Main features
1. Precise PM2.5 concentration based on pre-calibrated sensors
2. Temperature measurement (℃/℉)
3. Humidity measurement
4. Emoticon display
5. LCD backlight and red backlight alarm
6. battery status, low power, auto power off
4 in stock
Main features
1. Precise PM2.5 concentration based on pre-calibrated sensors
2. Temperature measurement (℃/℉)
3. Humidity measurement
4. Emoticon display
5. LCD backlight and red backlight alarm
6. battery status, low power, auto power off
₨17,400 ₨21,471
4 in stock
CompareMain features
1. Precise PM2.5 concentration based on pre-calibrated sensors
2. Temperature measurement (℃/℉)
3. Humidity measurement
4. Emoticon display
5. LCD backlight and red backlight alarm
6. battery status, low power, auto power off
Weight | 0.2 kg |
---|---|
Dimensions | 7 × 5 × 13 cm |
Specifications | Range | Accuracy |
A25D | ||
PM2.5 (ug/m3) | 0~100 | ±(10ug/m3+10dgts) |
101~400 | ±(10%+30dgts) | |
401~500 | ±(10%+50dgts) | |
Temperature℃ | -10~50℃ | ±1℃ |
Temperature℉ | 14~122℉ | ±1.8℉ |
Humidity | 5%~99%RH | ±5%RH@30%~80%RH ±8%RH@<30%RH, >80%RH |
Features | ||
Auto power off | √ | |
Low battery indication | √ | |
Red backlight alarm | √ | |
LCD backlight | √ | |
Concentration emoticon | √ | |
General Characteristics | ||
Power | 1500mAh rechargable polymer battery | |
LCD size | 3 inches | |
Product color | White and grey | |
Product net weight | 250g | |
Product size | 30mm×20mm×50mm | |
Standard accessories | 1.5m mini USB interface cable |
• Designed to meet international safety standard IEC 61010-1 CAT IV 600V.
• CAT IV Clamp Meters can measure the Voltage and Current in both every low and high power circuits.
• Very useful for power distribution companies, power utilities and maintenance fields.
• True RMS enables an accurate measurement.
UT139 Series digital multimeters are newly designed to offer users better performance and higher safety rating. Totally over-load protection and unique structural design make it new type of multimeter with high performance/ price ratio and a best choice for electricians used in electrical maintenance and repairing.
1、True RMS for the whole series;
2、Measure signals with varied frequency (VFC);
3、Measure large capacitance up to 100mF;
4、Optional AC/DC 60A current clamps in different models to measure current up to 60A(1mv=1A);
5、NCV designed for the whole series, a necessity for electricians;
6、AA1.5V*2(5#) battery, easy for users to purchase and replace;
7、Soft rubber holster is easy to stand 2m drop;
8、Optional magnetic hanging strap offered to facilitate tests in special location;
9、Fast to replace fuse, just by opening battery cover;
10、Reliable with use of internal 2PCS fuses with high-breaking capacity;
11、Protection against 600V input/1 minute from misconnection;
12、Safety Rating: CAT III 600V.
Applications
An ideal tool for equipment testing, maintenance and repair widely needed in electronics, electric power, schools, metallurgy, communications, manufacturing, petroleum, national defense, chemical industry, etc.
Main Features
1. Tests Ethernet cables and telephone lines
2. Equipped with RJ45 interface for Ethernet cable and RJ11 interface for telephone line testing
3. Ethernet cables: Shielded/Unshielded test
4. Visible LED indication
5. Automatically check circuit breakage, short circuit and cross circuit
6. Can toggle between fast and slow speed test modes
7. Single key operation
8. Manual/auto power off (after 10-minute inactivity)
9. Low battery indication
10. Power supplied by 9V layer-built battery
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