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- 2012-04-06
Featured 青岛四方泰合电气设备 manuals

Qingdao Sifang Taihe SF-3R Hot Relay Tester User Manual
The SF-3R hot relay tester is designed for calibrating and verifying motor protection devices, thermal relays, and thermocouples in power‑system test sites such as railways, petrochemical plants, and mines. It features long‑duration current output (0‑50 A or 0‑500 A) and synchronized testing of multiple devices, with a simple microcontroller‑based interface.
The manual explains the applicable scope, main functions, technical specifications, operation steps, safety precautions, and warranty conditions. Users are guided on power connection, current‑output adjustment, and proper handling to ensure accurate test results and reliable operation. This manual is written in Chinese.
Covers: Applicable Scope · Main Functions · Technical Specifications · Operation Method · Precautions · Warranty Conditions

Qingdao Quartet Taihe Portable Relay Protection Tester SF-101 User Manual
The SF-101 portable relay protection tester is a lightweight (10 kg) device with a stainless‑steel or plastic‑aluminum enclosure, offering dual‑brush voltage regulators and a 0.5‑class digital meter for precise measurements. It provides both main and auxiliary output circuits for AC and DC voltage and current, as well as a built‑in 6‑digit stopwatch.
The manual explains the instrument’s operating principle, step‑by‑step usage procedures, safety precautions, and includes a separate section for the mathematical stopwatch, covering its measurement range, functions, and connection methods. This manual is written in Chinese.
Covers: Purpose and Features · Technical Specifications · Operating Principle · Usage Instructions · Precautions · Mathematical Stopwatch Instructions

Qingdao Sifang Taihe DL-2000A Large Current Generator User Manual
The DL-2000A large‑current generator, produced by Qingdao Sifang Taihe, uses an energy‑saving autotransformer and high‑permeability current‑raising unit. It features a 0.5‑class digital meter with true‑RMS indication and an optional digital time‑counter, making it suitable for testing current transformers, protection devices and secondary circuits in power systems.
The manual describes the main technical parameters, step‑by‑step usage instructions, safety measures, and warranty conditions. It also provides guidance on proper connection, adjustment of output current, and precautions to avoid overheating during prolonged operation. This manual is written in Chinese.
Covers: Overview · Main Technical Parameters · Usage Method · Safety Precautions · Warranty Conditions

Qingdao Sifang Taihe SFD-8 Analog Switch Breaker Technical Manual
The SFD-8 analog switch breaker is an improved version of the SFD-7, designed for testing power system protection devices and relay panels by accurately simulating breaker opening and closing times. It uses a fully digital circuit with selectable impedance and phase operation modes.
The manual details power supply requirements, voltage selection, impedance options, timing settings, and safety precautions. It also lists the included accessories and warranty terms for the equipment. This manual is written in Chinese.
Covers: Purpose · Breaker Principle · Operation Instructions · Technical Specifications · Safety Precautions · Included Accessories
Latest 青岛四方泰合电气设备 manuals
Qingdao Quartet Taihe electrical equipment DL-800A Direct-current Large current generator Manual
DL-800A DC large current generator manual. The product has the characteristics of large output power, small additional loss, strong overload capacity, easy operation, clear reading, and flexible movement. It is suitable for power system technicians to test DC current transducers, DC auxiliary magnetics of reactors, protection devices and secondary circuit current tests.
Qingdao Quartet Taihe electrical equipment SFD-9 high Press breaker analog unit User Manual
SFD-9 type high voltage circuit breaker simulation device is mainly used for the whole group test of relay protection device and in the backup power self-throwing device test and other projects to replace the real high voltage circuit breaker. This simulation device uses a single chip microcomputer as the control core to realize the simulation of high voltage circuit breaker jump, closing time setting, input signal logic control and other functions, so as to simulate the jump, closing action of high voltage circuit breaker, and provide a set of completely isolated DC voltage output. The device is simple and reliable to operate.
Qingdao Sifang Taihe SF-3R Hot Relay Tester User Manual
User Manual 2 pages · 133 KB · ZHThe SF-3R Hot Relay Tester manual provides usage instructions, specifications, and safety guidelines for testing motor protection devices.
Qingdao Quartet Taihe Portable Relay Protection Tester SF-101 User Manual
User Manual 8 pages · 161 KB · ZHUser manual for the SF-101 portable relay protection tester, detailing features, specifications, operation and safety guidelines.
Qingdao Sifang Taihe DL-2000A Large Current Generator User Manual
User Manual 3 pages · 111 KB · ZHUser manual for the DL-2000A large‑current generator, detailing specifications, operation steps and safety precautions.
Qingdao Sifang Taihe SFD-8 Analog Switch Breaker Technical Manual
User Manual 3 pages · 147 KB · ZHThe SFD-8 analog switch breaker manual provides usage instructions, technical specifications, and safety guidelines for the Qingdao Sifang Taihe device.
Qingdao Sifang Taihe SG-101 Power Frequency Line Parameter Tester User Manual
User Manual 20 pages · 434 KB · ZHThe SG-101 Power Frequency Line Parameter Tester User Manual provides operation, wiring, measurement ranges, and troubleshooting for the Qingdao Sifang…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in 青岛四方泰合电气设备 manuals
What is the output current range of the SF-3R tester?
The tester can continuously output 0–50 A or 0–500 A, and with three channels it can deliver 3×50 A or 3×500 A, customizable up to 10 000 A.
From: Qingdao Sifang Taihe SF-3R Hot Relay Tester User Manual
How should the device be powered and connected before testing?
Connect the A, B, C, N terminals to a three‑phase four‑wire AC supply, then link the current‑output terminals and switch‑input terminals to the relay under test using the dedicated test leads.
From: Qingdao Sifang Taihe SF-3R Hot Relay Tester User Manual
How do I adjust the output voltage on the main circuit?
Select the desired output range (e.g., AC 0‑250 V) and turn the large knob on the main circuit to set the voltage.
From: Qingdao Quartet Taihe Portable Relay Protection Tester SF-101 User Manual
What is the measurement range for DC voltage?
The device can measure DC voltage from 0 to 350 V.
From: Qingdao Quartet Taihe Portable Relay Protection Tester SF-101 User Manual
How do I adjust the output current to the required value?
Turn the autotransformer clockwise evenly until the digital current indicator shows the desired large current.
From: Qingdao Sifang Taihe DL-2000A Large Current Generator User Manual
Can the generator run continuously at its rated current?
No. The device is designed for short‑time operation and must not run at rated current for long periods to avoid overheating.
From: Qingdao Sifang Taihe DL-2000A Large Current Generator User Manual
