CaswellsGroup - Precision Measuring and Instrumentation - Environmental Monitoring Equipment

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Environmental Monitoring Equipment

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Splash-Proof Pen-Type Thermometer

From £17.05 exc VAT

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Min/Max Memory Alarm Thermometer

From £51.20 exc VAT

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High Accuracy K-Type Thermometer

From £93.85 exc VAT

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Pen-Type Thermometer with Alarm

From £15.45 exc VAT

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Folding Probe Thermometer

From £42.65 exc VAT

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Jumbo Dual Sensor Memory Thermometer

From £26.80 exc VAT

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Single Input K-Type Thermometer

From £68.25 exc VAT

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Pocket Infrared Thermometer

From £77.20 exc VAT

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Flexible Thermo-Anemometer

From £119.45 exc VAT

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Vane Thermo-Anemometer

From £160.87 exc VAT

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Vane Thermo-Anemometer

From £196.62 exc VAT

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Hot Wire Anemometer

From £281.12 exc VAT

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Pocket Vane Anemometer

From £76.77 exc VAT

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Data Logging Sound Level Meter

From £331.50 exc VAT

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2-in-1 Moisture Meter

From £110.90 exc VAT

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Temperature & Humidity USB Data Logger

From £104.77 exc VAT

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Pocket Thermo-Hygrometer

From £68.25 exc VAT

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Hi Accuracy Thermo-Hygrometer

From £170.62 exc VAT

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Jumbo Screen Hygrometer

From £29.65 exc VAT

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5-in-1 Multi-Function Environment Meter

From £264.87 exc VAT

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USB Data Log Coating Thickness Meter

From £242.67 exc VAT

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Splash-Proof Pen-Type Thermometer

From £17.05 exc VAT

Offering low cost, rapid response, high accuracy and ease of use with a robust design.

This water resistant thermometer is ideal for liquid and semi-solid sampling.

Technical Specifications

Range : -50° to 330°C.

Resolution : 0.1°C.

Accuracy : ±5°C (-30° to 150°C) ±2°C (others).

Sampling : Every second.

Power : 1 x 3V Lithium Battery (CR1225).

Dimensions : 248 x 23 x 13mm (Unit) 150 x 4mm Ø (Probe).

Weight : 40g.

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Min/Max Memory Alarm Thermometer

From £51.20 exc VAT

Modern, compact design combined with ease of use making this a cost effective thermometer for liquid and semi-solid sampling.

The stainless steel probe is connected to the unit with a 1mtr cable and can be clipped to the instrument body for single handed use.

Technical Specifications

Range : -50° to +150°C.

Resolution : 0.1°C (-19.9 to +150ºC), 1º (others).

Accuracy : ±1° (-30° to +150°C), ±2° (others).

Sampling : Every second.

Power : 1 x 1.5V button cell battery (PL-13).

Dimensions : 120 x 60 x 20mm (Unit) 100 x 4.mm Ø (Probe).

Weight : 77g.

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High Accuracy K-Type Thermometer

From £93.85 exc VAT

This dual input K & J Type thermometer offers higher accuracy reading and fast response times.

Ideal for industrial, laboratory and education use.

Technical Specifications

Range : -200° to +1372°C, -328° to 2498°F Type K, -200° to +1100°C, -328° to 2012°F Type J.

Resolution : 0.1° 1000°. 1° > 1000°.

Accuracy Units : ±(0.5%rdg +2°C) ( 0°C) & (> 1000°C). ± (0.05%rdg +1°C) (0°C to 1000°C).

Power : 1 x 9V PP3 battery.

Dimensions : 185 x 66 x 33mm.

Weight : 245g.

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Pen-Type Thermometer with Alarm

From £15.45 exc VAT

This low cost, easy-to-use splash proof thermometer with alarm and 145mm pointed tip penetration probe is ideal for liquid and semi-solid sampling.

Technical Specifications

Range : -50° to +300°C.

Resolution : 1°C.

Accuracy : ±1°C.

Power : 1 x 1.5V Button Cell Battery (PL-13).

Dimensions : 240 x 30 x 20mm (Unit) 145 x 4mmØ (Probe).

Weight : 36g.

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Folding Probe Thermometer

From £42.65 exc VAT

This thermometer offers ease of use, fast response and high accuracy combined with the unique safety feature of a foldaway probe.

It is ideally suited for liquid or semi-solid sampling having a pointed stainless steel probe which is adjustable through 45, 90, 135 and 180 degree angles.

Ideal applications include industry, laboratory, education and food hygiene temperature tests.

Technical Specifications

Range : -50° to +300°C (-58° to +572°F).

Resolution : 0.1°C (-19.9° to +199.9°C) 1°C others.

Accuracy : ±1°C (-30° to +250°C) ±2°C others.

Sampling : Every second.

Power : 1 x 1.5V AAA Alkaline Battery (LR-3).

Dimensions : 160 x 50 x 18mm (Unit) 115 x 4mmØ (Probe).

Weight : 70g.

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Jumbo Dual Sensor Memory Thermometer

From £26.80 exc VAT

Simultaneous monitoring of two environments.

The thermometer has two sensors and each sensor has its own readout.

One sensor is inside the unit.

The external sensor has a three meter connection lead.

The min/max memory operates independently for each sensor.

Technical Specifications

Range : -50° to +70°C, -58° to +158°F (External Sensor).-10° to +50°C, 14º to +122ºF (Internal Sensor).

Resolution : 0.1°C, 0.1°F.

Accuracy : ±2°C, ±3.6°F.

Power : 1 x 1.5V AA Alkaline Battery (LR-6).

Dimensions :138 x 95 x 20mm.

Weight : 166g.

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Single Input K-Type Thermometer

From £68.25 exc VAT

This single input K-Type thermometer offers high accuracy and fast response times.

Ideal for industrial and laboratory use.

Technical Specifications

Range : -50° to +1300°C, -58° to 2000°F, +223K to 2000K.

Resolution : User Select 0.1° or 1° 199.9°. 1°>200, 1K.

Accuracy : ±(0.5%rdg +1°C) (0° to 1000°C).±(0.8%rdg +1°C) (1000° to 1300°C).

Power : 1 x 9V PP3 Alkaline Battery (LR-61).

Dimensions : 162 x 76 x 39mm.

Weight : 210g.

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Pocket Infrared Thermometer

From £77.20 exc VAT

This pocket size and easy-to-use infrared thermometer with Class II laser sighting is ideal for precise non-contact measurement of surface temperatures.

Suitable for food preparation, monitoring appliances, HVAC, transport & automotive and storage temperatures.

Technical Specifications

Range: -30° to +270°C.

Resolution: 0.1°C.

Accuracy: ±2.5% of reading or +2°C.

Power: 2 x 1.5V AAA Alkaline Batteries (LR-3).

Dimensions: 97x 57 x 29mm.

Weight: 76g.

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Flexible Thermo-Anemometer

From £119.45 exc VAT

This vane thermo-anemometer has a 35mm vane with a 480mm flexible goose-neck and measures air velocity and temperature.

The design allows easy access to areas that are hard to reach.

Excellent for ventilation surveys, air conditioning, heating and environmental monitoring.

Technical Specifications

Minimum Range: 1.0m/sec, 119ft/min, 1.4mph, 2.2km/hr, 1.2knots.

Maximum Range: 30m/sec,5900ft/min, 67mph, 108km/hr, 58knots

Resolution: 0.01m/sec, 1ft/min, 0.1mph, 0.1km/hr, 0.1knots

Accuracy: ±(3%+0.2)m/sec, ±(3%+40)ft/min, ±(3%+0.4)mph, ±(3%+0.8)km/hr, ±(3%+0.4)knots.

Temp Range: -10 to +60°C, 14 to 140°F.

Resolution: 0.1°C/F.

Accuracy: ±1.5°C/±3°F.

Power: 1 x 9V PP3 battery ALR-61.

Dimensions: 163 x 45 x 34mm.

Weight: 247g

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Vane Thermo-Anemometer

From £160.87 exc VAT

The remote vane thermo-anemometers measure air velocity, airflow volume and temperature.

The detachable 64mm vane has a 1.1m connection cable.

Excellent for ventilation surveys, air conditioning, heating and environmental monitoring.

Technical Specifications

Minimum Range: 0.4m/sec, 80ft/min, 0.9mph, 1.4km/hr, 0.8knots, 0m³/min/ft³/min.

Maximum Range: 30m/sec, 5900ft/min, 67mph, 108km/hr, 58knots, 999.90m³/min/ft³/min.

Resolution: 0.01m/sec, 1ft/min, 0.1mph, 0.1km/hr, 0.1knots.

Accuracy: ±(3% +0.2)m/sec, ±(3% + 40)ft/min, ±(3% + 0.4)mph, ±(3% + 0.8)km/hr, ±(3% + 0.4)knots.

Temp Range: 0 to 50°C, 32 to 122°F.

Accuracy: ±2°C/±4°F.

Power: 1 x 9V PP3 battery.

Dimensions: 162 x 76 x 39mm.

Weight: 448g.

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Vane Thermo-Anemometer

From £196.62 exc VAT

This remote vane thermo-anemometer measures air velocity, airflow volume and temperature.

It is also rich in functions with data hold, min/max hold, averaging and memory for area sizes.

Excellent for ventilation surveys, air conditioning, heating and environmental monitoring.

Measures air velocity in m/s, ft/min, km/h, knots & mph.

Measures volume in m³/min (CMM) & ft³/min (CFM).

°C/°F (switchable) temperature via a sensor in the centre of the vane.

Impact-resistant ABS case with detachable 64m Ø vane on 1.1m cable.

58mm backlit LCD display with large digits and function indicators.

Data hold & max/min functions.

Data hold & max/min hold for temperature.

Average multiple readings for velocity or flow volume for up to 20 readings.

Volume measurements by entering the area of the duct or grille being measured.

16 memory locations for area sizes (8 CFM, 8 CMM).

Auto off and low battery indicator.

Standard ¼" camera bush for tripod mounting.

Supplied with hard carry case & battery.

Optional Calibration Certificates available issued at 3 points: 25%, 50% & 75% of range or issued at 2 points: 20°C & 30°C.

Technical Specifications

Minimum Range: 0.4m/sec, 80ft/min, 0.9mph, 1.4km/hr, 0.8knots, 0m³/min/ft³/min.

Maximum Range: 30m/sec, 5900ft/min, 67mph, 108km/hr, 58knots, 999.90m³/min/ft³/min.

Resolution: 0.01m/sec, 1ft/min, 0.1mph, 0.1km/hr, 0.1knots.

Accuracy: ±(3% + 0.2)m/sec, ±(3% + 40)ft/min, ±(3% + 0.4)mph, ±(3% + 0.8)km/hr, ±(3% +0.4)knots.

Temp Range:-10 to +60°C, 14 to 140°F.

Accuracy: ±2°C/±4°F.

Power: 9V PP3 battery.

Dimensions: 203 x 75 x 50mm.

Weight: 425g.

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Hot Wire Anemometer

From £281.12 exc VAT

This hot wire thermo-anemometer is ideal for low air velocity and volume measurement.

The slim plug in telescopic hot wire probe extends from 0.3 to 1m (inc handle) has a probe sensor head 9mmØ and is ideal for grille hoods and diffusers.

It is excellent for ventilation surveys, air conditioning, clean rooms, flow hoods, air balancing and environmental monitoring.

USB interface for real time transfer of readings to a PC or Laptop.

Technical Specifications

Accuracy: ±5% + 1 digit.

Temp Range: 0° to 50°C, 32° to 122°F.

Accuracy: 1°C/1.8°F.

Power: 1 x 9V PP3 Alkaline Battery (LR-61) or AC/DC Mains Power Adapter.

Dimensions: 210 x 75 x 50mm (Unit) 0.3 x 1m (Probe).

Weight: 280g.

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Pocket Vane Anemometer

From £76.77 exc VAT

This pocket-sized anemometer has a lightweight low-friction ball vane providing high accuracy at high & low air velocity. The robust case incorporates a large easy to read display and wrist strap making them ideal for practically all conditions and uses.

Technical Specifications

Minimum Range: 0.4 m/sec, 80 ft/min, 1.4 km/hr, 0.9 mph, 0.8 knots.

Maximum Range: 30 m/sec, 5,910 ft/min, 108 km/hr, 67 mph, 58 knots.

Resolution: 0.1 m/sec, 1 ft/min, 0.1 km/hr, 0.1 mph, 0.1 knots.

Accuracy: Below 20 m/s ±3% FS, above 20 m/s ±4%

Power: 1 x PP3 9V Alkaline Battery .

Weight: 160g.

Calibration certificate available on request.

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Data Logging Sound Level Meter

From £331.50 exc VAT

Precision sound level meter designed to meet IEC 61672-1 Class 2 with accuracy of ±1.4dB.

A ½" electret condenser microphone ensures accurate and repeatable readings.

A modern ergonomically shaped grip, high-intensity backlight and USB interface make this sound level meter extremely convenient to use.

Data logging memory 32,600 readings.

Technical Specifications

Range: 30 to 130dB.

Resolution: 0.1dB.

Accuracy: ±1.4dB.

Frequency Range: 31.5Hz~8KHz.

Power: 1 x 9V PP3 Battery ALR-61.

Dimensions: 252 x 66 x 33mm.

Weight: 262g.

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2-in-1 Moisture Meter

From £110.90 exc VAT

Pocket-sized digital moisture meter with integrated electrodes for fast and convenient readings of the moisture content of wood and aggregate materials.

Technical Specifications

Range: 1% to 45% wood, 0.1 to 2.4% aggregate materials.

Accuracy: ±2% wood, ±0.1% hardened materials.

Power: 3 x 3V Lithium batteries (CR-2032-3)

Dimensions: 130 x 40 x 25mm.

Weight: 100g.

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Temperature & Humidity USB Data Logger

From £104.77 exc VAT

Temperature/Humidity data loggers with over 16,382 readings capacity on each channel.

Simple download of the stored data directly to your PC or Laptops USB port.

Ideal to monitor, record and store temperature and humidity conditions in controlled environments, laboratories, clean rooms, storage and other critical areas. IP-67 Rated.

Technical Specifications

Temp Range: -35° to +80°C.

Humidity Range: 0 to 100% RH.

Resolution: 0.5°C.

Accuracy: ±0.2°C, ±3% RH (20% to 80%)

Logging Rate: From 10 secs up to 12 hrs (user selectable).

Max Readings Capacity: 16,382 on each channel (temp & % RH)

Power: 1 x 3.6V ½AA Lithium battery.

Dimensions: 98 x 26 x 22mm.

Weight: 40g.

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Pocket Thermo-Hygrometer

From £68.25 exc VAT

A pocket temperature and humidity meter with an LCD display which simultaneously displays temperature and humidity.

The sensors are located in a protective grille, making the instrument ideally suited for taking measurements in air stream.

Technical Specifications

Range: -30° to + 70°C

Humidity: 0% to 100% RH

Resolution: 0.1°C 0.1%RH

Accuracy: ±0.5°C (-10° to 70°C) ±3.0%RH (20% to 80%) ±1°C (Others) ±4% (Others_

Power: 1 x 9V PP3 Alkaline Battery (LR-61).

Dimensions: 165 x 55 x 38mm

Weight: 88g.

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Hi Accuracy Thermo-Hygrometer

From £170.62 exc VAT

A high accuracy combined humidity and air temperature meter with wet bulb and dew point temperatures.

Ideal for a wide range of industrial and laboratory applications.

Suitable for single handed operation.

Technical Specifications

Range: -30°C to 100°C 0% to 100%RH -30°C to 100°C 0° to 80°C

Resolution: 0.1°C 0.1%RH 0.1°C 0.1°C

Accuracy: ±0.5°C ±2%RH ±1.0°C ±1.0°C

Power: 1 x 9V PP3 Alkaline Battery (LR-61).

Dimensions: 155 x 72 x 35mm.

Weight: 210g

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Jumbo Screen Hygrometer

From £29.65 exc VAT

Desktop hygrometer that displays temperature and humidity readings.

It features a 5 segment comfort indicator on its large jumbo sized display.

The min/max readings for temperature and humidity are stored in an internal memory and displayed on screen by pressing a simple button.

These are easily reset via the reset button.

Popular in hospital wards, clean rooms, computer rooms, storage rooms and general office spaces.

With a wall-mounting key-way the unit can be hung with a single nail or placed on a desk or shelf using the flip-out stand.

Supplied with : Battery.

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5-in-1 Multi-Function Environment Meter

From £264.87 exc VAT

This 5-in-1 multi-function meter is a cost effective introduction to aid conformance to health & safety in the work place.

It measures sound levels, light levels, airflow, %RH and temperature.

The LCD display has a backlight, large digits and function indicators.

Technical Specifications

Range: Sound 35 to130dB, Lux 0 to 20,000, Airflow 0.5 to 30m/s, %RH 10% to 95%RH, Temp -40 to +70°C.

Resolution: Sound 0.1dB, Lux 0.01 Lux, Airflow 0.1, %RH 0.1%, Temp 0.1°C.

Accuracy: Sound ±2dB, Lux ±4%rdg±0.5%fs, Airflow ±3%rdg±0.3m/s, %RH±5%RH, Temp±2°C.

Power: 1 x 9V PP3 battery (LR-61).

Dimensions: 252 x 66 x 33mm.

Weight: 568g.

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USB Data Log Coating Thickness Meter

From £242.67 exc VAT

The MDT-156 is a compact coating thickness meter and measures the thickness of coatings on ferrous and non-ferrous metallic substrates. Example coatings include paint, laquer, plastic, rubber and epoxy.

The sensor is integral to the instrument.

A USB interface facilitates the download of measurements for comparison tests and record keeping.

Technical Specifications

Range: Up to 1,250µm (micron).

Resolution: 0.1 Low Range, 1µm High Range.

Accuracy: ±3%+1 µm (0 to 850µm) ±5% (85 tp 1250µm)

Min Measuring Area: 7mm Ferrous, 5mm Non-Ferrous.

Min base thickness: 0.5mm Ferrous, 0.3mm Non-Ferrous.

Power: 2 x AAA 1.5V Alkaline Batteries (LR-3).

Dimensions: 110 x 50 x 23mm.

Weight: 100g.

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