Kewtech KT300DL Insulation, Continuity & SPD Tester
Essential electrical checks. Dedicated SPD testing. Practical hands-free operation.
Keep installation testing and maintenance moving with the Kewtech KT300DL Insulation, Continuity & SPD Tester. Choose from five insulation test voltages, check continuity with an audible tone and test surge protection devices using the dedicated SPD function. Its 30 kΩ continuity range also supports the verification of extraneous conductive parts, extending its usefulness across electrical inspection work.
A hands-free function and magnetic hanger help you manage testing at metal distribution boards, leaving your hands available for the test leads. Compact and weighing approximately 450 g, the KT300DL combines practical test functions with a portable design and a supplied carry case.
Request a quote for the Kewtech KT300DL today. Ask for pricing and availability, and tell us the quantity you need for your team.
▶ Reasons to buy the Kewtech KT300DL:
Kewtech KT300DL Key Features:
- Five insulation test voltages: Select 50, 100, 250, 500 or 1,000 V to suit the test requirement
- Dedicated SPD testing: Includes a non-degrading test function for surge protection devices
- Extended continuity range: Measure up to 29.99 kΩ, with a 30 kΩ range provided for verifying extraneous conductive parts
- Audible continuity indication: Continuity testing with a tone and buzzer mode supports straightforward checks
- Test lead null facility: Compensate for test lead resistance, with a specified zero-offset adjustment of 5 Ω
- Hands-free function: Helps you manage the instrument while positioning test leads
- Magnetic hanger: Supports the tester on metal distribution boards for convenient positioning
- Voltage present indication: A warning LED indicates voltage above 25 V
- Automatic power-off: Helps conserve battery power between testing tasks
Why Choose the Kewtech KT300DL?
✓ Bring insulation, continuity and SPD checks together
The KT300DL combines established insulation and continuity functions with dedicated SPD testing. Five insulation voltage settings provide flexibility, while the extended continuity range supports additional checks on extraneous conductive parts. It is a practical choice for electricians who need a focused instrument for installation testing and maintenance.
✓ Make testing at distribution boards easier to manage
Position the tester using its magnetic hanger and use the hands-free function to keep your hands available for the leads. Audible continuity indication and test lead null add useful support during routine measurements, while the compact body and carry case make the instrument convenient to transport between jobs.
What Comes with the Kewtech KT300DL?
- Kewtech KT300DL Insulation, Continuity & SPD Tester
- ACC020 Two-Wire Test Lead Set with Red and Black Leads
- Crocodile Clips and Probes
- Carry Case
- 4 x AA LR6 Batteries
- Instruction Manual
Specifications:
| Features | |
| Insulation, Continuity and SPD Testing |
| Insulation test voltages | 50, 100, 250, 500 and 1,000 V |
| Insulation resistance range at 1,000 V | 0.01 to 999 MΩ, auto-ranging |
| Insulation accuracy at 1,000 V and 20 °C | ±(3% + 1 digit) from 0.01 to 399 MΩ; ±(6% + 1 digit) from 400 to 999 MΩ |
| Insulation test output current | 1 mA at the specified load for each test voltage |
| Typical insulation test time at 10 MΩ | Less than 2 seconds |
| Continuity measurement range | 0.00 Ω to 29.99 kΩ |
| Continuity open-circuit voltage | Greater than 4 V and less than 10 V |
| Audible continuity indication | ✓ |
| Test lead null adjustment | 5 Ω |
| SPD test | ✓ Non-degrading test function |
| Breakdown voltage function | ✓ |
| Operating Features, Power and Safety |
| Hands-free function | ✓ |
| Magnetic hanger | ✓ For positioning on metal distribution boards |
| Voltage present warning LED | ✓ Above 25 V |
| Automatic power-off | ✓ |
| Power supply | 4 × AA LR6 batteries |
| Specified battery life | 50 hours |
| Overvoltage categories | CAT III 500 V / CAT IV 300 V |
| Probes | GS38 compliant |
| Safety compliance | BS EN 61010-2-030:2010 |
| EMC compliance | BS EN 61326-2-2:2013 |
| Performance standards | BS EN 61557-1:2007, BS EN 61557-2:2007 and BS EN 61557-4:2007 |
| Environmental and Physical Specifications |
| Operating temperature | 0 to 40 °C |
| Storage temperature | −10 to 60 °C |
| Operating humidity | 80% at 31 °C, reducing to 50% at 40 °C |
| Dimensions | 180 × 85 × 50 mm |
| Weight | Approximately 450 g |
❓ Frequently Asked Questions (FAQ)
Q1: Which insulation test voltages does the Kewtech KT300DL provide?
A. The KT300DL provides five insulation test voltages: 50, 100, 250, 500 and 1,000 V. At the 1,000 V setting, the specified insulation resistance range extends to 999 MΩ.
Q2: Can the KT300DL test surge protection devices?
A. Yes. It includes a dedicated non-degrading SPD test function for surge protection devices.
Q3: What is the 30 kΩ continuity range used for?
A. The extended continuity range supports the verification of extraneous conductive parts. The specified measurement range reaches 29.99 kΩ.
Q4: How does the KT300DL differ from the earlier KT300?
A. The KT300DL adds an SPD test function and a 30 kΩ continuity range for verifying extraneous conductive parts.
Q5: Does the KT300DL support hands-free testing?
A. Yes. It includes a hands-free function and a magnetic hanger for positioning the instrument on metal distribution boards, helping keep your hands available for the test leads.
Get a Quote for the Kewtech KT300DL
Bring five insulation test voltages, extended continuity measurement and dedicated SPD testing into your equipment kit. Request your Kewtech KT300DL quotation and tell us your required quantity and delivery requirements.
▶ Kewtech Single Function Range:
