True Sense Technologies

Description This device is able to measure the temperature. MECO is concerned and committed to the wise and efficient use of the world''s resources especially Power and Electricity. Customer focus, product innovation, environmental concern and technological excellence are the prime concerns of every member at MECO. We are an ISO company offering time tested, reliable and affordable instruments for more than four decades. Team of 100 skilled and trained personal are equipped with complete in-house facility for design, development and manufacturing of Electrical and Electronics Testing and Measuring Instruments and Transducers.

• 10mm (0.4") LCD Display
• Auto Manual Shutdown
• Low Battery indicator
• DC Output : 0 ~ 1.3V 10mV/db
• 'A', 'C' or 'Flat' Weighing with Slow / Fast response
• 94db in full Callibration at (1KHz)
• Optional RS-232 Communication
  (Advances Software Program for all Windows)
  Alarm Volume o/p : 30 ~ 130db
• Alarm o/p : LED Optional Relay Output
• Backlight

• MAX & MIN measurement 
• Over range display 
• Under range display 
• A & C Weighting 
• FAST & SLOW response 
• Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder 
• Datalogger function 
• Adjustable Alarm Levels 
• Backlight 
• USB Computer Interface (Advanced Software Program for all windows)

• This Noise Volume Measuring Instrument is small and portable, which is widely applicable for measurement of noise engineering, quality control, and various environmental noise, including noise measurement in such various places as factories, offices, transporting routes, families, stereo equipment, and other places.
• Measuring range: 30dBA~130dBA
• Accuracy: ±1.5 dB

• Level Range LoA=35-100dB.
• Accuracy +3dB (ref 94dB @1kHz).
• Frequency Range 31.5Hz to 8k Hz.
• Frequency Weighting A.
• Battery Type 9V battery.
• Operation Temp 0C -40C (<80% R.H.)
• Storage Temp -10 C ~60C (<70% R.H.)
• Max and Min Hold Function.

1. Model: HT-90A
2. Material: Plasti
3. Color: orange & black
4. Size: 197*58*30mm
5. Frequency range: 31.5Hz~8KHz
6. Response speed: 0.5 seconds
7. Microphone: 1/2 inches polarization capacitance
8. Microphone LCD: 3 digits and a half
9. Resolution ratio: 0.1dB
10. Sound level: A-Sound level weight Range: 30~130dB 
11. Precision: 1.5dB ( under the reference condition of 94dB and 114dB, 1KHz)
12. Automatic power off: About 16 minutes
13. Energy provision: A 9V battery
14. Energy life: about 50 hours (alkaline battery)
15. Operation temperature: 0~50
16. Operation humidity: 10%~80%RH
17. Storage temperature: -10~60
18. Storage humidity: 10%~75%RH
19. Power supply: 6F22 type, 9V battery (Not Included)

• noise meter with LCD display, accurate reading and quick response.
• Can be used for sound quality control in various environments such as factories, schools, and buildings.
• High sensitivity sensor, accurate measurement, fast and sensitive, convenient measurement.
• The noise measurement range is 35dB-135dB, and the accuracy is ?2.0dB.
• Digital noise meter, small size, easy to carry, stable performance and long service life.