Martindale PD440SX Proving Unit 440V AC
- Colour Coded Voltage Output
- Durable Overmoulded Boot
- Low Battery Indicator
- Magnetic Hanger Included
- Stepped LED Indication
- Unique CALCHECK Feature
- 440V Proving Unit
- Batteries Included
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Information on the calibration of newly purchased equipment and what it means to you.
Calibration and its certification comes in varying forms on new equipment and in this section, we will break it down into the three areas that we use to classify calibration state at the point of purchase.
Manufacturers Calibration Certificate
This is a calibration certificate offered by the manufacturer supplied with the tester. This is also known as an end-of-line certificate or manufacturer’s certificate. These certificates vary depending on the manufacturer and product. They will not have your company's name on them and don’t always show proven test results.
Where applicable we will include the following statement relating to the item/s on the products page under the heading *Important Calibration Information.
This instrument comes complete with the manufacturer's calibration certificate. Please be aware that these certificates are generic and may also be time-lapsed.
If you would prefer a personalised full traceable calibration certificate applied to the equipment before dispatch, then please select this option from the drop-down menu above, an additional calibration charge will apply.Manufacturers Certificate of Conformity
A manufacturer's certificate of conformity is not a calibration certificate. It is merely a statement that the equipment has been produced to operate within its intended application, it has no traceable certificate or constitutes any defined results for accuracy before leaving the manufacturing process.
Where applicable we will include the following statement relating to the item/s on the products page under the heading *Important Calibration Information.
This instrument comes with a ‘manufacturer's certificate of conformity’. It is important to understand that this does NOT constitute a ‘calibration certificate’. A certificate of conformity merely states that the equipment has been designed and produced to meet the requirements of its intended application.
Where calibration of an instrument is possible we will offer this as a separately purchasable item and may be selected from the drop-down box above. You will be sent a full traceable calibration certificate produced in our laboratory and applied with your details as required.Personalised traceable calibration certificate from isswww
This is a calibration certificate created by us at ISS. This certificate is fully traceable to national and international standards. The certificate will show your company's details, tester information, proven test results and the equipment used to carry out the test. Nearly 90% of all calibrations we do are done in-house in one of our many fully equipped laboratories. You can add this service to your order on the product page before you checkout.
Where applicable we will include the following statement relating to the item/s on the products page under the heading *Important Calibration Information.
We are on occasion able to offer FREE calibration on certain products at their point of sale (newly purchased equipment only) please look out for the following badge on the product's page to take advantage of this free offer.
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Martindale PD440SX Proving Unit 440V AC
With Martindales' unique CALCHECK feature.
Safe electrical working requires using a voltage indicator that has been proven with a suitable proving device before and after use to ensure the instrument is working correctly in accordance with the Electricity at Work Regulations.
With all the benefits of the industry standard Martindale PD440 and PD690 proving units, the new S models come in an overmoulded low-profile case with a magnetic hanger. They are fast and easy to use, instantly supplying the full test voltage for both high and low-impedance voltage indicators, test lamps, and meters.
The SX Series has a unique CALCHECK feature making it easy to verify the insulation and low resistance ranges on 18th Edition multifunction testers, wherever you are working. In addition, the new SX models have stepped voltage LEDs with thresholds matched to most voltage indicators and two pole testers.
CALCHECK makes it easy to verify the insulation and low resistance ranges on 18th Edition multifunction instruments and single-function insulation testers on-site, making it ideal for identifying potential calibration issues with test equipment before certifying a new wiring installation or carrying out a condition report. This is a valuable procedure recognised by electrical contractor assessment bodies to ensure reliable results and avoid unnecessary and expensive retests.
Martindale PD440SX Comes Supplied With:
- MG3 magnetic hanger
- 6 x 1.5V AA alkaline batteries
- Instruction manual
Key Features:
- Ideal for proving low and high-impedance voltage indicators, test lamps, and two pole testers
- Includes MG3 high-strength magnetic hanger
- Colour-coded for voltage output (440V and 690V)
- Tough overmoulded low profile design
- Long battery life with low battery indicator and auto power off
- CALCHECK Feature
Additional features PD440SX and PD690SX
- Unique CALCHECK feature for verifying insulation and low resistance ranges of installation testers
- Stepped voltage output matched to two pole tester thresholds
Which Martindale Proving Unit is right for me?
isswww and Martindale Electric
Founded in 1928 and also owns Edgcumbe Instruments Metrohm® products, as well as the John Drummond Engineers range of test lamps. They are a British-owned company, based in Watford, just 5 minutes from junction 5 of the M1.
Their product range helps electricians and maintenance engineers carry out portable appliance testing, check fixed wiring for 17th Edition and Part P testing, safely prove dead, and measure everything from light and sound levels to microwave leakage and power consumption. We are proud to be able to offer Martindale's products and services and have done so for many years.
| Key Features | Colour Coded Voltage Output, Durable Overmoulded Boot, Low Battery Indicator, Magnetic Hanger Included, Stepped LED Indication, Unique CALCHECK Feature, 440V Proving Unit, Batteries Included | ||||||||||||||||||||||
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| Product Stock Status | Next Day Delivery (subject to availability) | ||||||||||||||||||||||
| Manufacturer | Martindale | ||||||||||||||||||||||
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Updated January 2024
Please note, our cut-off time is 2:00pm
Orders requiring calibration
Whilst we take the greatest care to get all orders dispatched and delivered to you in the stated time frame, orders received PM and requiring calibration may on occasion miss dispatch that day, according to the complexity of the calibration.Be assured they will ship on the next dispatch this in most cases should not add more than 24 hours to your delivery.
Bank/Public Holidays
Predicted delivery times are based on regular trading days Monday to Friday. Public holidays, bank holidays and weekends are outside the usual scopeof our dispatch and subject to activities/holidays of our carriers and therefore may incur additional days lead time to your order.
*UK Mainland (Revised March 2021)
| Service | Price |
| Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value OVER £75.00 ex VAT | FREE |
| Standard FREE 2-3 Day Courier Delivery – UK Mainland only - Zones A & B - Order value UNDER £75.00 ex VAT | £4.95 |
| Next WORKING Day (excludes Saturdays, Sundays and public holidays) – UK Mainland only - Zones A & B - ANY order value - Order by 2:00pm | £7.75 |
| Saturday ANYTIME Delivery - Order by 2:00pm | £9.95 |
Delivery Surcharges
Because of the high cost of carriage, we regretfully need to apply a surcharge on all deliveries made in the following regions:
- Zones A & B - Mainland delivery rates apply.
- Zone C - Scottish Highlands (Charges are calculated at the checkout).
- Zone D - Outer Hebrides, Orkney Isles, Shetland Isles, Isle of Man, Scilly Isles, and Channel Islands (Charges are calculated at the checkout).
- Zone E - Northern Ireland (Charges are calculated at the checkout).
- Zone F - Republic of Ireland (Charges are calculated at the checkout).
Offshore Services
All offshore deliveries are a 3-4 day service as standard. This includes Channel Islands, Northern & Southern Ireland, Scottish Islands, Isle of Man and the Scilly Isles.
International delivery
International delivery charges are automatically added to your order at the checkout. For any questions regarding international deliveries please contact us at sales@isswww.co.uk
Export
All export inquiries should be directed to the export division before placement of order.
If no shipping option is available to your selected country please call us FREE on 0800 0224 060 to discuss your requirements.
All stated prices are subject to VAT at the current rate where applicable.
E&OA