Automatic Instrument Transformer test Set OD HAEFELY Current and voltage - our passion

General Description The 2767 automatic current and voltage transformer test set is a modern, fully automatic instrument for fast, accurate measurement of instrument transformer errors. Increasingly severe quality control requirements call for a higher degree of operating comfort and absolute reliability of the measuring equipment employed. Based on the latest design technology, this instrument sets new standards of quality, reliability, convenient operation and simple maintenance. Its measurement ranges for current/voltage errors, phase displacement and current/ voltage excitation are fully up...

Test circuit for current instrument:  For remote-controlled measurement – IEEE 488  interface Wide range specifications) Measurement Systems HAEFELY also designs and supplies computer controlled current and voltage transformer measurement facilities for specific customer requirements.  Type 2767 combined test set for current and voltage instrument transformers  Series 4760 standard current transformer (current      comparator) Type 2763 is a test set for current instrument transformers only Type 2769 is a test set for voltage instrument transformers only Series 4820 standard voltage...

2. VOLTAGE TRANSFORMER MEASUREMENT PART X and N-inputs (test and standard transformers)  Rated secondary 140, 300 V voltage (max. rated range values) USXR, USNR x 1/√√3, x 1/3 additional with factors  Max. operating range 3... 140 V : 3 … 280 V (USX, USN) at USXR = > 140 ... 300 V : 10 ... 400 V  Inherent burden at USXR, USNR = Ratio matching factor of test and standard transformers (correction) ݑȰݑ Ȱݑðݑðݑðݑðݑðݑ ðݑȰݑ Ȱݑðݑðݑðݑðݑðݑ âȶ ݑذݑ = ذݑȰݑȰݑưݑưݑưݑưݑưݑ ưݑȰݑȰݑưݑưݑưݑưݑưݑ Permissible limits for k: 0.5 Ƣɤ k ≤ 10 (accuracy depends on k-factor) 3. CURRENT AND VOLTAGE TRANSFORMER MEASUREMENT PART...

Mains supply Power input Temperature range Dimensions (W x H x D) Temperature Range Humidity Weight PT: 10 - 400 V, k=1 CT: 10 ... 210%, k=1, Ratio error <0.2%, Phase error < 20 min Accuracy Extract of limits of error for current transformer and voltage transformer measurements at reference conditions resulting in highest accuracy. Full accuracy specifications see instruction manual. Order Specifications STANDARD SUPPLY Type 2767 automatic instrument current and voltage transformer test set in a 19" case (including RS 232C printer interface). ■ Ground cable 16 mm2, 10 m ■ Power cable ■ Mains...

Global Presence Europe HAEFELY AG Birsstrasse 300 4052 Basel Switzerland 8 + 41 61 373 4111 China HAEFELY AG Representative Office 8-1-602, Fortune Street, No. 67 Chaoyang Road, Beijing 100025 China 8 + 86 10 8578 8099 This document has been drawn up with the utmost care. We cannot, however, guarantee that it is entirely complete, correct or up to date. ©Copyright HAEFELY/ Subject to change without notice V20XX.XX