Sound Level Calibrator (ND9A & ND9B)
Standard: ANSI S1.40 CLASS2, IEC942
Measuring: 94dB & 114dB
Frequency: 1000Hz+2.4%
Accuracy: 0.5dB (For ND9A); 0.3dB (For ND9B)
Power supply: 9V 6F22 battery
Dimensions: 145X47X47mm
Test Instruments Manufacturer and Exporter, Importer.
1. Test Instruments such as pH meters, EC/CF Meters, ORP Meters, TDS Meters, Thermometers, Refractometers, Conductivity Meters ect.
2. Industry Tools, such as Calipers, Micrometers, Gages, Arbor Press, Power Feed, Wide Belt Sanders, Counter Meters, Measuring Wheels, Tools Bits, Vacuum Pump ect.
3. Chemicals: Such as Hexamine, Melamine, HMMC, CMC, MC.
4. Pesticide: Such as DDVP, Methyl Bromide
5. Woodworking Machinery: Wide Belt Sander, Sawing Machine, CNC Router, UV Line, Press, etc.
6. Glass Machine: Edge grinding machine, bevelling machine, angle-changing edging machine, sandblasting machine, drilling machine, washing machines, etc.
Audited Supplier 
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