Catu DT-300 Earth Tester, 2kΩ CAT III
- RS Stock No.:
- 437-803
- Mfr. Part No.:
- DT300
- Brand:
- Catu
Subtotal (1 unit)*
£392.32
(exc. VAT)
£470.78
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 14 unit(s) ready to ship from another location
- Plus 6 unit(s) shipping from 10 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
---|---|
1 + | £392.32 |
*price indicative
- RS Stock No.:
- 437-803
- Mfr. Part No.:
- DT300
- Brand:
- Catu
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | Catu | |
Absolute Maximum Resistance Measurement | 2kΩ | |
Best Accuracy | ±3% + 1 Digit | |
Display Type | LCD | |
Measurement Type | Earth Resistance | |
Safety Category | CAT III | |
Power Source | Mains | |
Weight | 340g | |
Height | 51mm | |
Includes | Extension Reel, Probe | |
Length | 210mm | |
Maximum Operating Temperature | +45°C | |
Model Number p | DT-300 | |
Width | 71mm | |
Minimum Operating Temperature | -15°C | |
Select all | ||
---|---|---|
Brand Catu | ||
Absolute Maximum Resistance Measurement 2kΩ | ||
Best Accuracy ±3% + 1 Digit | ||
Display Type LCD | ||
Measurement Type Earth Resistance | ||
Safety Category CAT III | ||
Power Source Mains | ||
Weight 340g | ||
Height 51mm | ||
Includes Extension Reel, Probe | ||
Length 210mm | ||
Maximum Operating Temperature +45°C | ||
Model Number p DT-300 | ||
Width 71mm | ||
Minimum Operating Temperature -15°C | ||
- COO (Country of Origin):
- FR
Catu Earth & Ground Resistance Tester
The Catu earth and ground resistance tester measure a 1.999kΩ absolute maximum resistance and is having a CAT III safety category. This tester is used to ensure proper operation of the earthing system. It emits a sound signal for continuity checks and directly displays the value on the LED screen. It is also used to measure the electrical characteristics of a system. The measurement of the earth resistance, performed by this device, is based on the measurement principle called "fault loop". The measurement is carried out with an accuracy of (+/-3% +1 digit) on pure resistance, range of 0-200 Ω at 23 °C +/-5°C.
Features and Benefits
Available with a touch point on extension cord of 7m and instructions for use, without a case
Displays the presence of Voltage and the phase position
Measures the earth loop (fault loop) without tripping the circuit breakers: <15 mA
Non-slip coating for a better grip
Once connected to a properly connected installation, the earth value is displayed instantly on the top of the 4-digit LCD display that can indicate earth resistance values ranging between 0 and 100Ω in blue colour digits (at the 100 Ω threshold recommended by NF C 15-100) and between 101Ω and 1999Ω in red colour digits
Operating temperature ranges between -150C and 450C
Total autonomy (without battery)
Two-way use: 2P + T socket or LV switchboard with cord
Displays the presence of Voltage and the phase position
Measures the earth loop (fault loop) without tripping the circuit breakers: <15 mA
Non-slip coating for a better grip
Once connected to a properly connected installation, the earth value is displayed instantly on the top of the 4-digit LCD display that can indicate earth resistance values ranging between 0 and 100Ω in blue colour digits (at the 100 Ω threshold recommended by NF C 15-100) and between 101Ω and 1999Ω in red colour digits
Operating temperature ranges between -150C and 450C
Total autonomy (without battery)
Two-way use: 2P + T socket or LV switchboard with cord
Applications
• Measurement of earth resistance.
• Highlight phase position and check the presence of earthing connection.
• Controls continuity of metal masses (buzzer).
• Highlight phase position and check the presence of earthing connection.
• Controls continuity of metal masses (buzzer).
Features
• Quick reading of conformity due to bicolor LCD Display (blue = OK/ red= no conformity).
• "Default loop" principle using for earth measurement in TT schema.
• Earth measurement with 3 1/2 digits LCD display (from 0 to 1999 Ω).
• Accuracy: ± (3% + 1 digit) for pure resistance, range 0 to 200 Ω at 23°C ± 5°C.
• Show presence of dangerous voltage (400 V - connection between phases).
• Full autonomy: no battery, power supply by plugging on 2P+T outlet.
• "Default loop" principle using for earth measurement in TT schema.
• Earth measurement with 3 1/2 digits LCD display (from 0 to 1999 Ω).
• Accuracy: ± (3% + 1 digit) for pure resistance, range 0 to 200 Ω at 23°C ± 5°C.
• Show presence of dangerous voltage (400 V - connection between phases).
• Full autonomy: no battery, power supply by plugging on 2P+T outlet.
Composition
• 1 device
• 1 roller with 7 m length cord M-921647 (not included in version DT-300-SE).
• 1 user manual
• 1 roller with 7 m length cord M-921647 (not included in version DT-300-SE).
• 1 user manual
Optional Accessories
• Cord for intervention on LV tables M-952271.
Certifications
EN 61557-4
IEC 61010-1
IK06 rated
IP40 rated
NF C15-100
Related links
- Catu DT-170 Earth Tester CAT III
- Chauvin Arnoux ERT201 Earth Tester, 2000Ω CAT III 300 V
- Extech 382357 Earth Tester CAT III 600V V, CAT III-300V V
- Extech 382252 Earth Tester Kit CAT III-1000V
- RS PRO Earth Tester CAT III 300V
- Sefram Earth Tester, 2kΩ CAT III 300V
- RS PRO Earth Tester CAT III 300V RS Calibration
- RS PRO Earth Tester CAT III 300V UKAS Calibration