SW-5D Time-Base Frequency Instrument with 7 Selectable Standard Outputs 1.3" OLED Display and OCXO Temperature Deviation ≤ 0.05 ppm

SW-5D Time-Base Frequency Instrument

For electricity meter clock verification

Key Highlights

• High-stability OCXO time base; frequency accuracy ≤ 4×10[-7]
• GPS time sync and correction via Ethernet (second-level synchronization)
• 7 selectable standard outputs: 0.5 Hz / 1 Hz / 100 kHz / 500 kHz / 625 kHz / 1 MHz / 2 MHz
• Pulse input measurement: 0.1 Hz–1 MHz, with automatic daily time error calculation
• 1.3" OLED display, simple keypad, remembers last output frequency

Core Specifications

• Time base: OCXO; temperature deviation ≤ 0.05 ppm at -20 ℃ and +60 ℃ (ref 25 ℃)
• Default output: 625 kHz; 50% duty cycle; levels: High 4.5 V / Low 0.11 V (typ.)
• GPS performance: cold start ~29 s, hot start ~1 s; sensitivity: capture -148 dBm / tracking -165 dBm
• Error test: duration 1–100 s (default 60 s); displays measured input frequency and daily time error
• I/O: F-IN (frequency measurement), F-OUT (standard frequency output)
• Comms & time: RJ45 Ethernet (default IP 192.168.1.199, port 1234), RS-232 (reserved)
• Power & grounding: AC 220 V (fused), chassis ground terminal

Typical Applications

• Accuracy verification of internal clocks in multifunction energy meters
• Laboratory and field time-base standard output and pulse frequency measurement
• GPS-based time synchronization for calibration systems

Installation & Connections

• F-OUT to system comm board J2 (adapter cable included)
• Connect S-ANT to outdoor antenna for GPS time sync
• Ethernet for IP/port configuration and standard time read/write

Quick Ordering Info

• Model: SW-5D Time-Base Frequency Instrument
• Standard accessories: output adapter cable, AC power cord, user manual
• Options: GPS antenna and extension cable, RS-232 cable