
Instrumentation Calibration Table
Instrument Calibration Made Easy
Portable Calibration Table – a reliable solution for verifying the performance of seismometers, accelerometers, accelerographs, and seismographs in both field and laboratory environments.
OVERVIEW
Description
Ensure the accuracy and reliability of your seismic equipment with our professional-grade Portable Calibration Table. Designed for both field and laboratory environments, this table offers precision calibration for broadband and short-period seismometers and accelerometers.
🔑 Key Features:
✅ Universal Compatibility: Compatible with all broadband and short-period seismometers and accelerometers.
✅ Comprehensive Calibration: Validates the entire instrumentation chain, guaranteeing reliable and repeatable results.
✅ Micrometer Precision: Engineered for high-precision calibration with an adjustable displacement range.
✅ Portability Redefined: Compact and lightweight—easily transportable for calibration in field stations, vaults, or laboratories.
✅ Manual Operation: Fully people-powered—requires no motor or external power supply.
✅ User-Friendly Design: Intuitive setup and operation, even in remote and challenging locations.
🛠️ Inspired by Proven Design:
Modeled after Erhard Wielandt’s Lennartz CT-EW1 calibration table, our design maintains exceptional accuracy and durability while offering enhanced portability and ease of use. Say goodbye to heavy, stationary calibration setups—this tool is designed for mobility and efficiency.
⚠️ Note: This product includes the Calibration Table only. Seismographs shown in product images are for illustration purposes and are not included.
What's Included
📦 Calibration Table Package – Complete Precision Calibration Solution
Your Calibration Table Package includes everything you need for accurate, reliable, and efficient seismic instrument calibration, whether in the field, laboratory, or remote locations.
✅ Package Contents:
1️⃣ Calibration Table with Horizontal Extension Bridge:
- Supports both vertical and horizontal component calibration.
- Compatible with a wide range of broadband and short-period sensors.
- Built for micrometer precision and ease of use.
2️⃣ Transport Box:
- Sturdy and secure for safe transport and storage.
- Compact and lightweight, designed for portability and durability in challenging environments.
3️⃣ OSOPCAL Software for Data Processing:
- User-friendly interface for seamless data acquisition and analysis.
- Generates instrument response files (RESP, dataless, inventory-XML).
- Compatible with popular seismic software like SeisComP, ObSpy, and Earthworm.
FAQS
📊 Portable Calibration Table – Your Precision Calibration Solution
🔍 What is it?
A vertical single-step displacement tool designed for precise sensor calibration.
💡 Why is it useful?
Equipped with a dial gauge featuring micrometer precision, this tool provides exact displacement measurements—a critical factor for generating accurate instrument response files or validating existing ones.
⚙️ How does it work?
To ensure robustness and field-readiness, we’ve eliminated all motorized components. Instead, the calibration table operates with a manual lever:
- ✅ No gearboxes
- ✅ No fuss
- ✅ No external power supply needed
Simple. Reliable. Efficient.
🧳 Is it portable?
Absolutely! The Portable Calibration Table is built for field operations and remote locations, offering unmatched flexibility outside traditional laboratory settings.
📏 Will it work with my sensor?
Yes! It’s compatible with:
- STS-2.5
- Nanometrics Trillium Compact
- Nanometrics Trillium 120
- STS-2
- Metrozet
- Reftek 151
- Lennartz LE 3Dlite
- Guralp CMG-3
You name the sensor—this calibration table can handle it.
🔗 Does it come with an extension bridge for horizontal components?
Absolutely. The extension bridge ensures precise calibration for horizontal components, enhancing the versatility of your setup.
🛠️ Is it complicated to use?
Not at all! While the engineering design ensures true vertical motion (a challenging task), your job remains effortlessly simple—just move the lever.
🪵 Can I build my own?
Sure! You can refer to Erhard Wielandt’s plywood calibration table design instructions. However, when commercial-grade precision and durability are required, our Portable Calibration Table is your best choice.
📡 Can I send my instruments to QuakeLogic for calibration?
Absolutely! We’ll provide a new, up-to-date response file for your instrumentation, including:
- Poles and zeros
- Gain
- Full transfer function
Delivered in RESP, dataless, or inventory-XML formats—compatible with Earlybird, Earthworm, ObSpy, Seisan, and SeisComP.
📧 Contact us today at sales@quakelogic.net for more information!
Experience Precision. Simplify Calibration. Choose QuakeLogic.


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