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Visionstar SJD-C09D

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Visionstar Dental And Oral Care Equipment

Visionstar SJD-C09D

Product Code: DAOC-DI-2962

Seventy kilovolts doubles the distance rule. No cone length published.

Seventy kilovolts on a wall-mounted scissor arm, with dual 1.5 mm and 0.8 mm focal spots and 2.5 mm Al total filtration.

Sections

Intraoral X-ray Units

Categories

Dental And Oral Care Equipment

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

The Visionstar SJD-C09D is a wall-mounted dental X-ray unit carried on an articulated scissor arm, operating at 70 kV and 8 mA from a 220 V, 1 kVA supply, with exposure timing from 0.2 to 4 seconds and total filtration published at 2.5 mm aluminium. Focus sizes are given as 1.5 mm and 0.8 mm. Exposure parameters are selected by digital touch button under microcomputer control, with remote exposure triggering, a low voltage alarm and high voltage protection. Leakage radiation is published at 0.002 mGy/h or less at one metre.

The kilovoltage carries a consequence that has to be resolved before purchase. UK dental guidance sets a minimum distance from the focal spot to the patient's skin, and that minimum increases for equipment operating above 60 kV — commonly expressed as 100 mm at 60 kV and below, and 200 mm above it. A unit specified at 70 kV sits squarely in the higher band, and this data sheet publishes no focus-to-skin distance, no cone length and no field size. That figure has to come from the manufacturer and go to your Radiation Protection Adviser before the unit is commissioned.

The dual focus specification raises a second question. Two focal spots are listed, 1.5 mm and 0.8 mm, against a single tube current of 8 mA. A finer focal spot concentrates the same energy into a smaller area of the anode and generally cannot absorb an equivalent thermal load, so it is unusual for both to run at the same current. Ask which current applies to each focus and what exposure times result on the fine setting.

Total filtration at 2.5 mm aluminium sits above the 1.5 mm equivalent minimum commonly cited for intraoral equipment operating up to 70 kV. Medigear.uk can arrange supply, delivery, installation, commissioning and service cover across the United Kingdom.

Intraoral radiography carries the diagnostic load in UK general dentistry, and a wall-mounted unit is the space-efficient way to install it in a surgery. The SJD-C09D supports bitewing caries detection, periapical assessment of pathology, endodontic working-length and obturation verification, alveolar bone-level review, and root morphology assessment ahead of extraction. The manufacturer specifically identifies root canal work among its intended uses.

Operation at 70 kV shapes the images. A higher-energy beam produces a longer greyscale, which suits views where crestal bone, root surface and restorative material have to be read together — periodontal assessment and restorative margin review both benefit — and it reaches a given receptor density in a shorter exposure than a lower kilovoltage would.

The same kilovoltage sets the installation bar, and this is the point to resolve before committing. Equipment above 60 kV attracts the longer minimum focus-to-skin distance, and no cone or distance figure is published. That is a specification question rather than a clinical one, but it determines whether the unit can be used as supplied.

The wall-mounted format suits surgeries where floor space is limited, folding back between patients and extending over the chair when needed. The trade-off is that the installation is fixed: the arm's reach has to cover every chair position it will serve, which is worth checking against a scale plan.

Remote exposure triggering is the format's real dose advantage, letting the operator stand outside the controlled area for every exposure. Guidance from the College of General Dentistry and UKHSA Dental X-ray Protection Services remains the reference point UK practices work to, alongside HSE enforcement of IRR17.

Remote triggering for operator position

Exposure can be initiated away from the tube head, so the operator stands outside the controlled area for every exposure — the most effective dose control available on a fixed installation.

Filtration with margin

Total filtration published at 2.5 mm aluminium sits above the minimum commonly cited for intraoral equipment operating up to 70 kV, giving beam quality assessment room rather than a bare pass.

Very low published leakage

Housing leakage stated at 0.002 mGy/h or less at one metre gives your Radiation Protection Adviser a definite and low figure when assessing the controlled area.

A longer greyscale from 70 kV

Higher beam energy spreads a broad range of densities across the image, which suits periodontal bone-level review and restorative margin assessment.

Floor space kept clear.

A scissor arm folds back against the wall between patients and extends over the chair when needed, which suits a surgery where floor area is already committed.

Supply monitoring built in

A low voltage alarm and high voltage protection watch the incoming supply rather than leaving the tube exposed to whatever the mains delivers.

Two focus sizes offered

Both 1.5 mm and 0.8 mm focal spots are listed, which allows the unit to be matched to the diagnostic detail the practice needs once the current and exposure implications are confirmed.

UK supply, installation and service through one route

Medigear.uk can arrange listing, supply, delivery, installation, commissioning, staff familiarisation, service cover, planned maintenance and quotations for the SJD-C09D across the United Kingdom.

70 kV tube voltage

Fixed kilovoltage above the 60 kV threshold, producing a longer greyscale and determining which minimum focus-to-skin distance applies.

8 mA tube current

Published tube current — confirm which focal spot this figure applies to.

Focus sizes 1.5 mm and 0.8 mm.

Two published focal spot sizes; request the current and exposure times applicable to each.

2.5 mm Al total filtration

Published total filtration, above the minimum commonly cited for intraoral equipment operating up to 70 kV.

Leakage 0.002 mGy/h or less at one metre

Published housing leakage figure, used by the RPA in assessing the controlled area and operator position.

Exposure range 0.2–4 seconds

A twenty-fold span, with working values set by your Medical Physics Expert and recorded as local diagnostic reference levels.

Remote exposure control

Exposure can be triggered away from the tube head, supporting an operator position outside the controlled area.

Low voltage alarm

The unit monitors incoming supply and alerts on undervoltage rather than producing an inconsistent exposure.

High voltage protection

Overvoltage protection is fitted — confirm the operating threshold against UK supply tolerance.

Digital touch button parameter selection

Exposure parameters are selected electronically through a single button under microcomputer control.

Wall-mounted scissor arm

An articulated arm folds against the wall and extends over the chair — request arm reach at full extension and the fixing specification.

Package size 152 × 57 × 26 cm

Published shipping dimensions; unit weight is not published and is needed for wall fixing design.

Digital and film receptor references

The manufacturer's material refers to both — confirm which receptor the stored parameters are calibrated for.

Endodontic use identified

Root canal work appears among the manufacturer's stated applications, alongside general diagnosis.

The Visionstar SJD-C09D gives UK dental practices a wall-mounted X-ray unit on an articulated scissor arm, running at 70 kV and 8 mA from a 220 V, 1 kVA supply with a 0.2 to 4 second exposure range, focus sizes of 1.5 mm and 0.8 mm, published total filtration of 2.5 mm aluminium, leakage at 0.002 mGy/h or less at one metre, remote exposure triggering, a low voltage alarm and high voltage protection. It suits NHS and private general practice, periodontal and restorative work, and endodontics, in surgeries where floor space is limited. Three points need written answers before order: the cone specification and focus-to-skin distance, since operating at 70 kV places the unit in the longer-distance band and neither figure is published; which tube current pairs with each focal spot; and the unit weight and arm reach needed to design the wall fixing. Medigear.uk can arrange supply, delivery, installation, commissioning, staff familiarisation, service cover and planned maintenance across the United Kingdom. Contact the Medigear.uk team for pricing, lead times, cone options and room planning enquiries.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

The focus-to-skin distance requirement, and it is the first thing to settle. UK dental guidance applies a minimum distance from the focal spot to patient skin that steps up above 60 kV, commonly given as 100 mm at 60 kV and below and 200 mm above it. This unit is specified at 70 kV, so the longer figure applies to every exposure it makes — and the data sheet publishes no focus-to-skin distance or cone length at all. Ask the manufacturer for the cone specification and the resulting distance in writing, ask whether a longer cone is available if the standard one falls short, and give the answers to your Radiation Protection Adviser before commissioning.

Worth resolving, because it determines what the fine focus is usable for. Focus sizes are listed as 1.5 mm and 0.8 mm against a single 8 mA. A smaller focal spot concentrates the same energy into a smaller anode area, so it generally cannot sustain the same load, and equipment offering both usually runs the fine focus at reduced current. Ask which current pairs with each focus, and what exposure times the 0.8 mm setting needs — a finer focus bought at the cost of a much longer exposure trades geometric sharpness for movement blur.

More than the tube head alone, and the data sheet does not give you the figure. A scissor arm applies static load and a moving moment as it extends, so the fixing must be designed for the fully extended condition. Unit weight is not published — only a package size — so request it along with arm reach at full extension and the fixing specification. Have the wall construction assessed before installation is scheduled, particularly in a stud partition or lightweight blockwork.

Ask before ordering, because there is a real question here. The supply is specified as 220 V ±10%, which describes roughly 198 to 242 V. UK mains is nominally 230 V with a tolerance extending above 242 V at the upper end, so the supply can sit above the unit's stated range. That matters more than usual on this unit because it carries high voltage protection: ask at what voltage that protection operates, since a device set to trip above 242 V could interrupt exposures on a normal UK supply. Involve a qualified electrician when the dedicated circuit is specified.

Operator distance, reliably. Being able to trigger the exposure away from the tube head lets the operator stand outside the controlled area rather than beside the patient, and dose falls sharply with distance. On a fixed installation that is the single most effective control available. Confirm the cable length or the arrangement provided, and make the operator position part of your local rules rather than leaving it to habit.

Both published and both sound. Total filtration is 2.5 mm aluminium, above the 1.5 mm equivalent minimum commonly cited for intraoral equipment operating up to 70 kV, which gives your Radiation Protection Adviser margin. Leakage is stated at 0.002 mGy/h or less at one metre. The comparison standard quoted alongside that figure in the manufacturer's material is not the one applied in the United Kingdom, so pass on the measured figure rather than the comparison.

The material describes both, and the two statements need reconciling. One feature refers to light room dental film with an image in a minute, while another says the unit connects to a dental digital imaging system and supports root canal work. Film and digital sensors require substantially different exposure values, so ask which receptor the stored parameters are calibrated for, and whether phosphor plates are supported.

The Ionising Radiations Regulations 2017 require employers carrying out dental X-ray work to register with the Health and Safety Executive, appoint a Radiation Protection Adviser, nominate a Radiation Protection Supervisor, complete a radiation risk assessment and designate the controlled area in local rules. The Ionising Radiation (Medical Exposure) Regulations 2017 add the appointment of a Medical Physics Expert, justification and optimisation of each exposure, and documented training for referrers, practitioners and operators. A critical examination is required when the equipment is put into service.

Dental X-ray equipment is subject to routine quality assurance and periodic radiological testing under IRR17, alongside annual electro-mechanical inspection, with a critical examination required at installation. A scissor arm adds mechanical checks on balance, drift and the fixing itself, since an arm that creeps out of position is both a nuisance and a sign of wear. Warranty terms are set and issued by the seller or manufacturer, typically 12–24 months for this equipment class — confirm the term and the parts covered at quotation.