Model 940A Timing System Analyzer

Model 940A Timing System Analyzer

Reads, analyzes, and sources IRIG-B. The comprehensive instrument for power substation timing.

 

Model 940A Timing System Analyzer is a comprehensive instrument for power substation timing. Intuitive and easy to use, the Model 940A is designed to simplify timing system installation and maintenance. Capable of measuring and sourcing IRIG-B, DCF77, and 1PPS timing signals, the Model 940A is a must have tool for substation timing systems.

The Model 940A uses two identical input channels capable of measuring IRIG-B (unmodulated, modulated and modified manchester), DCF77 and 1 PPS timing signals. The timing signals are decoded and displayed as text and/or graphically showing the complete timing signal down to the IRIG-B bit level. The dual inputs allow for comparison to a calibrated signal or between different signal generators. The Model 940A Timing System Analyzer is also equipped with an output that can source modulated IRIG-B, unmodulated IRIG-B, 1 PPS and DCF77. Output levels, modulation ratios, and the timing reference are configurable. The flexibility to synchronize the timing reference to Input 1, Input 2, the internal Real Time Clock, or a user customized setting makes the 940A suitable to test any timing scenario.

  • Two input channels.
  • One customizable source channel.
  • Measures:
    • IRIG-B unmodulated
    • IRIG-B modulated
    • IRIG-B modified manchester
    • DCF77
    • 1 PPS
  • Industrialized display glass protects the 800 x 480 color TFT capcitive touchscreen.
  • Long life lithium-ion battery
  • Built-in LED flashlight.

I/O Configuration

Output Connectors

One, BNC female

Output Signals

  • IRIG-B modulated
  • IRIG-B unmodulated
  • DCF77
  • 1 PPS

Level: 1 Vdc to 15 Vdc, 1 Vpk to 10 Vpk
Drive: 125 mA at 5 V
Time Reference: Input 1, Input 2, Real Time Clock, or User

Input Connectors

 Two, BNC female

Input Signals

  • IRIG-B modulated
  • IRIG-B unmodulated
  • IRIG-B modified manchester
  • DCF77
  • 1 PPS

Level: 25 Vpk maximum
Impedance: selectable: high impedance, 50 ohms, or 100 ohms.

Interface

Operator

Display
  • 800 x 480 color TFT capacitive touchscreen, backlit
  • Single or Dual Timing Signals
  • Data and/or Waveform
Functions

Real Time Clock: Reference to Input 1, Input 2, or User

Power Requirements

Standard

Voltage

Internal Battery

  • Type: Li-ion (9000 mAh capacity)
  • Operation: 24 hours typical
  • Charge: 8 hours to 12 hours with unit off

External Power

  • Voltage: + 5 Vdc
  • Current: 1 A
Inlet

 Micro USB

General

Fashlight: Built in LED

Audio: Indicator tone (enable/disable)

Physical

Size

204.7 mm x 166.5 mm x 48.5 mm (8.1 in x 6.6 in x 1.9 in)
381 mm x 305 mm x 229 mm, (15 in x 12 in x 9 in), shipping

Weight

 0.6 kg (1.4 lbs), maximum
2.5 kg (5.5 lbs), shipping

Environmental

Temperature

Operating: - 10 °C to + 50 °C
Charging: 0 °C to + 45 °C
Nonoperating: - 40 °C to + 75 °C

Humidity

Noncondensing

There are no additional Options available for this product.
Included
AP0008900 1 BNC (Female) Breakout to 100 mm Wires
AP0014900 1 BNC (Female) Breakout to Screw Terminal
AP0015300 External Power Supply, + 5 Vdc
CA0033700 Micro USB Cable, 6 ft
CA0033808 BNC Patch Cable (M-M) 2.5 m (8 ft)
CN0003500 BNC T-Connector (F-M-F)
CN0019202 Mating Connectors, 2-pole, 5 mm
HD0086000 Soft Carrying Case (940A)
Available
AP0003400 1 BNC (Male) Breakout to 100 mm Wires
AP0015000 1 BNC (Male) Breakout to Screw Terminal
CN0003400 BNC Barrel Connector (F-F)

1 Converts pair of wires to BNC.

No software downloads available for this product
 
No additional software information is available for this product
No firmware Downloads are available for this product
 
No additional firmware information is available for this product

IRIG-B Time Code Accuracy, IED and System Design Issues
Download irig_accuracy_and_connection_requirements.pdf (31 kB) »

IRIG Standard 200-16
Download irig-b_200-16.pdf (857 kB) »

IRIG-B Specifications
Download irig_b_spec_brief.pdf (488 kB) »

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