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Baur
TDR811-P Handheld TDR (Time Domain Reflectometer)


Baur TDR 811P Precision Handheld TDR (Time-Domain Reflectometer) ideal for work on the UK low voltage networks & street lighting networks.

Part Number:
TDR811-P

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Manufacturer's RRP

£1495.00
1794.00 incl. VAT)
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  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support

 

 

 

BAUR TDR 811-P Handheld TDR

  • Complete with 600V mains blocking filter and fused leads (rated 600V CAT IV) and bag
  • One-handed usability
  • Illuminated controls for easy operation
  • Ideal for work on the UK low voltage networks and street lighting networks

 

The BAUR TDR 811-P is a handheld Time Domain Reflectometer (TDR) designed for accurate cable fault location. With a measurement range from 5m to 5500m, it provides exceptional precision using dual cursors and a distance measurement system. 

Its high accuracy of ±1% ensures reliable fault detection, while the resolution of approximately 1% of the selected range guarantees detailed analysis. The device supports a velocity factor from 10% to 99%, allowing users to customise settings for different cable types.

Equipped with multiple output impedance options (25, 50, 75, 100, and 120 ohms), the BAUR TDR 811-P adapts to various network requirements. It delivers a 5V peak output pulse and automatically adjusts pulse duration from 3 ns to 3 µs depending on the selected range. The device operates at a scan rate of 2 scans per second, with the option to hold a scan for analysis.

 

Power, Display, and Usability

Designed for convenience, the BAUR TDR 811-P offers an impressive 7-hour battery life using 4x AA alkaline or NiMH rechargeable batteries. It features an auto power-down function, adjustable between 1 to 15 minutes, helping conserve energy during fieldwork. The 328 x 256 QVGA colour display ensures clear visibility of traces, even in bright outdoor conditions. Its illuminated keypad and intuitive interface allow for effortless operation, even in low-light environments.

 

Built for Harsh Environments and Safety Compliance

Engineered for durability, the BAUR TDR 811-P is IP67-rated, making it resistant to dust and water ingress. It is designed to withstand challenging environments with an operating temperature range of -10°C to +50°C and a storage temperature range of -20°C to +70°C. The voltage protection of up to 250V AC ensures user safety during operations. Additionally, the built-in tone generator (810–1100Hz) facilitates efficient pilot cable tracing.

The device meets IEC 61010-1 and EN 60950 safety standards, along with BS/EN 61326-1 EMC compliance, ensuring reliable performance in demanding conditions. With compact dimensions of 220 x 98 x 58 mm and a weight of just 0.5 kg, it is highly portable without compromising on advanced features.

 

The Ideal Choice for Professionals

The BAUR TDR 811-P and MBF 811 Mains Blocking Filter together offer an unbeatable combination of accuracy, safety, and durability. With its advanced features, rugged design, and user-friendly interface, the BAUR TDR 811-P is the perfect tool for professionals seeking an efficient and portable TDR for fault location.

 

 

Baur TDR 811-P Clear Display for clear results!

  • Colour screen display for clarity
  • 328 x 256 QVGA display

 

Close up image of the Baur TDR811-P Time Domain Reflector

 

Baur TDR811-P Key Features:

  • Range: 5m to 5500m (at VoP 54%)
  • Cursors: Dual cursors with distance measurement
  • Trace-hold and compare function
  • Single-shot or continuous operation
  • Accuracy: ±1% of selected range
  • Resolution: ~1% of range
  • Velocity Factor: 10% to 99% (or in ft/µs or m/µs)
  • Output Pulse: 5V peak into open circuit
  • Output Impedance: 25, 50, 75, 100 & 120 ohms
  • Output Pulse Duration: 3 ns to 3 µs (automatic per range)
  • Scan Rate: 2 scans/sec or scan held
  • IP67-rated for dust and water protection

 

Power and Display:

  • Battery Life: ~7 hours (typical use)
  • Auto Power Down: Selectable (1–15 min) or disabled
  • Compatible with Alkaline or NiMh batteries

 

What comes with the Baur TDR811-P?

  • BAUR TDR 811 Handheld TDR (Time Domain Reflectometer)
  • MBF 811 Mains Blocking Filter
  • TDR Carry Bag
  • Alkaline Batteries
  • TDR / Blocking Filter User Manual

 

Technical Specification for: Baur TDR811-P Handheld TDR (Time Domain Reflectometer)

TDR811-P
Ranges (metres)5, 10, 21, 42, 85, 170, 340, 690, 1380, 2750, 5500 (at VoP 54%)
CursorsDual cursors with a distance measurement between cursors
Accuracy1% of selected range
ResolutionApprox. 1% of range
Velocity FactorFrom 10% to 99%, or equivalent in ft/µs or m/µs.
Output Pulse5V peak into open circuit
Output Impedance25, 50, 75, 100 & 120 ohms
Output pulse3 ns to 3 us, Edge Technology derived, Automatic per range.
Scan Rate2 scans/s or scan held
Battery Life7 hours typical use
Power Supply6 volts, 4 x 1.5 AA Alkaline cells or NMH rechargeable cells
Power DownSelectable 1, 2, 3, 5, 10 and 15 minutes or disabled
Display328 x256 QVGA
Voltage protection250 volts ac Operating (without MBF 811)
Tone Generator810 – 1100Hz for pilot cable tracing
Temperature-10º to +50ºC operating, -20º to +70ºC storage
Dimensions220 x 98 x 58 mm Weight 0.5 Kg
KeypadPositive stop, illuminated.
SafetyIEC 61010-1 EN 60950
EMCBS/EN 61326-1
Protection ClassIP67
MBF 811
Rated Voltage600V Cat IV
Rated frequency50Hz / 60Hz
Fuses1000V, 0.5A, quick, 6.3mm x 32mm
Temperature-10°C to +50°C operating, -20°C to +70°C storage.
Dimensions & weight85mm x 50mm x 29mm, 200g
ProtectionIP54
SafetyCE Compliant to LV Directive (2014/35/EC) and EMC Directive
(2014/30/EC)
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