Shopping Cart

My cart

25 item(s) - USD $696.52
HIOKI INSULATION TESTER IR4056-21, Reading Stability in Medium-speed Digital Format
HIOKI INSULATION TESTER IR4056-21, Reading Stability in Medium-speed Digital Format
HIOKI INSULATION TESTER IR4056-21, Reading Stability in Medium-speed Digital Format
HIOKI INSULATION TESTER IR4056-21, Reading Stability in Medium-speed Digital Format

HIOKI INSULATION TESTER IR4056-21, Reading Stability in Medium-speed Digital Format

0 reviews 0 sold. Only 999 remain
USD $199.70 USD $211.80 -6%
Negotiable (specific conditions to required)
Brands
Product Code: HIOKI_IR4056-21
Stock In Stock
Viewed 3376 times
Ship from South Korea
House Brand unavailable (OEM, ODM, OBM)
Dropshipping available
Seller information
  • HIOKI_SY교역
  • South Korea
  • Premium Partner
  • Seller Rating:    0 Reviews
  • Contact Seller
  • Visit Seller's Store

    • Product Description

    The IR4056 is a 5-range, 50V to 1000V digital insulation resistance tester with efficient functions and features to help shorten work time associated with field insulation testing.

    - 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
    - Stable & medium-speed digital readings, 0.8 second response time of PASS/ FAIL decisions
    - Drop proof onto concrete from 1m (3.28 feet)
    - Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand (Also available in the IR4056-21)
    - Continuity check via 200 mA testing
    - Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles






    Rated output voltage
    		50 V DC
    		125 V DC
    		250 V DC
    		500 V DC
    		1000 V DC
    Effective maximum indicated value
    		100 MΩ
    		250 MΩ
    		500 MΩ
    		2000 MΩ
    		4000 MΩ
    Accuracy 1st effective measuring range MΩ
    		±2 % rdg. ±2 dgt. 0.200 - 10.00
    		±2 % rdg. ±2 dgt. 0.200 - 25.0
    		±2 % rdg. ±2 dgt. 0.200 - 50.0
    		±2 % rdg. ±2 dgt. 0.200 - 500
    		±2 % rdg. ±2 dgt. 0.200 - 1000
    Lower limit resistance
    		0.05 MΩ
    		0.125 MΩ
    		0.25 MΩ
    		0.5 MΩ
    		1 MΩ


    Overload protection
    		600 V AC (10s)                                                                                                    
    		660 V AC (10s)


    DC voltage range
    		4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges, / Accuracy: ±1.3 % rdg. ±4 dgt., Input resistance: 100 kΩ or higher
    AC voltage range
    		420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz, / Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier
    Low resistance range
    		For checking the continuity of ground wiring, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy: ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 Ω or less)
    Display
    		Semi-transmissive FSTN LCD with back lighting, bar-graph indicator
    Response time
    		Approx. 0.8 second for PASS/FAIL decision (based on in-house testing)
    Other functions
    		Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save
    Power supply
    		LR6 (AA) alkaline batteries ×4, Continuous use: 20 hours (Comparator off, backlight off, 500 V range, no load) / Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage)
    Dimensions and mass
    		159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 600 g (21.2 oz) (including batteries, excluding test leads)
    Included accessories
    		[IR4056-20] Test lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4 / [IR4056-21] Test lead set with remote switch L9788-11 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4


    Global Shipping

    ROAExpo provides Global Shipping to over 130+ Countries worldwide.
    All orders are shipped from our Central Logistics Hub, currently operated in South Korea, where ROAExpo directly performs free pre-shipment QQ Inspection (Quality & Quantity Inspection). Additional regional logistics hubs will be expanded globally in the future.

    Available Shipping Methods

    • Sea Parcel – Most economical option for heavy or bulk orders
    • Air Parcel – Balanced option between cost and delivery speed
    • EMS – International postal delivery service
    • FedEx – Fast express courier service
    • UPS – Premium international courier service

    Shipping availability and transit time may vary depending on destination country and local regulations.

    Shipping Cost Calculation

    • Destination Country
    • Total Shipment Weight
    • Selected Shipping Method

    Products from different brands or stores can be combined into one shipment when shipped from the same origin country.
    You can combine products from multiple brands or stores in one cart to reach the USD $150 purchase threshold and receive shipping discounts, as long as the products are shipped from the same origin country.

    The Final Shipping Cost Before Payment is clearly displayed at checkout. There are No Hidden Fees after payment confirmation.

    Shipping Discount Benefits – Global Free Shipping (GFS)

    • Orders over USD $150 with total shipping weight under 3kg may qualify for Free Shipping
    • If total shipping weight exceeds 3kg, customers may receive up to USD $30 Shipping Discount
    • The GFS Coupon (Code: ENJOYGFS-KOR) is automatically issued to eligible members and can be found in the member’s account after login. There is no limit on the number of uses.
    • The GFS coupon may be combined with other promotions or coupons
    • Eligibility may vary depending on product category, shipping method, and stock availability

    Final discounted shipping cost is shown before payment confirmation.
    Seasonal shipping promotions are announced on our homepage banners and member emails.

    Order Processing & Tracking

    All orders undergo free pre-shipment QQ Inspection directly performed by ROAExpo before shipment.
    Once shipped, a Tracking Number will be provided to the customer.

    Delivery time may vary due to customs clearance, local carrier operations, weather conditions, or public holidays.

    Customs & Import Duties

    Import duties, taxes, and customs fees may be charged by the destination country and are the responsibility of the customer unless otherwise stated.

    Customer Support

    ???? cs@roaexpo.com
    ☎️ +82-2-6951-0318 (Available Monday–Friday, 10:00–17:00 KST)

    Authentic Products Guarantee

    All products sold on ROAExpo are Authentic Products sourced directly from Official Suppliers or manufacturers.

    Returns Due to Defect or Shipping Error

    If a product arrives damaged, defective, or incorrect, please contact Customer Support within 7 days of delivery and provide photos or videos as evidence.
    ROAExpo will review the case and provide appropriate resolution, including replacement or refund when applicable.

    Returns for Change of Mind

    Due to international shipping and customs regulations, returns for personal reasons may be restricted.
    In such cases, the customer may be responsible for all return shipping costs and any applicable customs charges.

    Please contact Customer Support before initiating any return shipment.

    Refund Processing

    Refunds are processed after the returned item is received and inspected, or after the claim is verified.
    Refund processing time may vary depending on payment method and financial institutions.

    Non-Returnable Items

    Certain products may not be eligible for return due to hygiene, safety, or manufacturer restrictions.

    Customer Support

    ???? cs@roaexpo.com
    ☎️ +82-2-6951-0318 (Available Monday–Friday, 10:00–17:00 KST)

    [WOOSUNG] Ten Commandments Metal Pen-Ballpoint Pen Writing Instrument Stationery Desk Accessory-Made in Korea
    -20%

    [WOOSUNG] Ten Commandments Metal Pen-Ballpoint Pen..

    Ship from South Korea
    USD $6.79    USD $8.49  
    [WOOSUNG] Gift Set Metal Book Mark (Cross)+Ten Commandments Metal Pen+Refill-Ballpoint Pen Writing Instrument Book Clip Desk Supplies - Made in Korea
    -32%

    [WOOSUNG] Gift Set Metal Book Mark (Cross)+Ten Com..

    Ship from South Korea
    USD $15.48    USD $22.69  
    [Wefun] Snack24 Mega Mixed Snack Set 32P – Extra-Large Korean Sweet & Savory Snack Box
    -22%

    [Wefun] Snack24 Mega Mixed Snack Set 32P – Extra-L..

    Ship from South Korea
    USD $24.12    USD $31.01  
    [thejoen] 50 pieces of sweat absorption hairbands (individual packaging)_Hypoallergenic, absorbent, golf, baseball, tennis, running, cycling, mountaineering, yoga, outdoor activities, disposable _Made in Korea
    -50%

    [thejoen] 50 pieces of sweat absorption hairbands ..

    Ship from South Korea
    USD $18.91    USD $37.82  
    [thejoen] 20 pieces of sweat absorption hairbands (individual packaging)_Hypoallergenic, absorbent, golf, baseball, tennis, running, cycling, mountaineering, yoga, outdoor activities, disposable _Made in Korea
    -40%

    [thejoen] 20 pieces of sweat absorption hairbands ..

    Ship from South Korea
    USD $9.08    USD $15.13  
    [thejoen] 20 pieces of sweat absorption hairbands (25 types)_Hypoallergenic, absorbent, golf, baseball, tennis, running, cycling, mountaineering, yoga, outdoor activities, disposable _Made in Korea
    -36%

    [thejoen] 20 pieces of sweat absorption hairbands ..

    Ship from South Korea
    USD $10.59    USD $16.64  
    [Thejoen] 100 pieces of sweat absorption hairband (bulk) white, navy 1_hypoallergenic, absorbent, golf, baseball, tennis, running, cycling, mountaineering, yoga, outdoor activities, disposable _Made in Korea
    -53%

    [Thejoen] 100 pieces of sweat absorption hairband ..

    Ship from South Korea
    USD $19.67    USD $41.60  
    [Tendergarden] Morning Breeze Room Spray Nr.51 100ml - Fabric Woody Musk White Bergamot Floral Spray - Made in Korea
    -13%

    [Tendergarden] Morning Breeze Room Spray Nr.51 100..

    Ship from South Korea
    USD $39.33    USD $45.38  
    [Tender garden] Hydro Perfumed Body Wash 300ml-premium Moist natural oil body wash-Made in Korea
    -7%

    [Tender garden] Hydro Perfumed Body Wash 300ml-pre..

    Ship from South Korea
    USD $21.17    USD $22.69  
    [Tender garden] Cozy Hug Purfumed Body Cream Nr.61 Sunset Lover 250g-Perfume Shea Butter Oil Moisturizing Body Cream-Made in Korea
    -9%

    [Tender garden] Cozy Hug Purfumed Body Cream Nr.61..

    Ship from South Korea
    USD $36.30    USD $40.08