• Wide choice ranging from rugged portables to systems instruments, including unique in-service TIMS
• Complete analog testing to North American and CCITT standards
• Testing of voice-grade data circuits, program circuits, metallic digital circuits

The HP 4934A transmission impairment measuring set (TIMS) increases installation and maintenance productivity for telephone companies and service providers through its ease of use, portability, and ruggedness. Hewlett Packard offers versions of the HP 4934A that perform measurements to either IEEE 743 or CCITT specifications, including:

• Level/frequency up to 110 kHz
• Noise and noise-to-ground
• Noise-with-tone and signal-to-noise ratio
• 3-level impulse noise
• P/AR (North American version only)