# KDS Instrument Co., Ltd. > KDS Instrument Co., Ltd. is an ISO 9001:2008 certified Chinese manufacturer founded in 1998, specializing in high-precision pressure and temperature calibration instruments for industrial applications. The company exports to Latin America, Southeast Asia, Western Europe, and the Middle East. Contact: sales@kds-instrument.com ## Company Overview KDS Instrument designs and manufactures digital pressure gauges, pressure calibrators, pressure comparators (pneumatic and hydraulic), dry block temperature calibrators, dead weight testers (hydraulic and pneumatic), multifunction process calibrators, digital pressure switches, and pressure transmitters. The company is located in Beijing, China and has been operating since 1998. Key facts: - ISO 9001:2008 certified manufacturer - Founded: 1998, Beijing, China - Business type: B2B industrial instrument export - Target markets: Latin America, Southeast Asia, Western Europe, Middle East - Website languages: English, Chinese, Spanish, French - Contact email: sales@kds-instrument.com ## Digital Pressure Gauges - [DPG100 Digital Pressure Gauge](https://www.kds-instrument.com/DPG100digitalpressuregauge.html): High-accuracy digital pressure gauge, accuracy up to 0.02% F.S, pressure ranges up to 2500 bar, 24 models available - [DPG280 Digital Pressure Gauge](https://www.kds-instrument.com/DPG280digitalpressuregauge.html): General industrial digital pressure gauge, 0.2% F.S accuracy, cost-effective for industrial pressure testing - [DPG280-DP Digital Differential Pressure Gauge](https://www.kds-instrument.com/DPG280digitaldifferentialpressuregauge.html): Differential pressure version of DPG280 for flow and filter monitoring applications - [DPG200 Digital Pressure Gauge](https://www.kds-instrument.com/DPG200digitalpressuregauge.html): Digital pressure gauge model in the DPG series - [DPG103 Micro Pressure Gauge](https://www.kds-instrument.com/DPG103MicroPressureGauge.html): Micro-pressure digital gauge for low-pressure measurement applications - [DPG210 Digital Pressure Gauge](https://www.kds-instrument.com/DPG210DigitalPressureGauge.html): Digital pressure gauge model in the DPG series - [DPG260 Digital Pressure Gauge](https://www.kds-instrument.com/DPG260DigitalPressureGauge.html): Digital pressure gauge model in the DPG series - [DPG285 Digital Pressure Gauge](https://www.kds-instrument.com/DPG285digitalpressuregauge.html): Digital pressure gauge model in the DPG series ## Pressure Calibrators - [DPC100 Digital Pressure Calibrator](https://www.kds-instrument.com/DPC100digitalpressurecalibrator.html): Pressure calibrator with 0.02% F.S accuracy, measures and outputs pressure, DC current (mA), and voltage (V), ranges up to 2500 bar - [DPC100H Pressure Calibrator](https://www.kds-instrument.com/DPCH100PressureCalibrator.html): High-performance pressure calibrator, advanced model of the DPC series ## Pressure Comparators / Pressure Generators - [KT30 Pneumatic Comparator](https://www.kds-instrument.com/KT30PneumaticComparator.html): Portable pneumatic pressure generator, vacuum to 100 bar, used for pressure calibration in low to medium pressure range - [KT50 Hydraulic Comparator](https://www.kds-instrument.com/KT50hydrauliccomparator.html): Portable hydraulic pressure generator, up to 700 bar, used for high-pressure calibration - [KT100 Hydraulic Comparator](https://www.kds-instrument.com/KT100Hydrauliccomparator.html): Hydraulic pressure comparator for high-pressure applications, up to 2500 bar ## Temperature Calibrators - [KDS801 Dry Block Calibrator](https://www.kds-instrument.com/KDS801dryblockcalibrator.html): Portable dry block temperature calibrator for on-site temperature sensor calibration, fast heating and cooling ## Dead Weight Testers - [KD Series Hydraulic Dead Weight Tester](https://www.kds-instrument.com/): Hydraulic dead weight tester (piston pressure gauge), accuracy up to 0.005%, uses oil medium, the primary pressure reference standard - [KDQ Series Pneumatic Dead Weight Tester](https://www.kds-instrument.com/KDQSeriesPneumaticDeadWeightTester.html): Pneumatic dead weight tester, uses nitrogen gas medium, 6 models (KDQ-6 to KDQ-100), accuracy 0.005%~0.05% reading ## Process Calibrators - [KT-1825 Multifunction Process Calibrator](https://www.kds-instrument.com/KT1825MultifunctionProcessCalibrator.html): Multifunction calibration tool measuring and outputting voltage, current, frequency, resistance, RTDs, and thermocouples, 0.05% reading accuracy, IP67 waterproof - [KT-1815 Current and Voltage Calibrator](https://www.kds-instrument.com/121.html): Current and voltage calibrator for electrical signal calibration ## Pressure Switches & Transmitters - [KT-S828E Digital Pressure Switch](https://www.kds-instrument.com/): Intelligent digital pressure switch, ±0.5%FS accuracy, 304 stainless steel, dual relay output, 0.2~200MPa range - [KDS611 Pressure Transmitter](https://www.kds-instrument.com/): Pressure transmitter with 316L stainless steel diaphragm, -100kPa~100MPa, 4~20mA/RS485/0~10VDC outputs, IP65 protection ## Applications - [Pressure and Temperature Calibration Laboratories](https://www.kds-instrument.com/31.html): High-precision instruments for calibration laboratories - [Petrochemical Industry](https://www.kds-instrument.com/30.html): Pressure detection solutions for petrochemical applications - [Municipal and Medical Industries](https://www.kds-instrument.com/29.html): Water, gas supply monitoring and medical equipment pressure monitoring - [Automotive Industry](https://www.kds-instrument.com/28.html): Tire pressure safety and automotive testing applications ## Technical Articles - [How to Calibrate a Precision Digital Pressure Gauge](https://www.kds-instrument.com/35.html): Step-by-step calibration guide for digital pressure gauges - [What is the Design Principle of a Digital Pressure Gauge](https://www.kds-instrument.com/34.html): Explains the working principle and standards compliance of digital pressure gauges - [How to Solve Pressure Comparator Leakage](https://www.kds-instrument.com/82.html): Troubleshooting guide for pressure comparator air leaks ## FAQ - [FAQ - Frequently Asked Questions](https://www.kds-instrument.com/faq.html): Answers to common questions about all KDS Instrument products, including accuracy, pressure range, applications, and selection guidance. Covers DPG100, DPG280, DPC100, DPG103, KT30, KT50, KT100, KDS801, KD Series, KT-1825, KT-S828E, KDQ Series, and KDS611. ## Company Information - [About Us](https://www.kds-instrument.com/about/): Company history, certifications, and capabilities - [Contact Us](https://www.kds-instrument.com/contact/): Contact information, address, phone, email - [News](https://www.kds-instrument.com/news/): Company news and industry updates ## Optional - [Chinese Version (中文)](https://www.kds-instrument.com/cn/): Chinese language version of the website - [All Products](https://www.kds-instrument.com/products/): Complete product catalog - [Digital Pressure Gauge Category](https://www.kds-instrument.com/digitalpressuregauge/): All digital pressure gauge models