MOHAMMAD MAHDI Electronics Trading LLC
Kyoritsu KEW 3021A Digital Insulation / Continuity Tester
Brand:
Kyoritsu
SKU:
3941
The Kyoritsu KEW 3021A is a fast digital insulation and continuity tester offering four insulation test voltages (125, 250, 500 and 1000 V) up to 2000 MΩ, 200 mA continuity testing and AC voltage measurement in one unit. A PASS/FAIL comparator with buzzer, 0 Ω adjustment, memory for 99 readings and a backlit LCD, rated CAT III 600 V, make it a versatile everyday tester.
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Description
Overview
The Kyoritsu KEW 3021A is a multifunction digital insulation and continuity tester that combines three functions in one unit: insulation testing at four voltages (125, 250, 500 and 1000 V), continuity testing with 200 mA test current, and AC voltage measurement. It delivers fast test results — around 2.5 times faster than earlier models — and measures insulation resistance up to 2000 MΩ. A PASS/FAIL comparator with buzzer, 0 Ω adjustment on the continuity range, memory for up to 99 readings and a backlit LCD make it easy and efficient to use, and it is rated CAT III 600 V.
Key Features
- Four insulation test voltages: 125 / 250 / 500 / 1000 V up to 2000 MΩ.
- Fast response — about 2.5× quicker than predecessor models.
- Continuity test at 200 mA with 0 Ω adjustment.
- AC voltage measurement to 600 V.
- PASS/FAIL comparator, 99-reading memory, backlit LCD; CAT III 600 V.
Applications
- Insulation-resistance testing of wiring, cables and equipment.
- Continuity and bonding checks during installation and maintenance.
- Routine electrical safety testing and fault-finding.
What’s in the Box
- Kyoritsu KEW 3021A insulation / continuity tester
- Test leads
- Carrying case
- Batteries
- Instruction manual
Why buy from MME in UAE
MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of Kyoritsu test and measurement equipment in the UAE. We offer genuine products, competitive pricing, fast local delivery across Dubai, Abu Dhabi and the wider UAE, and knowledgeable after-sales support. 
Download the datasheet
Manual
Manual
specifications
specifications
Kew 3021A Specifications
| Parameter | Details |
| Test Voltage | 125/250/500/1000V |
| Measuring Range (Auto Range) |
4.000/40.00/200.0 MΩ (125V), 4.000/40.00/400.0/2000 MΩ (250/500/1000V)
|
| Mid-Scale Value | 5 MΩ (125/250V), 50 MΩ (500V/1000V) |
| First Effective Measuring Range |
0.2 – 20 MΩ (125V), 0.2 – 40 MΩ (250V), 0.2 – 200 MΩ (500V), 0.2 – 1000 MΩ (1000V)
|
| Accuracy (First Range) | ±2% rdg ±6 dgt |
| Second Effective Measuring Range (Lower) | 0.110 – 0.199 MΩ |
| Second Effective Measuring Range (Upper) |
20.01 – 200.0 MΩ (125V), 40.01 – 2000 MΩ (250V), 200.1 – 2000 MΩ (500V), 1001 – 2000 MΩ (1000V)
|
| Accuracy (Second Range) | ±5% rdg ±6 dgt |
| Rated Current | DC 1 – 1.2 mA |
| Output Short Circuit Current | 1.5 mA max |
| Applicable Standards |
IEC 61010-1 CAT III 600V, IEC 61557-1,2,4, IEC 61326-1 (EMC), IEC 60529 (IP40)
|
| Power Source | R6 × 6 or LR6 × 6 |
| Dimensions / Weight | 105(L) × 158(W) × 70(D) mm / 600 g approx. |
| Included Accessories |
7150A (Remote control switch set), 9121 (Shoulder strap), R6 (AA) × 6, Instruction Manual
|
| Optional Accessories | 8923 (Fuse [0.5A/600V]), 9089 (Carrying Case) |
Reviews (2)
2 reviews for Kyoritsu KEW 3021A Digital Insulation / Continuity Tester
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Joshua –
I like it
mohammadjasem –
The Kyoritsu Kew 3021a is incredibly reliable and user-friendly for all my insulation testing needs.