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Manufacturer-reference buyer guide
Overview

Heller 1912MK5-VR Vacuum Reflow Oven

The 1912MK5-VR combines convection and infrared heat with a vacuum stage for demanding reflow. Establish the board envelope, gas chemistry, profile and installed vacuum configuration for the actual oven; a published vacuum figure alone does not certify void performance on a production board.

Official source recordedUnit evidence requiredInspection guideExport support
Manufacturer-published model data

Heller 1912MK5-VR Technical Specifications

Heated layoutHeller lists 11 top and 11 bottom convection zones plus three top infrared zones.
Heated length290 cm convection length and 382 cm total heated length in the published model table.
CoolingThree top cooling zones; bottom cooling is an option.
VacuumPublished standard minimum vacuum is 10 Torr; below 10 Torr is optional.
Board envelopePublished maximum board 350 × 350 × 29 mm; validate carrier and product clearance.
Manufacturer model data · Important: model-level figures and features are conditional manufacturer information, not guarantees for a particular used Heller 1912MK5-VR unit.
Key FeaturesReference configuration illustration for Heller 1912MK5-VR

Configuration Must Be Verified

The actual Heller 1912MK5-VR quote should identify the convection/IR zones, vacuum pump and seals, gas configuration, conveyor, cooling, controls, voltage and condition.

Buyer decision guide

When Heller 1912MK5-VR Makes Sense — and When It May Not

Heller 1912MK5-VR selection should begin with production requirements and evidence, not with a model name alone.

Good fit: profile controlUse the convection/IR zone layout to build a measured process for a demanding assembly.
Good fit: vacuum process evaluationCompare actual pre-vacuum and post-reflow records with the buyer's void criteria.
Check carefully: chemistryAir, nitrogen, formic acid and forming gas are listed options; confirm the actual gas-handling installation.
Check carefully: void claimNeither a vacuum rating nor a model name guarantees an acceptable result on every board.
Typical Applications

Typical Applications for Heller 1912MK5-VR

Heller 1912MK5-VR should be evaluated against the buyer’s board dimensions, thermal profile, gas chemistry, vacuum timing and void acceptance. The final application fit depends on the evidence for the specific unit.

Before quotation

Three Heller 1912MK5-VR Buyer Questions

These questions keep the quotation scope connected to the buyer’s real SMT process.

1

What board dimensions, solder alloy and void targets define the trial?

Heller 1912MK5-VR buyers should confirm this with actual-machine evidence before quotation.

2

Which gas, bottom-cooling and low-vacuum options are installed?

Heller 1912MK5-VR buyers should confirm this with actual-machine evidence before quotation.

3

Can the offered oven show zone calibration, a thermocouple profile, vacuum trace and inspected sample results?

Heller 1912MK5-VR buyers should confirm this with actual-machine evidence before quotation.

Running video confirmation

Heller 1912MK5-VR Running Video Review

Before shipment, review the relevant power-on, movement, operating state and visible condition for the specific offered unit.

This review page does not present a reference clip as proof of the actual machine. A reviewed unit-specific recording is required before it can be attached here.

  • Power-on and visible operating-state confirmation
  • conveyor transfer, zone heat-up, measured thermal profile, vacuum cycle and alarms
  • Unit-specific condition evidence before export packing
Running video pendingA reviewed local video is not yet attached. Open this panel for unit-specific proof.
Used-machine inspection

Inspection and Export Preparation for an Actual Heller 1912MK5-VR

  • Nameplate and configurationModel, serial, year, voltage and installed options.
  • Machine configurationMechanical, transport, sensing, camera, software and motion condition relevant to the quoted Heller 1912MK5-VR.
  • Transport and softwareConveyor, sensors, program and line-interface evidence where applicable.
  • Running and packing proofPower-on evidence, visible operation and export packing records.
Spare Parts

Heller 1912MK5-VR Spare Parts Scope

Request a unit-specific Heller 1912MK5-VR list for heaters, fans, vacuum seals and pump, conveyor components, filters and service items. Availability is not claimed on this review page.

Quotation checklist

Provide board size, thermal/vacuum profile, gas and power utilities, options and destination, required accessories and desired inspection evidence for the proposed Heller 1912MK5-VR.

FAQ

Common questions for overseas buyers evaluating a Heller 1912MK5-VR.

01Zones

Is the model only a convection oven?

No. Heller lists convection zones and three top IR zones.

02Vacuum

Is below 10 Torr standard?

No. Heller lists 10 Torr standard and below 10 Torr as an option.

03Board

What board envelope is published?

Heller lists 350 × 350 × 29 mm for this model.

Export packing proof

Export Packing and Container Loading

The V3 scrolling proof gallery is retained. It describes LCSMT export preparation, not the condition of a particular Heller 1912MK5-VR unit.

LCSMT machine protection before packing
Machine protection
LCSMT moisture-proof wrapping
Moisture protection
LCSMT container loading support
Container loading
LCSMT machine protection before packing
Machine protection
LCSMT moisture-proof wrapping
Moisture protection
LCSMT container loading support
Container loading

Send Your Heller 1912MK5-VR Production Requirement

Share board size, thermal/vacuum profile, gas and power utilities, options and destination and inspection expectations. LCSMT can review whether an actual Heller 1912MK5-VR configuration is a practical match.