Industrial Testing Equipment · Material Testing Machines
Split-type impact torque tester for powered wrenches and hammers, with a separate transducer, TRACK, PEAK and PPEAK modes and three large-capacity sizes on a colour touch display.
HIT-10000S (3 models) ·
An impact wrench does not deliver torque; it delivers a series of blows. The number a bench has to record is the height of those blows, and often the spread between them, which is a different measurement from the steady pull a torque wrench makes.
The instrument is in two parts. A display unit carries the controls and the reading; a separate transducer sits in the torque path at the tool output and is joined to the display by a cable. On a heavy tool that is clamped in a fixture, that split is what makes the reading visible while the tool is running.
Four generations share the measuring engine and differ in presentation: a basic unit, a character LCD unit with a fold-out stand that props the housing at an angle on the bench, a high-brightness numeric display for bright or dim rooms, and a colour touch display that can also record the torque curve. The largest sizes of the fourth generation are the ones described here.
The transducer is bolted into the load path between the tool and a joint that is stiff enough not to absorb the blow. Each impact strains the transducer; the instrument samples the resulting signal fast enough to follow the rise and the decay of a single pulse, which is why the sampling rate, not the display, sets the ceiling on what the unit can resolve.
The three modes answer three different questions. TRACK follows the signal as it happens and is used for zeroing and for a slow, steady application. PEAK holds the highest value in the burst, which is the right reading for a hand tool or a clutch that slips at a set level. PPEAK holds the difference between the highest and the lowest point of the pulse train, which is what a pneumatic or battery impact tool produces when the joint keeps rebounding between blows and the instantaneous peak overstates what the fastener receives.
Peak reset is on a timer. After the set interval the held value clears, so a run of readings can be taken without touching the instrument between them.
Work from the joint outward. The torque the joint is specified to is the number that has to sit comfortably inside the scale; the tool’s capability only tells you that the scale must be large enough not to be over-ranged. A tool measured near the top of a range leaves no headroom for the scatter between blows.
Then decide what has to be recorded. A pass or fail bench needs the held value and the alarm; a bench investigating why a joint is drifting needs the curve, which is an added function on the colour display rather than a standard one.
Then match the mechanical interface. The transducer has to accept the output of the tool, and the accessories supplied with the series are listed by code only, so the adaptor for a particular drive is settled with the supplier rather than assumed from the tool size.
Finally, confirm the supply at the bench. The series is described both with a rechargeable pack and, for the fourth generation, with a mains supply, and which one arrives matters if the unit is to be moved between cells.
An impact reading is a dynamic measurement, and it depends on the joint as much as on the tool. Joint stiffness, thread condition, washer type and the number of blows all move the number, so a figure is only comparable with another figure taken on the same fixture. Recording the impact count alongside the torque is what makes two runs comparable.
Peak-to-peak is a spread, not a torque, and it should not be compared with a peak figure from another instrument. On a tool with poor repeatability the spread widens even when the mean output is unchanged, which is a useful signal but a different one.
Where the torque is applied slowly and held, as in the calibration of a torque wrench, this is the wrong instrument: a calibrator with a loading arm and a rigid reaction bracket measures that condition directly. Where the fastener is small and the tool is a screwdriver, a bench tester with a clamping chuck keeps the tool and the joint aligned, which matters more at low torque than the range does.
Every value below is taken from source documentation. Where a parameter is not stated in the available material it is marked as information required rather than estimated.
| Range, HIT-10000S | 100 to 1000 N·m / 1000 to 10000 kgf·cm / 1000 to 9000 lbf·inStandard |
|---|---|
| Range, HIT-20000S | 200 to 2000 N·m / 2000 to 20000 kgf·cm / 2000 to 18000 lbf·inStandard |
| Range, HIT-30000S | 300 to 3000 N·m / 3000 to 30000 kgf·cm / 3000 to 27000 lbf·inStandard |
| Accuracy | ±1.0%Standard |
| Measurement modes | TRACK for live reading and zeroing; PEAK for the held maximum; PPEAK for the peak-to-peak valueStandard |
| Units | N·m, kgf·cm and lbf·in, selected by a switchStandard |
| Direction | Clockwise and counter-clockwiseStandard |
| Impact count | Counts the impacts occurring inside a set measuring timeStandard |
| Reference standard | Not stated in the materialInformation required |
| Display | Colour LCD touch panel on the fourth generation; character LCD on the second; high-brightness numeric display on the thirdStandard |
|---|---|
| Torque curve | Available as an added function on the colour displayOptional |
| Peak reset time | 0.5 to 3 s, third generation and aboveStandard |
| Over-limit alarm | Upper limit preset by the user; status lamp and a long audible alarm when the reading exceeds itStandard |
| Battery-low indication | FittedStandard |
| Auto power off | Five minutes without operation, can be switched on or offStandard |
| On-screen fields | Mode, settings, save, print, zero, pulse count and battery stateStandard |
| Supply | 1.2 V nickel-metal-hydride cells, five of them; the fourth-generation models are listed as AC 220 VStandard |
|---|---|
| Charging time | 6 hoursStandard |
| Continuous use | 15 hours on a full chargeStandard |
| Charger | Input 220 to 240 V AC, output 7.2 V DC at 400 mAStandard |
| Battery life | Not stated in the materialInformation required |
| Construction | Split body: display unit and torque transducer in separate housings, joined by a cableStandard |
|---|---|
| Transducer coupling | Not stated in the materialInformation required |
| Dimensions | Not stated in the materialInformation required |
| Weight | Not stated in the materialInformation required |
| Standard accessories | LK26009A and LK26010Standard |
|---|---|
| Accessory content | Names, quantities and the drives they fit are not stated in the materialInformation required |
| Model | Configuration | Key ranges | Availability |
|---|---|---|---|
| HIT-10000S | Fourth generation, colour touch display | 100 to 1000 N·m / 1000 to 10000 kgf·cm / 1000 to 9000 lbf·in | The size named in the source folder |
| HIT-20000S | Fourth generation, colour touch display | 200 to 2000 N·m / 2000 to 20000 kgf·cm / 2000 to 18000 lbf·in | |
| HIT-30000S | Fourth generation, colour touch display | 300 to 3000 N·m / 3000 to 30000 kgf·cm / 3000 to 27000 lbf·in | Listed in the quick selection table only; the general specification table stops at HIT-20000S |
Certifications are only published once a certificate copy can be produced, so this section is deliberately empty rather than populated with assumed approvals. Tell us which approvals your application requires and we will confirm what is available for this instrument.
The following are required for a complete specification but are not stated in the documentation supplied to us. They are listed rather than estimated:
PPEAK is the mode the material associates with pneumatic tools and lithium-battery drivers, both of which deliver a rapid series of impacts that the joint rebounds between. PEAK holds the single highest value seen, which is what a hand tool or a steady pull produces. Setting PPEAK on a single-event tool reads low, and setting PEAK on an impact tool reads the first blow rather than the settled output, so the mode follows the tool.
By measuring rather than by estimating. Start on the largest size available, run the tool on a joint representative of production, and read the peak. A tool that reaches more than the full scale of a smaller size will simply over-range it, and the peak value gives the number needed to pick the size that keeps the working torque in the upper part of its scale.
The tool type and whether it is pneumatic, corded or battery driven; the torque the joint is specified to; the drive or output shape the transducer has to accept; whether torque curve recording is wanted; and the supply voltage at the bench, since the fourth-generation models are listed with an AC supply while the earlier ones run from a rechargeable pack.
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