Belt weigher knowledge base
Straight answers on belt weigher fault codes, calibration and setup, written by technicians who calibrate these machines on Australian mine sites. No sign up, no manual downloads, just what we have learned keeping weightometers accurate in the field.
Find your integrator
Servicing, calibration and fault-finding notes for every belt weigher and integrator we work on. Pick yours.
Fault codes & symptoms
Something reading wrong on site? Start here.
Common belt weigher faults: what are the symptoms, causes and fixes?
Common belt weigher faults and fixes: zero drift, span error, jumpy totals, speed sensor and integrator problems on mine and quarry belt scales.
Read the guideFault codes & symptomsDensity gauge troubleshooting for mining applications
Density gauge troubleshooting for mining, covering process changes, build-up, detector faults, calibration and service support.
Read the guideFault codes & symptomsEMC ModWeigh: fault messages, calibration and common problems
EMC ModWeigh fault messages explained for MW95A: record the alarm, identify MP1/MP2 hardware and software, and arrange diagnosis, calibration or manual support.
Read the guideFault codes & symptomsIs it the load cell, the cable, or the junction box?
Most belt weigher load cell faults are not the cell: how to tell a failed cell from a wet junction box, a damaged cable or an earthing problem.
Read the guideFault codes & symptomsLocked out of your belt weigher integrator? Access levels explained
Locked out of your belt weigher integrator? How access levels work, why the calibration menus are protected, and the legitimate ways to get back in.
Read the guideFault codes & symptomsRamsey Micro-Tech 2104 and 9104: loss-in-weight feeder control, alarms and calibration
What the Ramsey Micro-Tech 2104 and 9104 loss-in-weight feeder alarms mean, what a hopper calibration involves, and why feed rate wanders.
Read the guideFault codes & symptomsRamsey Micro-Tech 9101 and 9201: error messages, calibration and common problems
What the common Ramsey Micro-Tech 9101 and 9201 alarms mean, how zero and span calibration works, and the faults we find most on Australian sites.
Read the guideFault codes & symptomsRamsey Micro-Tech 9105 and 9205: weighfeeder control, calibration and common faults
What the Ramsey Micro-Tech 9105 and 9205 weighfeeder alarms mean, what a feeder calibration involves, and why feed rate drifts off setpoint.
Read the guideFault codes & symptomsRamsey Micro-Tech 9106: the impact flow meter integrator, its alarms and its calibration
What the Ramsey Micro-Tech 9106 impact flow meter alarms mean, why its span has to be run on real material, and what we find behind the faults.
Read the guideFault codes & symptomsSchenck Intecont Plus: fault codes, calibration and the problems we see on site
What the common Schenck Intecont Plus fault codes mean, what a calibration on one involves, and how we service these integrators across Australia.
Read the guideFault codes & symptomsSchenck Intecont Tersus: event messages, calibration and common faults
What Intecont Tersus event messages mean, how the calibration works, and the load cell, speed and fieldbus faults we see most on Australian sites.
Read the guideFault codes & symptomsWhy are my belt weigher totals erratic?
Why belt weigher totals go erratic: speed signal faults, load cell and junction box problems, mechanics, noise, and integrator or SCADA settings.
Read the guideFault codes & symptomsWhy does a conveyor metal detector keep false tripping?
Why conveyor metal detectors false trip: splices and belt clips, steel-cord belts, steel moving near the coil, drive interference, build-up and setup, and what we check first.
Read the guideFault codes & symptomsWhy does my belt weigher’s zero keep drifting?
Weightometer zero keeps drifting? Find the cause in belt behaviour, build-up, weigh idlers, load cells, wiring or settings before repeated re-zeroing hides it.
Read the guideFault codes & symptomsWhy doesn’t my belt weigher match the weighbridge?
Belt weigher totals differ from the weighbridge? Check matched batches, tare, timing, moisture, speed and calibration before changing a weightometer setting.
Read the guideFault codes & symptomsWhy is my belt weigher only wrong when the belt is running light?
Why a belt weigher agrees at full rate but reads badly wrong on a light belt: zero offset versus span error, low flow cutoff, and the honest fix.
Read the guideFault codes & symptomsWhy is my belt weigher reading a flow rate on an empty belt?
Belt weigher reading a flow rate on an empty belt? Five safe first checks, what can cause it, what a technician will inspect, and when to call us for advice.
Read the guideCalibration
What a visit involves and how to get the most from it.
Belt cut calculator: kg/m and weightometer error
Free belt cut calculator for conveyor belt scales and weightometers. Calculate kg/m, percentage error and sample variation from your cut weights.
Read the guideCalibrationBelt weigher calibration: what do zero, span and repeatability mean, and what does “out of tolerance” actually tell you?
What zero, span and repeatability mean on a belt weigher, and why out-of-tolerance results must be judged against the requirements of the particular installation and test.
Read the guideCalibrationBooking a belt weigher service: what we need to know
Booking weightometer calibration or belt weigher servicing? Send the symptoms, equipment details and site access requirements so we can plan the right work.
Read the guideCalibrationHow do I read my belt weigher calibration report?
Understand a belt weigher calibration report: as-found and as-left results, zero, span, repeatability, percentage bases and the follow-up actions that matter.
Read the guideCalibrationTest weights, calibration chains or a material test: which belt weigher calibration method is right?
Compare test weights, roller calibration chains and material tests: what each method checks, its limitations, and how to choose a suitable belt weigher calibration scope.
Read the guideCalibrationTest weights, chains and billets: the gear your calibration depends on
How to assess and care for belt weigher test weights, roller calibration chains and built-in billet mechanisms, including reference records and correct load application.
Read the guideCalibrationThe belt cut test: how do you prove a belt weigher is accurate?
What a static belt cut can tell you about belt weigher loading, how the comparison is calculated, and why it does not replace a complete material test.
Read the guideCalibrationWhat happens during a belt weigher calibration visit?
What happens on a belt weigher calibration visit: planning, inspection, servicing, zero and span checks, repeatability testing, and the report you receive.
Read the guideCalibrationWhat should be checked before a belt weigher calibration?
Before weightometer calibration, check the weigh frame, weigh idlers, belt, speed sensor and connections, then record defects and arrange suitable test conditions.
Read the guideHow things work
Plain-English explainers for the gear on your conveyor.
Belt weigher load cells: types, checks and how they fail
Belt weigher load cells explained: sensor types, mV/V output, four- and six-wire connections, fault diagnosis and compatible replacement options.
Read the guideHow things workBelt weigher terminology: a plain-English glossary
Plain-English glossary of belt weigher terms: weightometer, belt scale, integrator, span, tare, TMD, belt scanners and more, from Accurate Industries.
Read the guideHow things workHow does a belt weigher (weightometer) work?
How does a belt weigher work? A clear guide to the weigh frame, load cells, weigh idlers, belt speed sensor and integrator, and what affects accuracy.
Read the guideHow things workMetal detectors on mining and quarry conveyors: what they protect and how we service them
Conveyor metal detector service in Australia: how detectors catch tramp metal, why they false trip, and what our on-site service and calibration covers.
Read the guideHow things workThe belt weigher formula: how tonnes per hour is actually calculated
Calculate belt weigher tonnes per hour from kg/m and belt speed. Worked examples explain the 3.6 conversion, total tonnes, speed pulses and test-load limits.
Read the guideHow things workThe EMC ModWeigh system, component by component
Identify EMC ModWeigh MP1, MP2, MD, MT and I/O components, with exterior videos, compatible-system checks and manual support from Accurate Industries.
Read the guideHow things workThe Schenck belt weighing system, component by component
A component by component guide to Schenck Process belt weighers: INTECONT Plus, Tersus and Satus integrators, DISOCONT, MULTIBELT frames and MULTIDOS feeders.
Read the guideHow things workWhat is a density gauge and how does it work?
What a density gauge is, how a source and detector measurement works, what affects the reading, and what a service visit involves.
Read the guideHow things workWhich speed sensor does a belt weigher use, and how do you troubleshoot it?
Belt weigher speed sensors: the six types, NPN vs PNP, integrator compatibility, and how to troubleshoot no-signal and wrong-speed faults.
Read the guideInstallation
Getting the location right before the weigher goes in.
Getting belt weigher data into your PLC or SCADA
Get belt weigher rate and total into a PLC or SCADA: 4-20mA, pulse outputs, Modbus RTU and TCP, EtherNet/IP and Profinet, and the common comms traps.
Read the guideInstallationProtecting belt weigher electronics: surge, water, dust and heat
What actually kills belt weigher electronics on Australian sites: surge and lightning, water, dust, heat and vibration, and how to protect against each.
Read the guideInstallationWhere should a belt weigher be installed on a conveyor?
Where to install a belt weigher on a conveyor: loading points, curves, belt tension, idler alignment, structure and access, explained by our technicians.
Read the guideNeed a hand with your belt weigher?
Talk to the technicians who service and calibrate belt weighers on Australian mine sites every week.
Or call 1300 101 666.