Calibration Services

Karma Lab provides precise, high-quality calibration services to ensure the accuracy, reliability, and compliance of your instruments. Our services cover pressure, temperature, TOC, and a wide range of measurement equipment, delivered by qualified specialists using traceable standards. Click a category on the left to explore our calibration capabilities.

Pressure Gauge

Dial / digital gauges across requested ranges with traceable certification.

Pressure Calibrator

Verification of portable and bench pressure calibrators used as reference tools.

Pressure Switch

Set-point verification, repeatability checks, and documentation support.

Pressure Transducer

Accuracy verification and zero/span checks for pressure transducers.

Pressure Transmitter

4–20mA / digital transmitters calibration with optional loop checks.

Vacuum Pressure Gauge

Vacuum range verification for cleanroom and process applications.

Needle Valve Verification

Functional verification (leak/hold checks if required) — scope-dependent.

Diff. Pressure Gauge

Differential pressure gauge verification for HVAC, filters, and cleanrooms.

Diff. Pressure Switch Verification

Trip/set-point verification for differential pressure switches.

Differential Pressure Indicator Verification

Verification of DP indicators used for filter monitoring and process control.

Digital Thermometers

Verification across required temperature points with traceable reporting.

Glass Thermometers

Calibration and verification for laboratory glass thermometers (scope-dependent).

Thermocouple

Type K, J, T, etc. — probe verification and documentation support.

Thermometers

General thermometer calibration (digital/analog) based on your range and accuracy needs.

RTD Thermometers

Pt100 / Pt1000 RTD-based instruments verification for precise applications.

Dial Thermometers

Bimetal dial thermometer verification for process and utilities.

Temperature Bath

Stability/uniformity verification and temperature reference checks (scope-dependent).

Temperature Calibrators

Dry-block / portable temperature calibrator verification for field and lab use.

Infrared Thermometer

IR thermometer verification (emissivity considerations as required).

Online TOC Analyzers

Calibration/verification for continuous monitoring TOC systems (utilities, PW/WFI loops, process lines).

Laboratory TOC Analyzers

Bench/lab TOC instruments verification with standards and reporting suitable for QA.

Portable / Field TOC

Calibration/verification for portable TOC units used for spot checks and troubleshooting.

PW / WFI TOC Systems

Support for pharmaceutical water compliance monitoring (system-dependent scope).

TOC Sensors / Probes

Verification for in-line TOC sensors, including performance checks and documentation.

High-Temperature Combustion TOC

Instruments using combustion oxidation (method-specific verification approach).

UV / Persulfate Oxidation TOC

Instruments using UV/persulfate oxidation (method-specific verification approach).

TC / TIC / TOC / NPOC Modes

Verification coverage for TC, TIC, TOC and NPOC reporting modes.

Calibration For pH Measurement Devices

pH meters, probes, and related measurement systems (scope-dependent).

Calibration For Conductivity Measurement Devices

Conductivity meters, sensors, and transmitters verification.

Calibration For Humidity Measurement Devices

Humidity probes and meters calibration across required RH points.

Calibration For Densitometer devices

Verification of density measurement instruments (method-dependent).

Calibration For Air Speed Measurement Devices

Air velocity meters and probes verification (HVAC / cleanroom).

Calibration For Length Standards

Dimensional standards verification and traceable reporting.

Calibration For Gauge Block

Gauge block inspection and calibration (grade/scope-dependent).

Calibration For Diameter Standards

Ring/plug standards and diameter references verification.

Calibration For Thermo-hygrometer

Combined temperature/RH devices verification.

Calibration For Flow meter Measurement Devices

Flow measurement devices verification (gas/liquid; method-dependent).

Calibration For Standard Weights

Mass standards calibration with traceable certification.

Calibration For Time Measurement Devices

Timers and time-measuring instruments verification.

Calibration For Tachometer

RPM measurement devices verification for rotating equipment.

Calibration For Hardness Measurement Devices

Hardness testers verification (method/scope-dependent).

Calibration For Volumetric Flasks

Volumetric glassware verification (class/scope-dependent).

Calibration For Micropipette

Micropipette performance verification and documentation.

Calibration For Digital Caliber

Caliper verification using traceable dimensional standards.

Calibration For Micrometer

Micrometer verification across its measuring range.

Calibration For Temperature and humidity Data Loggers

Loggers verification for storage/transport and monitoring.

Calibration For Level Sensor

Level sensor calibration/verification (technology-dependent).

Calibration For Temperature Data Loggers

Temperature-only loggers verification across required points.