Advanced resistivity Meter with Precise Measurement tools
instruments for investigating groundwater
- Bluetooth technology, wireless remote control: The tablet PC can control the WDA-1/WDA-1B mainframe up to 10
meters away using Bluetooth technology. It makes all tasks, such as
setting parameters, starting measurements, displaying results, and
saving data, easier.
- Tablet PC operate, powerful function:All activities, including parameter setting, data display, storage,
and curve drawing, may be completed on a tablet PC, making data
processing easier and more apparent.
- Grounding resistance check: This function allows the operator to determine the ground condition
of each electrode.
- Fault diagnoses:The diagnostic application instantly detects faults and locates
damaged parts.
- Sealed configuration:Featuring a waterproof, dust-proof design and a long lifespan.
- Light and flexible: The modern transmitter and receiver are designed as one unit with a
small dimension and light weight. The built-in (only WDDS-3C) 200V
high-voltage power supply allows you to easily handle the majority
of survey work without the need for an additional bulky battery
box.
- Large power supply, wide range, high precision: 6000W (1200V * 5A) power supply capacity, 100Vp-p wide voltage
input range, high accuracy measurement of small signals, allowing
equipment to perform effectively in high resistance locations and
providing access to deeper and better measurement results.
Built-in high-voltage part:
① Output voltage: display transmitting voltage amplitude of built-in high-voltage
power supplybattery.
② Voltage selection: 50V, 100V, 150V, 200V for option.
③ Overload: overheating, over-current indicator.
④ 48V battery charger: charging socket of built-in battery, charge the built-in
high-voltagepower supply battery of the instrument.
⑤ Power: built-in high-voltage power supply switcher.
| Receiving Unit |
| Voltage channel | ±50V, ±0.2% ±1LSB, 24-bit A/D |
| Maximum sampling resolution of voltage | 0.01μV |
| Input impedance | ≥50MΩ |
| SP compensation range | ±10V |
| Current channel | 5A, ±0.2% ±1LSB, 24-bit A/D |
| Maximum sampling resolution of current | 0.02μA |
| Suppression | ≥80dB for 50Hz industrial frequency (common mode interference or
differential mode interference) |
| Transmitting Unit |
| Maximum transmitting power | 6000W |
| Maximum supply voltage | ±1200V (2400Vp-p) |
| Maximum supply current | ±5A (10Ap-p) |
| Pulse waveform of power supply | duty cycle is 1:1, bipolar |
| Others |
| Instrument power source (WDDS-2C) | built-in 7.4V 5.2Ah lithium battery (or external 12V power supply) |
| Instrument power source (WDDS-3C) | built-in 7.4V and 48V lithium battery (or external 12V power
supply) |
| Mainframe interface | A, B, M, N, DC high voltage, external battery, charger, Bluetooth,
and USB, etc |
| Built-in high-voltage power supply (only WDDS-3C) | Max current: 300mA, voltage options: 50V, 100V, 150V, 200V |
| Working temperature | -10℃ to +50℃, 95% RH |
| Storage temperature | -20℃ to +60℃ |
| Weight (WDDS-2C) | ≤4.2 Kg |
| Weight (WDDS-3C) | ≤5.7 Kg |
| Dimensions (L×W×H) (WDDS-2) | 270mm x 246mm x 175mm |
| Dimensions (L×W×H) (WDDS-3) | 350mm x 270mm x 200mm |
FAQ
Q1: What is the WDDS-2C/3C digital resistivity meter?
A: The WDDS-2C/3C digital resistivity meter is a new generation of
DC resistivity equipment developed by BTSK. It adopts 32-bit
microcontroller technology and 24-bit A / D technology, making it
highly accurate and reliable. It is designed for metal and
non-metal mineral resources detection, city geophysical
exploration, railway and bridge inspection, hydrology, and
engineering geology exploration.
Q2: What are the key features of the WDDS-2C/3C digital resistivity
meter?
A: The WDDS-2C/3C digital resistivity meter is light and flexible,
with an advanced transmitter and receiver designed in one unit. It
has a small size and is lightweight with a built-in 200V
high-voltage power supply (only for WDDS-3C), so you can easily
cope with most of your survey work without the need for an
additional bulky battery box. It has high-precision, with 6000W
(1200V * 5A) power supply capacity, 100Vp-p of the wide voltage
input range, and it provides highly accurate measurement of small
signals, so that it can be used in high resistance areas, enabling
you to obtain deeper and better measurement results.
Q3: What types of applications is the WDDS-2C/3C digital
resistivity meter suitable for?
A: The WDDS-2C/3C digital resistivity meter is suitable for a wide
range of applications, such as mineral resource detection,
geophysical exploration, engineering geology, and hydrology
exploration. It can be used for seeking ground water, inspecting
dam base and flood protection levee for incipient faults,
geothermal prospecting, and more.
Q4: Does the WDDS-2C/3C digital resistivity meter have
anti-interference function?
A: Yes, the WDDS-2C/3C digital resistivity meter has an integrated
electrical interference suppressor function, and it also has a
super anti-interference of common-operation. The transmitting unit
supports over-voltage protection.
