in use to avoid running out of power
Specificatio
• Resolution: 50 ppm
• Alarm range：10%—40% LEL (Lower Explosion Limited)
• Response time：< 2S (40% LEL)
• Working temperature：0~50℃
• Operating humidity：10~90%( no freeze)
• Power Source：4 x 1.5V/AA Battery
• Dimension: 200×72×45 mm
ns:
7
Leak Detection
After warm up, MT-4611 is ready to detect.
1.
2. Trace the sensor around the source of the suspected leak. When
leaking gas is detected the alarm will sound.
3. If the level of gas is approximately at 10% LEL of Methane, the
Alarm Red LED will light up and the tone will sound.
4. In areas of high gas concentration, the sensitivity rate can be
readjusted to pinpoint the location of the leak.
5. Turn the sensitivity knob clockwise to reset to a lowest rate.
6. Push on/off button to power off the unit.
Maintenance
Caution! Storing in a damp environment will damage the sensor!
Battery Replacemen
If the green LED flashes or does not illuminate, the batteries need to
be replaced. The battery compartment is located at the rear of the MT-
4611. Please unscrew and open the cover of battery compartment,
then replace the four AA (1.5V) batteries. Ensure that the compartment
cover is securely screw fastened when finished.
t
Cleaning and Storage
Wipe the detector only with a damp cloth as needed. Do not apply
abrasive, solvents, or other cleaners to the surfac
sensor. Store with the batteries removed and avoid extreme
temperature and humidity.
e of the detector or
ription
Desc
1. Sensor tip for detecting combustible gas
2. The 35cm fixable gooseneck tube
3. Power indicator
4. Alarm and low battery indicator
5. Sensitivity adjustment knob
6. On/Off switch
7. Earphone jack
Note: Battery co
mpartment is on rear of unit
PROKIT’S INDUSTRIES CO., LTD.
©2015 Prokit’s Industries Co., Ltd. All rights reserved 2015001
MT-4611 可燃氣體探測儀
使用說明書
探測氣體種類:
天然氣，
甲烷（沼氣）
精，氨氣，氫氣，汽油蒸汽，硫化物，有機溶劑蒸汽，煙
霧，油漆稀釋劑，石腦油，易揮發工業溶劑。
功能描述：
快速識別
和確定可燃氣
可調節靈敏度
高靈敏度
聲光告警
支持耳機
插孔
重要提示：
請在純淨空氣中預熱後
當綠燈閃爍時，請及時更換電池。
不用時請及時關機，以
主要規格:
解析度：50 ppm（甲烷）
告警範圍：10%—40% LEL
回應時間：< 2
工作溫度：0~50℃
工作濕度：10~90%(不結露)
外形尺寸：200×72×45 mm
供電方式：1.5V/AA 電
，乙烷，丙烷，丁烷，丙酮，酒
體洩漏位置
再使用。
免耗盡電量。
（爆炸下限）
S (40% LEL)
池 x 4 個
使用方法：
紅燈：探測警告指示燈
和電源低壓警告指示燈
綠燈：電源指示
1. 在純淨空氣中，按下電
源鍵開機，綠燈亮。
2. 順時針旋轉旋鈕調至最低靈敏度處，等待至少 2 分
鐘預熱。
備註：如果預熱過程中紅燈會不間斷閃亮，伴隨警
告聲，這是由於感測器沒有穩定下來造成的，不用
理會。
3. 預熱後，逆時針旋轉旋
鈕調至臨界報警點，此時探
測靈敏度最高。紅燈不亮，不警告，允許紅燈偶爾
亮，不影響儀錶性能。
4. 單手握緊儀錶，此時不
能再調節旋鈕，使感測器慢
慢靠近被測氣體。當探測到一定濃度可燃氣體時，
紅燈閃爍，並伴隨警告聲，濃度越大，警告越強
烈。
5. 探測完成
後，把旋鈕順
時針調至最低靈敏度處，按
下電源鍵關機。
7
1. 感測器，用於探測可燃氣體
2. 萬向連接杆
3. 電源
4. 告警指示燈及電池低壓
指示燈
5. 旋鈕，用於調節靈敏度
6. 電源開關
7. 耳機插座
PROKIT’S INDUSTRIES CO., LTD.
©2015 Prokit’s Industries Co., Ltd. All rights reserved 2015001
1
t Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
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