TIME Group Inc.-- Roughness Tester

TR240 Portable Surface Roughness Tester

TR240

TR240 is an advanced portable surface roughness tester distinguished by its high measuring accuracy,wide testing range,stability and reliability.It is suitable for testing various metal or non-metal surface.

Functions Available:

Data documents storage and retrieval
Automatic shut-off
Battery voltage monitoring
Parameter storage setup
Automatic timing
Users can seek help and direction by using the on-line help function
Three filters for choice
Measurement system free switch
Rapid charging

Major Technical Data:

Measuring parameters: Ra,Rq,Rz,R3z,Rt,Ry(ISO),Ry(DIN),Rm,Rp,Rm,S,SK,TP, &etc.
Cut-off (mm/inch): 0.25/0.01, 0.8/0.03, 2.5/0.1
Scanning length(Lt): 5-7 Cut-off
Measuring length(lm): 3-5 Cut-off
Max. travel of driver: 17.5mm/0.7inch
Digital wave filter:

Rc(acct. to GB6062)

M1(acct. to DIN 4777)

M2(acct. to DIN 4776)

Vertical Measuring Range and Vertical Resolution

Sample Length	Gain	Vertical Measuring Range	Vertical Resolution
0.25mm , 0.01 inch	G0	+20/-20µm , +800/-800µinch	0.01µm , 0.4µinch
0.25mm , 0.01 inch	G1	+40/-40µm , +1600/-1600µinch	0.02µm , 0.8µinch
0.8/2.5mm , 0.03/0.1 inch	G0	+20/-60µm , +800/-2400µinch	0.02µm , 0.8µinch
0.8/2.5mm , 0.03/0.1 inch	G1	+40/-120µm , +1600/-4800µinch	0.04µm , 1.6µinch

Display value tolerance:±10%
Needle point angle:90°
Needle point radius:5µm LCD
160×128 point (with background lighting)
Serial port: Standard RS232
Working voltage:7.2V
Working current: <120mA
Background lighting current: <60mA
Power source: 6×1.2V NiCd or NiMh rechargeable batteries
Capacity: NiCd 500mAh, NiMh 1000mAh
Charging current: 250mA(2-3h, full)
Power source adapter:1A/12V,220V
Working environment: temperature: 0-40°C
Relative humidity: <90%