Search Products


We have a service to suit your gauge calibration and gauge repair needs

The Ashford Instrumentation Ltd range of  Deadweight Testers, Test Gauges, Digital Gauges, Comparator Pumps, Precision Transmitters, pH Meters, Moisture Meters & Dry Block Thermometer Calibrators can be used for in-house or on-site measurement or for the calibration of field instrumentation such as pressure gauge, pressure transmitters, thermometers, pressure switches and relief valves.

 PRODUCT IMAGE PRODUCT DESCRIPTION

Pneumatic & Hydraulic Pressure / Vacuum Test Pumps Pneumatic & Hydraulic Pressure / Vacuum Test Pumps

The Ashford Instrumentation Pneumatic AIMECP Series Test Pump are high performance hand operated pneumatic and hydraulic pumps that allow the user to generate both pressure and vacuum for precise testing of pressure instrumentation including pre... VIEW MORE
Moisture Meter - Timber & General Building Materials Moisture Meter - Timber & General Building Materials

The 7000 Series Moisture Meter ideal for assessing the moisture content in buildings. The unit can be used for making rapid moisture assessments in a wide range of building materials including wood, brickwork, plaster and concrete. To operate, connec... VIEW MORE
Portable pH Meter With Temperature & mV Measurement Portable pH Meter With Temperature & mV Measurement

Portable pH Meter ideal for use in a wide variety of industries, also measures temperature and mV. Hand held meter features a clear LCD display with easy to use membrane keypad. Kit includes pH electrodes, temperature probe and buffer solutions housed in a PVC carry case... VIEW MORE
Test Gauges 0.25% Accuracy - 160mm, 200mm, 250mm & 300mm Test Gauges 0.25% Accuracy - 160mm, 200mm, 250mm & 300mm

160mm, 200mm, 250mm or 300mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that wil... VIEW MORE
Chart Recorder - Bench or Wall Mounted (166mm, 223mm or 300mm Charts) Chart Recorder - Bench or Wall Mounted (166mm, 223mm or 300mm Charts)

Bench mounted chart recorder with supporting legs and carry handle also available in a wall mounted design. Manufactured with 1 or 2 channel inputs for pressure and / or temperature measurement. Chart sizes available 166mm, 223mm or 300mm with scales over 1 Hour, 4 Hours, 12 Hours, 24 Hours or 7 Days.... VIEW MORE
Air Operated Portable Calibration Laboratory - Commercial Diving Air Operated Portable Calibration Laboratory - Commercial Diving

The Ashford Instrumentation Portable Calibration Laboratory is ideal for the commercial diving market and is suitable for calibrating pneumo and pressure gauges from 10 Meters Sea Water to ... VIEW MORE
Test Gauges 0.25% Accuracy - 160mm, 200mm, 250mm & 300mm Test Gauges 0.25% Accuracy - 160mm, 200mm, 250mm & 300mm

160mm, 200mm, 250mm or 300mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that wil... VIEW MORE
Deadweight Tester - 1400 Bar Deadweight Tester - 1400 Bar

Oil operated Deadweight Testers are the basic primary standard for the accurate measurement of pressure. These are typically used for the calibration of numerous pressure instruments such as pressure gauges and transmitters, pressure switches and rel... VIEW MORE
Precision High Accuracy Pressure Transmitter (0.1% FS) Precision High Accuracy Pressure Transmitter (0.1% FS)

The Ashford Instrumentation AI-331/3 Series precision high accuracy pressure transmitter with an accuracy of 0.1% FS is suitable for gas, vapour and liquid applications.  ... VIEW MORE
Pressure Gauge Pointer Puller - 3 Piece Set Pressure Gauge Pointer Puller - 3 Piece Set

High quality precision pointer puller for the careful removal of pressure gauge pointers. This instrument is ideal for calibration laboratories. The design allows the tool to slip under the pointer and sit around the pointer spindle, the pointer can ... VIEW MORE
Comparator Pump - 1000 Bar Distilled Water Comparator Pump - 1000 Bar Distilled Water

Bench mounted comparator pumps provide a stable source of pressure when calibrating pressure gauges or pressure transmitters against a known reference source such as a 0.25% accuracy bourdon tube test gauge. The test instrument and reference instrume... VIEW MORE
Hand-Held Portable Hydraulic Pressure Test Pumps CPP700-H Hand-Held Portable Hydraulic Pressure Test Pumps CPP700-H

The Ashford Instrumentation CPP700-H Hydraulic Hand-Held Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic han... VIEW MORE
Hand-Held Portable Pneumatic Pressure / Vacuum Test Pumps CPP30 Hand-Held Portable Pneumatic Pressure / Vacuum Test Pumps CPP30

The Ashford Instrumentation CPP30 Pneumatic Hand-Held Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic handling, p... VIEW MORE
7 7", 8.5", 12" & 16" Precision Test Gauge - Accuracy 0.10%

High Precision Test Gauge with accuracy of 0.10 of span in diameters 7", 8.5", 12" and 16". The dial face uses 3D Instruments anti-glare soft green colour with anti-parallax mirror band and white outer ring for maximum user resolution. Ranges to 1000... VIEW MORE
SPMK 700 Master Digital Pressure Test Gauge - Accuracy 0.02% FS SPMK 700 Master Digital Pressure Test Gauge - Accuracy 0.02% FS

With advanced microprocessor technology and high-tech silicon pressure sensors, the SPMK 700 series digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure measurement and test applications.With press... VIEW MORE
Comparator Pump - 1400 Bar Hydraulic Oil Comparator Pump - 1400 Bar Hydraulic Oil

Bench mounted comparator pumps provide a stable source of pressure when calibrating pressure gauges or pressure transmitters against a known reference source such as a 0.25% accuracy bourdon tube test gauge. The test instrument and reference instrument... VIEW MORE
Test Gauges 0.25% Accuracy - 300mm Test Gauges 0.25% Accuracy - 300mm

Test gauge 300mm (12") diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that will not ... VIEW MORE
Test Gauges 0.25% Accuracy - 250mm Test Gauges 0.25% Accuracy - 250mm

Test gauge 250mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that will not solidi... VIEW MORE
Test Gauges 0.25% Accuracy - 200mm Test Gauges 0.25% Accuracy - 200mm

Test gauge 160mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that will not solidi... VIEW MORE
Test Gauges 0.25% Accuracy - 160mm Test Gauges 0.25% Accuracy - 160mm

Test gauge 160mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that will not solidi... VIEW MORE
Precision High Accuracy Pressure Transmitter (0.1% FS) Precision High Accuracy Pressure Transmitter (0.1% FS)

The Ashford Instrumentation AI-331/3 Series precision high accuracy pressure transmitter with an accuracy of 0.1% FS is suitable for gas, vapour and liquid applications.  ... VIEW MORE
Air Operated Portable Calibration Laboratory Air Operated Portable Calibration Laboratory

The Ashford Instrumentation Pneumatic Portable Calibration Laboratory is ideal for on site calibration where calibration using air is preferred  over hydraulic oil.  The kit includes everything needed to calibrate pressure gauges, pres... VIEW MORE
Chart Recorder - Bench or Wall Mounted (166mm, 2223mm or 300mm Charts) Chart Recorder - Bench or Wall Mounted (166mm, 2223mm or 300mm Charts)

Bench mounted chart recorder with supporting legs and carry handle also available in a wall mounted design. Manufactured with 1 or 2 channel inputs for pressure and / or temperature measurement. Chart sizes available 166mm, 2223mm or 300mm with scal... VIEW MORE
SPMK 700 Master Digital Pressure Test Gauge SPMK 700 Master Digital Pressure Test Gauge

With advanced microprocessor technology and high-tech silicon pressure sensors, the SPMK 700 series digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure measurement and test applications.With press... VIEW MORE
SPMK213H Low Pressure Portable Pressure Comparator - 40 Bar Air SPMK213H Low Pressure Portable Pressure Comparator - 40 Bar Air

The SPMK213H Portable Low Pressure Comparator is a hand operated pneumatic pressure test pump is designed to generate pressures from 95% vacuum to 40 bar (600psi). Two hand-tight quick connectors installed on the pump allow easy connecting and d... VIEW MORE
Hand-Held Portable Hydraulic Pressure Test Pumps CPP700-H Hand-Held Portable Hydraulic Pressure Test Pumps CPP700-H

The Ashford Instrumentation CPP700-H Hydraulic Hand Operated Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic hand... VIEW MORE
SPMK213L High Pressure Portable Pressure Comparator - 600 Bar Oil SPMK213L High Pressure Portable Pressure Comparator - 600 Bar Oil

The SPMK213L Portable Low Pressure Comparator is a hand operated hydraulic pressure test pump is designed to generate pressures from 85% vacuum to 600 bar (9000psi). Two hand-tight quick connectors installed on the pump allow easy connecting and disc... VIEW MORE
Hand-Held Pneumatic Pressure / Vacuum Test Pumps CPP30 Hand-Held Pneumatic Pressure / Vacuum Test Pumps CPP30

The Ashford Instrumentation CPP30 Pneumatic Hand Operated Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic handlin... VIEW MORE
Pressure Gauge Pointer Puller - 3 Piece Set Pressure Gauge Pointer Puller - 3 Piece Set

 High quality precision pointer puller for the careful removal of pressure gauge pointers. This instrument is ideal for calibration laboratories. The design allows the tool to slip under the pointer and sit around the pointer spindle, the pointe... VIEW MORE
Oil / Water Separator For Degreased or Oxygen Calibrations Oil / Water Separator For Degreased or Oxygen Calibrations

Pressure gauges marked with the crossed oil can logo or the word “oxygen” on dial must be absolutely clean from oil and grease. Ideally these devices would be calibrated on air or water but many liquid calibrators are oil based which must not be use... VIEW MORE
AIDOS-008 Deadweight Tester - 1400 Bar Oil 0.008% Reading AIDOS-008 Deadweight Tester - 1400 Bar Oil 0.008% Reading

Oil operated Deadweight Testers are the basic primary standard for the accurate measurement of pressure. These are typically used for the calibration of numerous pressure instruments such as pressure gauges and transmitters, pressure switches and rel... VIEW MORE
AIDOS-001 Deadweight Tester - 1400 Bar Oil 0.01% Reading AIDOS-001 Deadweight Tester - 1400 Bar Oil 0.01% Reading

Oil operated Deadweight Testers are the basic primary standard for the accurate measurement of pressure. These are typically used for the calibration of numerous pressure instruments such as pressure gauges and transmitters, pressure switches and rel... VIEW MORE
Dry Well Temperature Calibrator - Portable Dry Well Temperature Calibrator - Portable

Dry well portable temperature calibrator ideal for checking mechanical and electronic thermometer accuracy. Compact and lightweight design. Easy to read digital display with high level stability and a stabilisation time of just five minutes. To opera... VIEW MORE
Dirt / Moisture Trap Dirt / Moisture Trap

Dirt / Moisture Trap used to protect pneumatic calibration equipment from dirt and oil found in field instruments that may enter and contaminate or damage the calibration system. Any dirt and moisure seeping from the filed instrument can been seen th... VIEW MORE
Pneumatic Comparator Regulator - Pressure Calibration Using Bottled Gas Pneumatic Comparator Regulator - Pressure Calibration Using Bottled Gas

Pneumatic comparator regulator for the calibration of pressure gauges or pressure transmitters using bottled gas or air (we suggest Nitrogen) to a maximum pressure of 120 bar. The regula... VIEW MORE
Comparator Pump High Pressure - 7000 Bar Hydraulic Oil Comparator Pump High Pressure - 7000 Bar Hydraulic Oil

Bench Mounted High Pressure Hydraulic Oil Comparator for calibration pressures up to 7000 Bar / 100 000 PSI. The HIgh Pressure Comparator comprises a priming pump (located on the side of the unit) and oil reservoir to generate the initial pressure sy... VIEW MORE
Comparator Pump - 1000 Bar Distilled Water Comparator Pump - 1000 Bar Distilled Water

Bench mounted comparator pumps provide a stable source of pressure when calibrating pressure gauges or pressure transmitters against a known reference source such as a 0.25% accuracy bourdon tube test gauge. The test instrument and reference instrume... VIEW MORE
AIDOS-0015 Deadweight Tester - 1400 Bar Oil 0.015% Reading AIDOS-0015 Deadweight Tester - 1400 Bar Oil 0.015% Reading

Oil operated Deadweight Testers are the basic primary standard for the accurate measurement of pressure. These are typically used for the calibration of numerous pressure instruments such as pressure gauges and transmitters, pressure switches and rel... VIEW MORE