£125.50

It has never been this cheap. We have no record of a lower price.

£126 today · cheaper than every other day in the last 3 months

Martindale PD440S 440V AC Proving Unit - Voltage Tester

View at Amazon

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 49 days · 49 data points (no recent data)

Historical
Generating forecast…
£125.50 £119.23 £121.74 £124.25 £126.76 £129.27 £131.78 19 July 2026 31 July 2026 12 August 2026 24 August 2026 05 September 2026
View at Amazon ↗

PD440S

Price data last checked 42 day(s) ago - refreshing...

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↑ Price chart
when this has been cheap or pricey
↑ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price Distribution

Price distribution over 49 days • 1 price levels

Days at Price
49 days 0 12 25 37 49 £126 Days at Price

Price Analysis

Most common price: £126 (49 days, 100.0%)

Price range: £126 - £126

Price levels: 1 different prices over 49 days

Description

Ensure safe electrical working with the Martindale PD440S 440V AC Proving Unit. Designed to comply with Electricity at Work Regulations, this device allows you to prove the operation of voltage indicators and test lamps both before and after use. This model serves as a direct replacement for the industry standard PD440, with a voltage output matched to the VI13800, MTL10, and MTL20 Drummond test lamps, as well as other 440V testers. The PD440S features a tough, over moulded low profile design for durability in professional environments. It is an essential tool for implementing effective safe isolation procedures, providing reliability and peace of mind during electrical testing tasks.

Key Features

The Martindale PD440S safely and simply proves the operation of voltage indicators and test lamps up to 440V.

This unit is essential for implementing effective safe isolation procedures in accordance with Electricity at Work Regulations.

The tough over moulded low profile design provides increased durability and protection during use.

Enjoy long battery life with a built-in low battery indicator to ensure the device is ready when needed.

Includes a Mag3 high strength magnetic hanger for convenient placement and hands-free operation.

Product Specifications

Barcode

No barcode data available

Similar Products You Might Like

Martindale PD690S 690V AC Proving Unit with Mag3 Hanger
99% match

Martindale PD690S 690V AC Proving Unit with Mag3 Hanger

Martindale

£132.50 03 Sep 2026
Martindale VT12PD-S Voltage Tester and Proving Unit Kit
98% match

Martindale VT12PD-S Voltage Tester and Proving Unit Kit

Martindale

£174.00 12 Sep 2026
Martindale VT25PD-S Voltage Tester and Proving Unit Kit
98% match

Martindale VT25PD-S Voltage Tester and Proving Unit Kit

Martindale

£186.00 12 Sep 2026
Martindale PD690SRD 690V AC/DC Proving Unit - 5 Ranges
97% match

Martindale PD690SRD 690V AC/DC Proving Unit - 5 Ranges

Martindale

£166.40 12 Sep 2026
Martindale PD240 Proving Unit and Kewtech R2 Socket Adaptor
97% match

Martindale PD240 Proving Unit and Kewtech R2 Socket Adaptor

Martindale

Price unavailable
Martindale PD240 Proving Unit and VI13800 Voltage Indicator
97% match

Martindale PD240 Proving Unit and VI13800 Voltage Indicator

Martindale

Price unavailable
BENNING 050316 ST 725 Appliance Tester - Equipment Tester
97% match

BENNING 050316 ST 725 Appliance Tester - Equipment Tester

BENNING

£686.00 26 Aug 2026
Martindale PD240 Proving Unit and VT25 Voltage Tester Kit
97% match

Martindale PD240 Proving Unit and VT25 Voltage Tester Kit

Martindale

Price unavailable
Martindale PD230SRD 230V AC/DC Proving Unit - 3 Ranges
97% match

Martindale PD230SRD 230V AC/DC Proving Unit - 3 Ranges

Martindale

£100.80 06 Sep 2026
Di-LOG 690V AC Proving Unit Safety Checking of Voltage Indicators Compact Proving Unit for Safe Isolation
97% match

Di-LOG 690V AC Proving Unit Safety Checking of Voltage Indicators Compact Proving Unit for Safe Isolation

Di Log

£105.85 02 Sep 2026
Proster Non-Contact Voltage Tester - 12V-1000V AC Detector
96% match

Proster Non-Contact Voltage Tester - 12V-1000V AC Detector

Proster

£11.59 09 Sep 2026
Martindale PD690S-C 690V AC Proving Unit with TC71 Case
96% match

Martindale PD690S-C 690V AC Proving Unit with TC71 Case

Martindale

£154.00 12 Sep 2026
Martindale PD240 Proving Unit and VT12 Voltage Tester Set
96% match

Martindale PD240 Proving Unit and VT12 Voltage Tester Set

Martindale

Price unavailable
Chauvin Arnoux MX1 Test Equipment Multimeter, Cat. III 600V, IP 65
96% match

Chauvin Arnoux MX1 Test Equipment Multimeter, Cat. III 600V, IP 65

CHAUVIN ARNOUX

£202.80 02 Sep 2026
Metrel MD 9016 Digital Multimeter - Compact PC Communication
96% match

Metrel MD 9016 Digital Multimeter - Compact PC Communication

Metrel

£173.99 28 Aug 2026
KAIWEETS HT100 Non-Contact Voltage Tester - 12V-1000V
96% match

KAIWEETS HT100 Non-Contact Voltage Tester - 12V-1000V

KAIWEETS

£10.99 29 Aug 2026
Kewtech KEW3PH 3 Phase Testing Adaptor - 4mm Lead Compatible
96% match

Kewtech KEW3PH 3 Phase Testing Adaptor - 4mm Lead Compatible

Kewtech

£86.15 08 Sep 2026
Martindale VIPD138-S Safe Isolation Kit - 50-600V AC/DC
96% match

Martindale VIPD138-S Safe Isolation Kit - 50-600V AC/DC

Martindale

£209.00 12 Sep 2026
Kewtech KEWSTICK UNO - 90-600V Non-Contact Voltage Detector
96% match

Kewtech KEWSTICK UNO - 90-600V Non-Contact Voltage Detector

Kewtech

£22.00 15 Oct 2026
PeakTech 1000 A AC Current Clamp Electrical Tester – 3999 – Digits Voltage Continuity Tester Multimeter/Voltmeter/Diode Test Thermometer Capacity Test – 1 x P 1610
96% match

PeakTech 1000 A AC Current Clamp Electrical Tester – 3999 – Digits Voltage Continuity Tester Multimeter/Voltmeter/Diode Test Thermometer Capacity Test – 1 x P 1610

PeakTech

£65.32 21 Sep 2026