China 4 in 1 O2 LEL CO H2S Gas Analyzer Manufacturers Factory Suppliers

Detect 4 kinds of gas: carbon monoxide(CO), hydrogen sulfide(H₂S), oxygen(O₂) and combustible gas(LEL).

GVDA GD601 Wire Tracker Network Cable Tester LAN Telephone Wire Tracker Diagnose Tone Tracer RJ45 RJ11 Multifunctional Cable Detector Line Finder

GVDA GD139 Natural Gas Leak Detector with 12-inch Extendable Probe,%LEL Propane Leak Detector with Built-in Flashlight for Methane, Butane, Combustible Gas for Home, RV,  This GD139 meter is a

GVDA Multimeter is an Professional Multimeter which can measure AC and DC voltage, AC and DC current, resistance, capacitance, continuity, diode, NCV,etc.; It is the best choice for professional

1.Output voltage: DC 0- 30V2.Output Current: DC 0- 10A3.Input voltage: 220V EU or 110V US4.Black color and White color for choice 5. we have 30V 5A 30V 10A 60V 5A for choice

GVDA Digital Multimeter is an Professional Multimeter which can measure AC and DC voltage, AC and DC current, resistance, capacitance, continuity, diode, NCV,etc.; It is the best choice for

GVDA Multimeter is an intelligent true effective value multimeter, intelligent identification and manual function are integrated, which can measure AC and DC voltage, AC and DC current, resistance,

1.DC Voltage:600.0mV;6V/60V/600V;. Accuracy:±(0.5%+3). 2.AC Voltage : 600.0mV;6V/60V/600V. Accuracy:±(0.8%+3)

1.Display Counts: 6000 Counts. 2.Range: Manual. 3.AC DC/ Voltage: 600V. 4.AC Current: 6A/60A/600A. 5.Resistance: 6K Ω/ 60K Ω.

1.Sound Level Measuring Range: 30～130dBA. 2.Resolution: 0.1dB. 3.Accuracy: ±1.5dB (under reference conditions). 4.Frequency Range: 31.5Hz to 8.5Hz. 5.Frequency Weighting: A Weighting. 6.Data hold:

1. Back Light On/Off. 2. Sound on/off. 3. Green laser, clearer and faster (T4S red laser)

Model：SW-DS50/SW-DS70/SW-DS100/SW-DS120. Working Range：50m/70m/100m/120m. Distance measurement precision：±2mm

1.Maximum detection depth:Ferrous metals: 120mm. 2.Non-ferrous metals(Copper):80mm. 3.Copper conductors(Live): 50mm. 4.Wood: exact model : 20mm/deep mode 38mm. 5.Moisture maximum detection depth:

Test the pH level and temperature of solution/water with data hold function.. Pocket size, lightweight and portable with switchable backlight & large LCD display for clear reading.

This industrial grade salinometer can be used for measuring the salt value and temperature of solvent, which measuring rang is 0.00ppt-9.99ppt 10.0ppt-50ppt.

1. Portable detector for detecting all combustible gas.. 2. Long flexible stainless probe reaches all areas.. 3. Audible semiconductor probe and auto fast warm-up.. 4. Instant response, pinpoint leak

A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a control system so

Distance to spot size: 12:1. Spectral response: 8-14 um & 500mSec. Repeatability: 1%of reading or 0.1°C. Celsius/Fahrenheit unit switch: Yes

Tachometer The Tachometer is one of necessary instruments in mechanical field, and used to measure electrical machinery's rotational speed, the link speed or the frequency.

This practical lux meter is stable, safe and reliable to measure light illuminance, it also can show you the ambient temperature. It is widely used in science and industry.