Ÿ           Display：128×64 dot matrix LCD with EL backlight.

Ÿ           Measuring Range：0.75～300mm (in Steel).

Ÿ           Sound Velocity Range: 1000~9999 m/s.

Ÿ           Resolution：0.1/0.01mm（selectable）.

Ÿ           Accuracy： ±（0.5%Thickness+0.04）mm

Ÿ           Units: Metric/English unit selectable.

Ÿ           Four measurements readings per second for single point measurement, and ten per second for Scan Mode.

Ÿ           Memory for 20 files (up to 99 values for each file) of stored values.

Ÿ           Upper and lower limit can be pre-set. It will alarm automatically when the result value exceeding the limit.

Ÿ           Power Supply：Two “AA” size, 1.5 volt alkaline batteries. 100 hours typical operating time (EL backlight off).

Ÿ           Communication：RS232 serial port.

Ÿ           Case：Extruded aluminum body suitable for use under poor working conditions.

Ÿ           Outline dimensions：132H X 76.2W mm.

Ÿ           Weight：345g

 

Appendix A: Transducer selection

Model	Freq MHZ	Diam mm	Measuring Range	Lower limit	Description
N02	2	22	3.0mm～300.0mm（In Steel） 40mm (in Gray Cast Iron HT200)	20	for thick, highly attenuating, or highly scattering materials
N05	5	10	1.2mm～230.0mm（In Steel）	Φ20mm×3.0mm	Normal Measurement
N05 /90°	5	10	1.2mm～230.0mm（In Steel）	Φ20mm×3.0mm	Normal Measurement
N07	7	6	0.75mm～80.0mm （In Steel）	Φ15mm×2.0mm	For thin pipe wall or small curvature pipe wall measurement
HT5	5	14	3～200mm （In Steel）	30	For high temperature (lower than 300℃) measurement.

 

 

Appendix B: Sound Velocity in different materials

Material	Sound Velocity
	In/us	m/s
Aluminum	0.250	6340-6400
Steel, common	0.233	5920
Steel, stainless	0.226	5740
Brass	0.173	4399
Copper	0.186	4720
Iron	0.233	5930
Cast Iron	0.173-0.229	4400－5820
Lead	0.094	2400
Nylon	0.105	2680
Silver	0.142	3607
Gold	0.128	3251
Zinc	0.164	4170
Titanium	0.236	5990
Tin	0.117	2960
	0.109	2760
Epoxy resin	0.100	2540
Ice	0.157	3988
Nickel	0.222	5639
Plexiglass	0.106	2692
Polystyrene	0.092	2337
Porcelain	0.230	5842
PVC	0.094	2388
Quartz glass	0.222	5639
Rubber, vulcanized	0.091	2311
Teflon	0.056	1422
Water	0.058	1473