Description
Kyoritsu KEW 4105A Earth Tester Price in Bangladesh
The Kyoritsu KEW 4105A Earth Tester Price in Bangladesh is ৳36,000 at astzbd.com, giving electricians and safety inspectors a genuine, Japan-made instrument for accurate earth resistance and earth voltage testing. If you’ve been comparing a Digital Earth Tester Kyoritsu Bangladesh suppliers list against unbranded imports, the KEW 4105A stands out with 2mA breaker-safe testing and a direct-reading digital display built for real fieldwork.
Kyoritsu KEW 4105A Full Specification
| Parameter | Specification |
|---|---|
| Measurement Method | 3-pole and 2-pole earth resistance |
| Earth Resistance – Measuring Range | 20Ω / 200Ω / 2000Ω (0.00–1999Ω) |
| Earth Resistance – Display Range | 0.00–19.99Ω / 0.0–199.9Ω / 0–1999Ω |
| Earth Resistance – Accuracy | ±2% rdg ±0.1Ω (20Ω range), ±2% rdg ±3 dgt (200Ω/2000Ω ranges) |
| Earth Voltage – Measuring Range | 0–200V AC (50/60Hz) |
| Earth Voltage – Display Range | 0.0–199.9V |
| Earth Voltage – Accuracy | ±1% rdg ±4 dgt |
| Test Current | 2mA (safe with ELCB/RCCB-protected circuits) |
| Overload Protection | Earth resistance: 280V AC (10 sec) · Earth voltage: 300V AC (1 min) |
| Applicable Standards | IEC 61010-1 CAT III 300V Pollution Degree 2, IEC 61010-2-030, IEC 61557-1/5, IEC 60529 (IP54) |
| Power Source | R6 (AA) 1.5V × 6 |
| Dimensions | 105(L) × 158(W) × 70(D) mm (including case lid) |
| Weight | Approx. 550g (including batteries and case lid) |
| Country of Origin | Japan |
Kyoritsu KEW 4105A Earth Tester Overview – Reliable Grounding Resistance Testing
Grounding faults don’t announce themselves until something fails, which is why a dependable earth tester belongs in every electrician’s kit. The KEW 4105A uses Kyoritsu’s latest circuit design to minimize interference from earth voltage and auxiliary spike resistance, so readings stay stable even on noisy urban sites. It’s built for the field, not the lab bench, and that shows in how quickly it delivers a usable result.
Kyoritsu Earth Tester Bangladesh – Key Features
2-Pole & 3-Pole Earth Resistance Testing
The KEW 4105A switches between the precision 3-pole method for full earth electrode verification and a simplified 2-pole method when driving auxiliary spikes isn’t practical, covering both detailed audits and quick field checks.
ELCB/RCCB-Safe Testing (2mA Test Current)
Its 2mA measuring current lets you test earth resistance on live circuits without tripping the earth leakage breaker, so you’re not shutting down a panel just to confirm a grounding value.
IP54 Dust & Splash-Proof Design
Rated to IEC 60529 IP54, the case shrugs off dust and light rain on outdoor sites — substations, rooftops, and construction grounds included — without needing extra protective gear.
Large LCD Display for Field Readability
Values are read directly off a clear digital display, backed by an OK lamp that confirms your C and P terminal connections before you trust the number in front of you.
How Does an Earth Tester Work? – 2-Pole vs 3-Pole Method
The 3-pole method drives two auxiliary earth spikes into the ground at set distances from the electrode under test, then measures resistance through the resulting current loop — this is the standard for verifying a new or existing earth electrode from scratch. The 2-pole method instead references a known, low-resistance earth point (like a nearby water pipe or existing ground bus) and skips the spikes entirely, trading some precision for speed. Electricians typically use 3-pole for commissioning and periodic audits, and 2-pole for fast go/no-go checks during maintenance rounds.
Digital Earth Tester Kyoritsu Bangladesh – Why Professionals Choose the KEW 4105A
Kyoritsu has built earth testers for the Japanese electrical market for decades, and that experience shows in details easy to overlook until they matter: stable readings near power lines, a case that survives being dropped in a site bag, and a warning system that flags bad auxiliary spike placement before it corrupts your result. For a Digital Earth Tester Kyoritsu Bangladesh electricians can rely on daily, those small reliability details add up over years of fieldwork.
Kyoritsu KEW 4105A vs Basic Earth Testers – Comparison Table
| Feature | Basic Analog Earth Tester | Kyoritsu KEW 4105A |
|---|---|---|
| Reading Type | Manual needle, operator-dependent | Direct digital LCD |
| Breaker-Safe Testing | Rarely rated for live ELCB circuits | 2mA, ELCB/RCCB-safe |
| Weather Protection | Minimal to none | IP54 dust and drip-proof |
| Connection Verification | Not available | Built-in OK lamp check |
| Brand Reliability | Varies widely | Genuine Kyoritsu, Japan-made |
For a closer look at a higher dust-and-water-rated alternative, the Hioki FT6031-50 Earth Tester is worth comparing directly:
| Parameter | Kyoritsu KEW 4105A | Hioki FT6031-50 |
|---|---|---|
| Measurement Range | 20Ω / 200Ω / 2000Ω | 20Ω / 200Ω / 2000Ω |
| Earth Resistance Accuracy | ±2% rdg ±0.1Ω to ±3 dgt | ±1.5% rdg ±4–8 dgt |
| Earth Voltage Range | 0–200V AC | 0–30V rms |
| Protection Rating | IP54 | IP65/IP67 |
| Safety Category | CAT III 300V | CAT IV 100V / CAT III 150V / CAT II 300V |
| Bluetooth Data Transfer | Not available | Optional (Z3210 adapter) |
| Best For | Wider earth voltage range, lower cost | Fully submersible outdoor sites, tighter resistance accuracy, wireless reporting |
Both are genuine Japanese instruments carried at astzbd.com — the KEW 4105A wins on earth voltage range, while the FT6031-50 pulls ahead on water resistance, resistance accuracy, and wireless reporting. Check the Hioki FT6031-50 price in Bangladesh page for current stock and pricing.
Kyoritsu KEW 4105A Earth Tester Price in Bangladesh
The Kyoritsu KEW 4105A Price in Bangladesh is ৳36,000 at astzbd.com, reflecting genuine Kyoritsu manufacturing backed by full accessories — test leads, auxiliary spikes, and a carrying case — rather than a stripped-down grey import.
What Affects the Price
Precision earth resistance accuracy, IEC 61010-1/IEC 61557 safety certification, and genuine Japan-made construction all add real cost compared to uncertified analog testers. Import duties and after-sales support commitments from an authorized reseller factor in too.
Why Buy Genuine Kyoritsu from astzbd.com
astzbd.com sources authentic Kyoritsu instruments with manufacturer-backed reliability, protecting you from recalibrated or counterfeit units sold without proper documentation by unverified sellers.
Who Should Buy the Kyoritsu KEW 4105A Earth Tester?
Electricians & Substation Engineers
Routine earth resistance audits on distribution panels and substations need a tester that won’t trip breakers mid-test — the 2mA current handles that without taking a circuit offline.
Telecom Tower & Lightning Protection Installers
Tower grounding systems depend on verified low-resistance earth paths; the 3-pole method gives installers a defensible, documented reading for compliance sign-off.
Solar Installation Technicians
Solar arrays need confirmed grounding before commissioning, and the KEW 4105A’s IP54 rating means outdoor rooftop testing isn’t derailed by dust or a light drizzle.
Industrial Maintenance Teams
Scheduled maintenance rounds benefit from the fast 2-pole check, letting teams confirm grounding integrity across multiple points without setting up spikes at every one.
How to Use the Kyoritsu KEW 4105A – Testing Guide
- Select the measurement method — 3-pole for full verification or 2-pole for a quick reference check
- For 3-pole testing, drive the auxiliary earth spikes into the ground at the recommended distance from the electrode under test
- Connect the test leads to the E, P, and C terminals as required by the selected method
- Confirm the OK lamp is lit, verifying auxiliary spike resistance and connections are within tolerance
- Turn the rotary switch to the appropriate range (20Ω, 200Ω, or 2000Ω) and read the value directly from the LCD
- Switch to the Earth Voltage setting if you need to check for stray voltage before finalizing the resistance reading
Kyoritsu KEW 4105A Earth Tester FAQ
What is the price of Kyoritsu KEW 4105A in Bangladesh?
The Kyoritsu KEW 4105A Price in Bangladesh is ৳36,000 at astzbd.com.
Can the KEW 4105A test earth resistance without tripping a breaker?
Yes, its 2mA test current is designed to work safely on ELCB/RCCB-protected circuits without causing a trip.
What’s the difference between the 2-pole and 3-pole method?
The 3-pole method uses two auxiliary earth spikes for a precise, standalone measurement, while the 2-pole method references an existing low-resistance earth point for a faster, simplified check.
Is the Kyoritsu KEW 4105A waterproof?
It’s rated IP54, meaning it resists dust and light splashing, but it isn’t designed for submersion or heavy rain exposure.
How does the KEW 4105A compare to the Hioki FT6031-50?
The KEW 4105A offers a wider earth voltage range, while the FT6031-50 offers a higher IP65/IP67 water resistance rating, slightly tighter resistance accuracy, and optional Bluetooth reporting.
Warranty & After-Sales Support (astzbd.com)
Every Kyoritsu KEW 4105A purchased from astzbd.com comes with manufacturer-backed reliability and dedicated after-sales support, ensuring accurate earth resistance testing wherever your fieldwork takes you.
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