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Equipment Calibration β€” CENAME / LANAMET
β†’ Start procedure at MINECO πŸ“ž Call 2412-0200
Before clicking, have ready:
  • πŸ“„ Calibration request form (downloadable from cename.gt)
  • πŸ“‹ Technical manual of the equipment (if available)
  • πŸ”¬ Equipment or instrument to calibrate (physical delivery at CENAME)
  • πŸ’Ό Company tax data for invoicing
  • πŸ’΅ Payment at Banco CHN (transfer or cashier's check) per quote
πŸ’° Cost: Variable per equipment Β· ⏱ Time: 10 business days Β· πŸ†” Verified: May 2026 (CENAME operational)

LANAMET Calibration is the official service provided by the National Metrology Laboratory (LANAMET) of the National Metrology Center (CENAME) of MINECO, calibrating measurement equipment and instruments with direct traceability to international primary standards. It is the country’s highest metrological reference and the preferred option for regulated industries, accredited laboratories and companies with ISO 9001 / 17025 systems.

Summary: Variable cost depending on equipment, capacity and method (Government Agreement 173-2021). Official timeline 10 business days from equipment receipt. Payment at Banco CHN by transfer or cashier’s check. Calibrates magnitudes of mass, length, temperature, volume, pressure, viscosity, electricity, time and frequency. Result: Calibration certificate or report with traceability to international primary institutes. Applies to companies with active NIT.

Applies to: pharmaceutical industry with ISO 9001, food industry with HACCP / FSSC22000, service stations (pumps and dispensers), supermarkets and businesses with commercial scales, laboratories under ISO/IEC 17025, LP gas distributors, drug manufacturers, companies with quality audits and any establishment requiring metrological traceability.

What is LANAMET calibration?

Calibration is the set of operations that establishes the relationship between values indicated by a measuring instrument and the corresponding known values provided by a reference standard. When a thermometer reads 100Β°C, is it really 100Β°C? Calibration answers that question by quantifying the error and associated uncertainty.

LANAMET, operated by CENAME of MINECO, is the laboratory whose standards are traced directly to international primary institutes β€” the NIST (National Institute of Standards and Technology) of the US, CENAM (National Metrology Center) of Mexico, and other institutes that are members of BIPM (Bureau International des Poids et Mesures). This short traceability is the guarantee that LANAMET-issued values are internationally comparable.

MagnitudeTypical equipment calibrated
MassAnalytical balances, industrial scales, standard weights class E1/E2/F1/F2/M1, dynamometers
Length / dimensionVernier calipers, micrometers, gauge blocks, scales, levels
TemperatureLiquid thermometers, thermocouples, RTDs, ovens, baths, climatic chambers
VolumePipettes, micropipettes, burettes, volumetric flasks, graduated cylinders
PressureManometers, vacuum gauges, transducers, pressure calibrators
ViscosityRotational viscometers, Ford cups, capillary viscometers
ElectricityMultimeters, multifunction calibrators, voltage/current sources, oscilloscopes
Time and frequencyStopwatches, frequency generators, counters

LANAMET issues a calibration certificate with measured values, observed errors, associated uncertainty (with coverage factor k=2, ~95% confidence level) and traceability to primary standards.


Who needs it?

LANAMET is not universally mandatory β€” a domestic user doesn’t need to calibrate their kitchen scale β€” but it is functionally mandatory for:

  • πŸ’Š Pharmaceutical industry with ISO 9001 or GMP β€” every equipment that affects product quality (scales, thermometers, ovens, manometers) must be calibrated with documented traceability. MSPAS requires a calibration plan for sanitary registry.
  • 🍞 Food industry with HACCP / FSSC22000 / BRC β€” cooking thermometers, refrigeration, dosing scales, autoclave manometers.
  • β›½ Service stations β€” fuel dispensing pumps (mandatory CENAME verification before MEM).
  • πŸ›’ Supermarkets, butcheries, bakeries β€” commercial scales serving the consumer (mandatory legal verification).
  • πŸ”¬ Accredited ISO/IEC 17025 laboratories β€” any standard used in tests or internal calibrations must be traced to a national or accredited laboratory.
  • 🏭 Manufacturing industry with ISO 9001 β€” production equipment and quality control with documented calibration frequency.
  • πŸ› οΈ Automotive, aerospace, medical equipment industry β€” torque wrenches, micrometers, calipers with traceability for international certifications.
  • βš—οΈ Chemical industry β€” pH meters, conductivity meters, scales, process manometers.
  • πŸ₯ Clinical laboratories and hospitals β€” autoclaves, culture ovens, reagent dosing scales, stopwatches for coagulation times.
  • βš–οΈ Companies that weigh transactions β€” grain distributors, foundries, jewelry stores (with precise scales).

If you need traceability without working with LANAMET directly, you can use a private OGA-accredited laboratory under ISO/IEC 17025. Traceability is the same (calibration chain), although the chain is longer. LANAMET offers short traceability and competitive prices for standard services.


Full requirements

LANAMET works with a very simple procedure β€” most of the work is in the technical calibration, not the paperwork:

  • Calibration request form for measurement equipment and instrument (downloadable from the CENAME portal)
  • Technical manual of the equipment or instrument (if available β€” not mandatory but helps the metrologist verify manufacturer specifications)
  • The physical equipment delivered at CENAME facilities (MINECO Building, Guatemala City)
  • Company tax data for invoice issuance (active RTU/NIT)
  • Payment slip per CENAME formal quote (Banco CHN, transfer or cashier’s check)

Tip: For delicate equipment (analytical scales, precision manometers, electrical calibrators) use proper packaging when transporting to CENAME. A blow during transit can invalidate the calibration. Large pharmaceutical companies use cases with suspension and padded bottoms.


Step-by-step process

  1. Find the calibration request at the National Metrology Center (CENAME) portal and download it.

  2. Complete the request indicating: equipment description, brand, model, serial number, capacity, minimum division, magnitude to calibrate, calibration points requested (e.g., for a scale: 0g, 50g, 100g, 200g) and company data.

  3. Bring the form and equipment to CENAME facilities and request an appointment with the metrologist responsible for the magnitude you need to calibrate (mass, temperature, pressure, etc.).

  4. The metrologist receives the equipment and issues a formal quote with cost per Government Agreement 173-2021. Calculation depends on instrument type, method, capacity, number of points and other factors.

  5. Schedule the calibration with the metrologist. For common equipment (scales, standard thermometers) the appointment can be immediate; for specialized equipment there may be a 1-3 week waiting list.

  6. Make payment by bank transfer or Banco CHN cashier’s check. Send proof of payment to CENAME.

  7. The laboratory performs the calibration per the applicable method (NTG, ISO, OIML, EURAMET or internal procedure). This process can take from minutes to several days depending on equipment and number of points.

  8. Receive the calibrated equipment along with the calibration certificate or report. The certificate includes:

    • Equipment identification (brand, model, serial)
    • Standard used and its traceability
    • Calibration results (read value, conventional value, error, uncertainty)
    • Environmental conditions during calibration
    • Metrologist’s signature and date

Cost and time

ItemDetail
CostVariable per equipment (Government Agreement 173-2021)
Payment methodBank transfer or Banco CHN cashier’s check
Official timeline10 business days from equipment receipt
Real time (common equipment)5-10 days (scales, thermometers, standard manometers)
Real time (specialized equipment)15-30 days (advanced electrical calibrators, low-demand equipment)
Recommended validityAnnual (depends on use and applicable regulation)

Reference cost examples (request formal quote):

EquipmentApproximate cost range
Laboratory analytical balance (5 points)Q400 - Q1,200
Industrial scale (3 points)Q300 - Q800
Standard weight class F1 / F2 (1 piece)Q80 - Q300
Digital thermometer (3 points)Q200 - Q800
Thermocouple / RTD (5 points)Q400 - Q1,500
Volumetric pipette (3 points)Q150 - Q400
Variable micropipette (3 volumes)Q300 - Q900
Analog manometer (5 points)Q300 - Q900
Digital pressure calibratorQ800 - Q2,500
Digital multimeter (functional calibration)Q400 - Q1,500

Unofficial costs you’ll incur:

  • Equipment transportation to CENAME (logistics from the interior can add Q300-Q1,500)
  • Packaging and insurance of the equipment during transit
  • Periodic calibration of internal standards if you have your own workshop (Q5,000-Q25,000 annually)

Budget tip: For a small pharmaceutical company with 20-30 critical equipment to calibrate annually, the realistic LANAMET budget is around Q15,000-Q40,000 annually. For a medium industrial plant with 100+ equipment, it can rise to Q80,000-Q250,000. Schedule it in the annual quality plan.


Common errors / what to avoid

  1. Bringing decalibrated and damaged equipment β€” if equipment is out of specification or has physical damage, LANAMET issues a calibration report with the findings but the certificate may state that the equipment does NOT meet specification. Calibrate only if it’s operational.
  2. Not requesting a formal quote first β€” cost varies a lot depending on points requested. Always request a quote before bringing the equipment, especially for complex electrical equipment.
  3. Not bringing the technical manual β€” the metrologist needs manufacturer specifications to verify compliance. Without manual, calibration is performed against generic criteria that may not apply to your specific equipment.
  4. Calibrating too close to expiration β€” if your calibration expires June 30 and you deliver the equipment June 25, you risk operating with expired calibration if LANAMET takes more than the official 10 days. Schedule with 30-45 days lead time.
  5. Confusing calibration with legal verification β€” calibration is a voluntary service that quantifies the error. Legal verification (pumps, commercial scales) is mandatory by the State and governed by different rules. You need both if applicable.

  • Decree 78-2005 β€” National Quality System Law: creates CENAME and authorizes operation of LANAMET as national metrological reference.
  • Government Agreement 173-2021 β€” LANAMET Tariff and Legal Metrology Inspection and Verification Unit: official tariff schedule.
  • Applicable international technical standards depending on magnitude: NTG / ISO / OIML / EURAMET.
  • Mutual Recognition Arrangements (CIPM-MRA): give international recognition to LANAMET calibration certificates.

Operating decalibrated equipment in regulated industries (pharmaceutical, food, fuels) can result in:

  • Administrative sanctions from the regulator (MSPAS, MEM, MARN)
  • Loss of ISO 9001 / 17025 / HACCP / GMP certification in follow-up audit
  • Batch rejection in export
  • Confiscations at gas stations and businesses with non-verified scales