UCI hardness tester
High-precision hand-held instrument engineered for demanding production and field conditions, delivering reliable non-destructive testing capabilities. Designed for assessing production quality, it finds utility across various industries such as metallurgy, mechanical engineering, aircraft construction, shipbuilding, atomic industry, and oil and gas.
Operating on the Ultrasonic Contact Impedance (UCI) method, this hardness tester is specifically tailored for measuring the hardness of carbon structural steels across fundamental hardness scales such as Brinell (HB), Rockwell (HRC), and Vickers (HV).
Application
- Carbonaceous and structural steels.
- Items with surface-hardened layers suach as cementation, nitride hardening, high frequency current hardening.
- Heat-proof, corrosion-proof, and non-corrosive steels.
- Plated coatings (e.g., chrome), overlaying.
- Items with complicated configurations.
Description
- Stable readings independent of applied force and duration of pressing.
- Easy measurement in hard-to-reach areas.
- Ultra-small control area (from 1 mm).
- Control in slots and blind holes from 5 mm (unique feature compared to rival devices).
- Invisible print on mirror surfaces.
- Low sensitivity to surface curvature, thickness, and weight of the product.
Features
- Impact-, dust-, and water-proof housing.
- Bright color display for operation in sub-zero temperatures, remaining visible under varying lighting conditions.
- Signalization of threshold readings exceedance.
- Unique system for statistical data processing and averaging of readings.
- Swift adjustment of readings and programming of additional calibrations to basic scales using two or fewer standard blocks.
- Flexible device memory for recording and analyzing readings.
- Programming of additional scales calibrations by two or fewer standard test blocks.
- Quick programming of additional scales by two to ten standard test blocks.
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Probes characteristics
| Photo | Probe Type/Load | Weight/thickness/ surface roughness of the article under check |
Length/ |
Application |
 |
«А» (HV5) 50N/5kg |
1kg/3mm/Ra 1,6 | 145/26mm | Solving of main hardness testing tasks |
| «H» (HV1) 10N/1kg |
1kg/2mm/Ra 0,8 | 145/26mm | Hardness testing of electroplated coating (chrome, copper, nickel, zinc, tin), thinwalled and small-sized items | |
| «С» (HV10) 100N/10kg |
1kg/4mm/Ra 3,2 | 145/26mm | Hardness testing of items with unprepared surface, large items and heavy-duty equipment | |
 |
«К» (HV5) 50N/5kg |
1kg/3mm/Ra 1,6 | 76/33mm | Hardness testing of inner surface of tubes, tanks and other hard-to-reach areas |
 |
«AL» (HV5) 50N/5kg |
1kg/3mm/Ra 1,6 | 190/26mm | Hardness testing in hard-to-reach areas as pinholes, grooves, in-between gear teeth zones (length of tip 65mm) |
Exploitation requirements
- Items heavier than 1 kg and thicker than 2 mm require no additional preparation.
- Items lighter than 1 kg or thinner than 2 mm should be securely fixed using a vice clamp or support plate with fixing paste.
- Best measurement accuracy achieved on surfaces with a roughness of 1.6 RA.
Hardness testers modes
| Measurement mode | Readings | Using |
| By basic scales | Basic hardness units (HRC, HB, HV) | Hardness testing of the bulk of products |
| By additional calibrations to basic scales | By HRA, HRB, HSD scales and ultimate tensile strength | Hardness testing of high-alloy steels, special cast iron and nonferrous metals |
| By additional scales | Scales are programmed by the user | Special problems solving |
The statistical parameters used for processing measurements
- Maximum, minimum, and mean values.
- Standard deviation from the mean.
- Average deviation from user-set values.
- Number of results outside the upper/lower limit range specified by the user.
- Maximum deviation from the upper/lower border.
- Automatic elimination of erroneous results.
- Comparison of measurement results in series using comparison charts displayed on the hardness tester.
Technical specifications
| Characteristic | Values |
| Relative average error at regular calibration | 3-5% |
| Hardness testing ranges: | |
| Rockwell C | 20-70 HRC |
| Brinell | 90-450 HB |
| Vickers | 240-940 HV |
| Spot diameter on the item surface for probe positioning | From 1mm on flat surface From 5mm in a slot |
| Quantity of possible additional scales calibrations | 5 for each scale |
| Quantity of additional scales | 3 |
| Duration of the measurement | 2 seconds |
| Quantity of measurements for average reading calculation | 1-99 |
| Memory capacity | 12 400 readings |
| Maximum quantity of named blocks of readings generated in memory | 100 |
| Signalization about threshold exceeding | Provided |
| PC connection | USB |
| Power supply | Li-ion accumulation battery |
| Dimensions of hardness tester electronic unit | 121x69x41mm |
| Weight of electronic unit | 0.3kg |
| Weight of A-probe | 0.3kg |
| Operating temperature range | -15…+35°C |
| Warranty | 1 year |
Delivery set
| Elements | UCI Hardness tester TQ-4C |
UCI Hardness tester TQ-4C special |
| Electronic unit with accumulation battery | + | + |
| A-type probe | + | + |
| Connecting cable for A-type probe | 1 pcs | 2 pcs |
|
Adapter “U4” |
+ | |
| Standard test block HRC | + | |
| Charger | + | + |
| Operating manual | + | + |
| PC cable | + | + |
| Soft case | + | + |
| Cuff to fix device on arm | + | + |
| Bag for carrying and storing | + | + |
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