COMBI hardness tester TQ-4Combi
COMBI hardness tester TQ-4Combi – portable precision device with brand-new soſt ware.
Device is intended for non-destructive testing of production quality in metallurgy, mechanical engineering, aircraft, shipbuilding, atomic industry, oil and gas industry.
Applying TQ-4Combi you receive all advantages of UCI and Leeb methods of metals and alloys hardness control.
TQ-4Combi controls hardness of following:
- Carbon and structural steels as well as other fine-grained materials
- Hard-surfaced items (cementation, nitride hardening, high frequency current hardening)
- Heat-resistant, corrosion-resistant, stainless steels
- Non-ferrous metals and alloys (cast iron, aluminium, bronze, brass)
- Electroplated coating (chrome, copper, nickel, zinc, tin), overlaying
- Items of complex configuration (gear teeth, shafts, pipes of any diameter, grooves, blind holes)
- Thin-walled and small-sized items
- Large items and heavy-duty equipment (gas pipelines, rails, construction elements)
Exploitation advantages
– Wide range of metals and alloys.
– Stable measurements with no impact from force and time of pressing the probe to surface.
– Low sensitivity to curvature and roughness of surface.
– Hardness measurement in hard-to-reach areas (position of probe has no impact on the results of measurement).
– Wide range of accessories.
Features of TQ-4Combi
- Impact-, dust- and water-proof housing.
- Bright color display allows to make measurements at below zero temperature.
- Signalization about exceeding of prescribed measurement threshold.
- Unique statistical data processing system.
- Fast calibration of device scales with one or two standard test blocks.
- Flexible device memory for readings recording and analysis.
- Programming of additional calibrations for scales of hardness tester with one or two standard test blocks.
- Fast programming of additional scales with two to ten standard test blocks.
Probes characteristics
| Photo | Probe Type/Load | Weight/thickness/ surface roughness of the article under check |
Length/ |
Application |
| UCI method | ||||
 |
«А» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 145/26 mm | Solving of main hardness testing tasks |
| «H» (HV1) 10H/1 kg |
1 kg/2 mm/Ra 0,8 | 145/26 mm | Hardness testing of electroplated coating (chrome, copper, nickel, zinc, tin), thinwalled and small-sized items | |
| «С» (HV10) 100H/10 kg |
1 kg/4 mm/Ra 3,2 | 145/26 mm | Hardness testing of items with unprepared surface, large items and heavy-duty equipment | |
 |
«К» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 76/33 mm | Hardness testing of inner surface of tubes, tanks and other hard-to-reach areas |
 |
«AL» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 190/26 mm | Hardness testing in hard-to-reach areas as pinholes, grooves, in-between gear teeth zones (length of tip 65 mm) |
| Leeb method | ||||
 |
«D» | 3 kg/6 mm/Ra 3,2 | 138/21 mm | Solving of main hardness testing tasks with surface roughness less than 3.2 Ra |
| «E» | 3 kg/6 mm/Ra 3,2 | 138/21 mm | Probe with polycrystalline indenter made of cubic boron nitride to test materials with high hardness | |
 |
«G» | 8 kg/55 mm/Ra 7,6 | 200/29 mm | Hardness testing of high structure inhomogeneity items with surface roughness more than 7.2 Ra |
COMBI hardness tester TQ-4Combi plus
COMBI hardness tester TQ-4Combi plus – portable precision device with brand-new soſt ware.
Device is intended for non-destructive testing of production quality in metallurgy, mechanical engineering, aircraft, shipbuilding, atomic industry, oil and gas industry.
Applying TQ-4Combi plus you receive all advantages of UCI and Leeb methods of metals and alloys hardness control.
TQ-4Combi plus controls hardness of following:
- Carbon and structural steels as well as other fine-grained materials
- Hard-surfaced items (cementation, nitride hardening, high frequency current hardening)
- Heat-resistant, corrosion-resistant, stainless steels
- Non-ferrous metals and alloys (cast iron, aluminium, bronze, brass)
- Electroplated coating (chrome, copper, nickel, zinc, tin), overlaying
- Items of complex configuration (gear teeth, shafts, pipes of any diameter, grooves, blind holes)
- Thin-walled and small-sized items
- Large items and heavy-duty equipment (gas pipelines, rails, construction elements)
Exploitation advantages
– Wide range of metals and alloys.
– Stable measurements with no impact from force and time of pressing the probe to surface.
– Low sensitivity to curvature and roughness of surface.
– Hardness measurement in hard-to-reach areas (position of probe has no impact on the results of measurement).
– Wide range of accessories.
Features of TQ-4Combi plus
- Impact-, dust- and water-proof housing.
- Bright color display allows to make measurements at below zero temperature.
- Signalization about exceeding of prescribed measurement threshold.
- Unique statistical data processing system.
- Fast calibration of device scales with one or two standard test blocks.
- Flexible device memory for readings recording and analysis.
- Programming of additional calibrations for scales of hardness tester with one or two standard test blocks.
- Fast programming of additional scales with two to ten standard test blocks.
Probes characteristics
| Photo | Probe Type/Load | Weight/thickness/ surface roughness of the article under check |
Length/ |
Application |
| UCI method | ||||
 |
«А» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 145/26 mm | Solving of main hardness testing tasks |
| «H» (HV1) 10H/1 kg |
1 kg/2 mm/Ra 0,8 | 145/26 mm | Hardness testing of electroplated coating (chrome, copper, nickel, zinc, tin), thinwalled and small-sized items | |
| «С» (HV10) 100H/10 kg |
1 kg/4 mm/Ra 3,2 | 145/26 mm | Hardness testing of items with unprepared surface, large items and heavy-duty equipment | |
 |
«К» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 76/33 mm | Hardness testing of inner surface of tubes, tanks and other hard-to-reach areas |
 |
«AL» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 190/26 mm | Hardness testing in hard-to-reach areas as pinholes, grooves, in-between gear teeth zones (length of tip 65 mm) |
| Leeb method | ||||
 |
«D» | 3 kg/6 mm/Ra 3,2 | 138/21 mm | Solving of main hardness testing tasks with surface roughness less than 3.2 Ra |
| «E» | 3 kg/6 mm/Ra 3,2 | 138/21 mm | Probe with polycrystalline indenter made of cubic boron nitride to test materials with high hardness | |
 |
«G» | 8 kg/55 mm/Ra 7,6 | 200/29 mm | Hardness testing of high structure inhomogeneity items with surface roughness more than 7.2 Ra |
UCI hardness tester TQ-4C
UCI hardness tester TQ-4C intended for quick measuring of metal items hardness in laboratorial, manufacturing and field conditions.
The device performs non-destructive quality control of products in metallurgy, mechanical engineering, aircraft construction, shipbuilding, nuclear industry, oil and gas industry.
The hardness tester is intended to be used for hardness measurement of carbon construction steels in basic hardness scales — Brinell (HB), Rockwell (HRC), Vickers (HV).
Hardness tester functions by UCI method (Ultrasonic Contact Impedance).
TQ-4C controls hardness of following:
– Carbonaceous and structural steels
– Items with surface-hardened layers such as cementation, nitride hardening, high frequency current hardening
– Heat-proof, corrosion-proof, non-corrosive steels
– Plated coating (chrome), overlaying
– Items of complicated configuration
Exploitation advantages
- Stable readings independent from force and time of pressing.
- Easy measuring in hard-to-reach areas.
- Ultra-small control area (from 1 mm).
- Control in slots and blind holes from 5 mm (not provided by rival devices).
- Invisible print on mirror-surface.
- Low sensitivity to the curvative of surface, thickness and weight of product.
Features of TQ-4C
- Impact-, dust- and water- proof housing.
- Bright color display allows working at below zero temperature and stays bright at any lighting.
- Signalization of exceeding of prescribed readings threshold.
- Unique system of statistic data processing and averaging of readings.
- Fast adjustment of readings and programming of additional calibrations to basic scales by 2 or less standard blocks.
- Flexible device memory for recording of readings and their analysis.
- Programming of additional scales calibrations by 2 or less standard test blocks.
- Fast programming of additional scales by 2 to 10 standard test blocks.
Probes characteristics
| Photo | Probe Type/Load | Weight/thickness/ surface roughness of the article under check |
Length/ |
Application |
 |
«А» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 145/26 mm | Solving of main hardness testing tasks |
| «H» (HV1) 10H/1 kg |
1 kg/2 mm/Ra 0,8 | 145/26 mm | Hardness testing of electroplated coating (chrome, copper, nickel, zinc, tin), thinwalled and small-sized items | |
| «С» (HV10) 100H/10 kg |
1 kg/4 mm/Ra 3,2 | 145/26 mm | Hardness testing of items with unprepared surface, large items and heavy-duty equipment | |
 |
«К» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 76/33 mm | Hardness testing of inner surface of tubes, tanks and other hard-to-reach areas |
 |
«AL» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 190/26 mm | Hardness testing in hard-to-reach areas as pinholes, grooves, in-between gear teeth zones (length of tip 65 mm) |
UCI hardness tester TQ-4C special
UCI hardness tester TQ-4C special is successfully used in particularly difficult production and field conditions.
The device performs non-destructive quality control of products in metallurgy, mechanical engineering, aircraft construction, shipbuilding, nuclear industry, oil and gas industry.
The hardness tester is intended to be used for hardness measurement of carbon construction steels in basic hardness scales — Brinell (HB), Rockwell (HRC), Vickers (HV).
Hardness tester functions by UCI method (Ultrasonic Contact Impedance).
TQ-4C special controls hardness of following:
– Carbonaceous and structural steels
– Items with surface-hardened layers such as cementation, nitride hardening, high frequency current hardening
– Heat-proof, corrosion-proof, non-corrosive steels
– Plated coating (chrome), overlaying
– Items of complicated configuration
Exploitation advantages
- Stable readings independent from force and time of pressing.
- Easy measuring in hard-to-reach areas.
- Ultra-small control area (from 1 mm).
- Control in slots and blind holes from 5 mm (not provided by rival devices).
- Invisible print on mirror-surface.
- Low sensitivity to the curvative of surface, thickness and weight of product.
Features of TQ-4C special
- Impact-, dust- and water- proof housing.
- Bright color display allows working at below zero temperature and stays bright at any lighting.
- Signalization of exceeding of prescribed readings threshold.
- Unique system of statistic data processing and averaging of readings.
- Fast adjustment of readings and programming of additional calibrations to basic scales by 2 or less standard blocks.
- Flexible device memory for recording of readings and their analysis.
- Programming of additional scales calibrations by 2 or less standard test blocks.
- Fast programming of additional scales by 2 to 10 standard test blocks.
Probes characteristics
| Photo | Probe Type/Load | Weight/thickness/ surface roughness of the article under check |
Length/ |
Application |
 |
«А» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 145/26 mm | Solving of main hardness testing tasks |
| «H» (HV1) 10H/1 kg |
1 kg/2 mm/Ra 0,8 | 145/26 mm | Hardness testing of electroplated coating (chrome, copper, nickel, zinc, tin), thinwalled and small-sized items | |
| «С» (HV10) 100H/10 kg |
1 kg/4 mm/Ra 3,2 | 145/26 mm | Hardness testing of items with unprepared surface, large items and heavy-duty equipment | |
 |
«К» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 76/33 mm | Hardness testing of inner surface of tubes, tanks and other hard-to-reach areas |
 |
«AL» (HV5) 50H/5 kg |
1 kg/3 mm/Ra 1,6 | 190/26 mm | Hardness testing in hard-to-reach areas as pinholes, grooves, in-between gear teeth zones (length of tip 65 mm) |