Lab Instruments & Supplies By METRAVI

• Used for both audible sound and machine noise. Used for both A and C Weighting.
• Measures in Both Low ranges of 30 to 100dB and Hi range of 65 to 130dB.
• Range: 30dB ? 130dB. Accuracy: ? 1.5dB. Resolution: 0.1dB. Max Hold facility.
• Frequency Response: 31.5Hz to 8KHz. Has Fast and Slow Response facility.
• Meets IEC651 type 2, ANSI S1.4 type 2 standards.

• Auto Power Off. Data Hold. Auto-ranging. Clamp Jaw Size : 57mm. Display : 3-3/4 Digits 3999 Counts LCD.
• DC Voltage : 0 ? 4/40/400/1000V; Accuracy : ?1.0%. AC Voltage : 0 ? 4/40/400/750V, Accuracy : ?1.5%.
• AC Current : 0 ? 400 / 2000A. Accuracy : ?2.5%.
• Resistance : 0 ? 400/40k/400k/4M/40M?, Accuracy : ?1.0%. Frequency : 0 ? 99.99/999.9/9.999k/99.99k/999.9kHz, Accuracy : ?1.0%. Diode test and Continuity Test.
• Confirms to CAT III 600, IEC 1010-1 and UL 3111-I. Standards Overload Protection of 500V DC/AC. RMS in Resistance, Frequency, Diode and Continuity Test Ranges.

• 4 Digits Backlit LCD Display. Data Hold. MAX/MIN Record Function.
• Fast / Slow Response. A-Weighting.
• Range: 30dB to 130dB. Resolution: 0.1dB. Accuracy: ?1.5dB.
• Low Battery Indication. Auto Power Off. Over-range Indication.
• 1.5 x 3 AAA Battery Operated. Confirms to EN61326-1, Pollution Level 2.

• Metallic Fan Blade. Highly Sensitive and accurate. Easy instructions with Easy-to-use design.
• In-Built temperature sensor in the anemometer fan. Low Power Consumption with low battery indication. Data Hold and Max/Min Hold facility. Selectable ?C / ?F Scales.
• .Range of Wind Speed in m/s: 1.00 to 30.00 m/s with an accuracy of ?3%. Range of Wind Speed in ft/min:196 to 5900 ft/min with an accuracy of ?3%. Range of Wind Speed in km/hr:3.6 to 108.0 km/h with an accuracy of ?3%. Range of Wind Speed in MPH:2.2 to 67.0 MPH with an accuracy of ?3%.
• Range of Wind Speed in Knots:1.9 to 58 Knots with an accuracy of ?3%. Range of Temperature in ?C: -10.0?C to 60.0?C with an accuracy of ?1.5?C. Range of Temperature in ?F: 14.0?F to 140?F with an accuracy of ?3.0?F.
• Auto Power Off and its Disability Function, Confirms to CE.

• Uses the CPU technique, photoelectrical technique, and junction laser technique for one instrument combined PHOTO TACHOMETER (RPM & REV).
• Two test modes: Rotation speed mode (unit: RPM) and count mode (unit: REV)
• Wide measure range and high resolution Display: 5 digital Large Backlit LCD
• Built in memory recall Max. Min. & Last value Stored
• RPM Test Range: 2 to 99,9999; RPM Count Range: 1 to 99,9999; Accuracy: ?0.05% ?1; Digit Resolution:0.1; RPM up to 1000RPM else 1 RPM; Sampling Time: 0.5s (Over 120 RPM); Detecting Distance: 50 to 500mm

• High Resolution Up To 100Ua
• Display: 3-1/2 Digits 1999 Counts. Backlit LCD. Auto Power Off Max Hold Function.
• Clamp Jaw Dia: 30mm. Overload and Low Battery Indication.
• AC Current: 0 ? 200m / 2 / 200A. Accuracy: ?2.5%.
• Confirms to EN61010-1, EN61010-2-032, CAT II 600V.

• 4 Digits LCD, 32 X 65 mm Clamp Jaw, Data Hold, Open Clamp Jaw Indication
• Range 0.010 to 200 Ohms. Maximum Resolution 0.001 Ohms
• Display: 4 digit Backlit LCD; Auto Ranging Storage of Measured Data: 99 Data
• Setting of Resistance Alarm Critical Value: 1 ? 199 Ohms Data Hold, Auto Power Off
• Wider range, larger memory; Optional RS232 interface, available to transfer data to PC and generate report files, easy to analyse or backup data.

• For hardened Material Like Plaster, Concrete And Mortar
• Battery Operated. Low Battery Indication. Impact Proof Plastic Housing.
• Measuring principle : Electrical Resistance. Electrode length : 8mm. Electrodes : Integrated and replaceable.
• Display : Extra Large LCD
• Range : Wood, Paper : 6 - 44%. Hardened Material : 0.2 to 2.0%. Accuracy : Wood : ? 1%. Hardened Material : ?0.05%.

• Multifunction Power Meter. Works on 6A / 230V AC.
• Displays Voltage, Current, Power, Power Factor, Frequency, KWh, CO2, Cost of running the equipment.
• Calculates total time consumed. Calculates cost of electricity consumed. Retains the readings while load shedding.
• Voltage: 100V AC ~ 260V. AC Current: upto 6A Power: 0 ? 1560W. KWh: 0 ? 9999KWh,
• Frequency: 45 ? 65 Hz. Total Time: 0 ? 9999$. Calculates CO2 emission.

• Data Hold. Auto Power Off. High Precision AC/DC Low Current Measurement.
• Low battery and Overload Indication. Provides Analogue Output for Recording function.
• DC Voltage: 0 ? 400m / 4 / 40 / 400 / 600V; Accuracy: ?1.0%. AC Voltage: 0 - 400m / 4 / 40 / 400 / 600V; Accuracy: ?1.0%. DC Current: 0 ? 4 / 80A; Accuracy: ?2.8%. AC Current: 0 ? 4 / 80A; Accuracy: ?3.0%.
• Resistance: 0 ? 400 / 4k / 40k / 400k / 4M / 40M.Ohms; Accuracy: ?1.0%. Capacitance: 0 ? 40n / 400n / 4u / 40u / 100uF; Accuracy: ?3.0%. Frequency: 0 ? 5 / 50 / 500 / 5k / 50k / 500k / 5M / 10MHz; Accuracy: ?1.2%. Duty Cycle: 0.5 to 99.0%; Accuracy: ?1.2%.
• Confirms to CE, CAT-III 600V

• Pinless Moisture meter is an electronic dampness indicator with a measuring process working on the principle of high frequency measurement.
• Used for non-destructive tracing dampess in building materials of all kinds as well as for detecting damp distribution in walls, ceiling and floors.
• Suitable for pre-testing the readiness of building materials for covering prior to CM Measurment Quickly indicates the moisture content of materials.
• Depth of penetration about 20 ? 40mm. Low battery Indication. Auto Power Off. Max / Min Record Function.
• Data Hold. White Backlit LCD Display. Measuring Range: 0 to 100%.

• Measures both audible sound and machine noise. Has both A and C Weighting. USB PC interface with software.
• Analogue output of AC 1V rms and DC 10mV / dB for Connection to frequency analyzer or X ? Y shaft recorder. Max / Min Data recording. Data Hold to freeze the displayed data.
• Display: 4 Digits Large LCD with analogue bargraph. Range: 30 ? 130dB. Resolution: 0.1dB. Dynamic Range: 50dB. Accuracy: ?1.4dB.
• Has Lo, Med. And Hi measuring modes. Time Weighting: FAST and Slow. Frequency Range: 31.5Hz to 8KHz.
• Confirms to IEC61672-1 Class2 for sound level meters with offline data recording.

• Used To Measure Acidity Content Of Transformer Oil
• Portable Equipment With Test Tubes To Conduct The Tests
• A Set Of Chemical Reactions Need To Be Conducted To Evaluate Acidity Of Transformer Oil
• Test Set consists of Ethyl Alcohol, Sodium Carbonate Solution, Universal Indicator, Test Tubes, Graduated Dropper
• Color chart calibrated with neutralization number values and instruction manual is also provided.

• Last Value, Max Value and Min Value memory. Exclusive One-chip microcomputer. LSI Circuit Quartz Crystal Time Base.
• Display 5 Digits LCD. Range 60 to 49,999. RPM Surface Speed 6 to 5000 m/min Resolution.
• 0.1RPM up to 1000 RPM thereafter 1 RPM. 0.01m/min up to 100m/min thereafter 0.1m/min. Accuracy ?0.05%..
• Complete with carrying case, RPM Cone Adaptor, RPM Funnel Adaptor, Surface speed test wheel and operation manual.

• Easy to Use, High Precision, Easy to read, Large Backlit Display, Over-range Indication
• Peak / Max / Min / and Data Hold Facility, Relative Measurement Facility, Automatic Zeroing, Auto Power Off
• Low Battery Indication; Displays Both in Lux and Foot-candle
• Display: 3 ? digits LCD with high speed 42 segment bar graph; Range 1: 0 ? 40/400/4000/40,000/300,000 Lux Range 2: 0 ? 400/4000/30,000 FC
• Accuracy: ? 5%; One Silicon photo diode and spectral response filter

• Auto Power off; Auto/Manual Ranging; Data Hold; Peak Hold
• Clamp Jaw Dia: 2" (52mm) approx; 3-3/4 digits (4000 counts) Backlit LCD
• DC Voltage: 400mV/4V/40V/400V/1000V Accuracy: ? (1% + 3 digits); AC Voltage: 4V/40V/400V/1000V Accuracy: ? (1.2% + 5 digits)
• DC Current: 400A/2000A Accuracy: ? (3.0% + 1A); AC Current: 400A/2000A Accuracy: ? (3.0% + 2A)
• Resistance, Frequency, Capacitance, Temperature, Duty Cycle, Diode & Continuity. CAT III 1000V, CAT IV 600V