Martindale SPC70 Class 2 Sound Level Calibrator
Martindale SPC70 Class 2 Sound Level Calibrator
| Output sound pressure levels | 94dB and 114dB rel 20µPa under reference conditions |
| Output frequency | 1000Hz ± 2% |
| Accuracy of sound pressure level | ± 0.5dB |
| Total harmonic distortion | <3% |
| Temperature | 23°C |
| Relative humidity | 50% |
| Atmospheric pressure | 1013hPa |
| Temperature coefficient | 0.005dB / °C |
| Humidity coefficient | 0.005dB / % R.H |
| General | |
| Power | 1 x 9V, PP3 alkaline battery (IEC 6LR61, NEDA 1604A) |
| Battery life | 40 hours approx. (alkaline battery) |
| Low battery indication | Power ON/Low Battery LED illuminates red |
| Dimensions | 113 x 63 x 44mm |
| Weight | 170g approx including battery |
| Includes | 1 x 9V battery, ½ inch microphone adaptor, carry case, instructions |
| Enviromental | |
| Operating conditions | |
| Temperature | 0°C to 40°C |
| Relative humidity | 10 to 90% R.H |
| Atmospheric pressure | 650 to 1080 hPa |
| Storage conditions | |
| Temperature | -10°C to 50°C |
| Relative humidity | 0 to 70% R.H |
| Functionality | |
| Conforms to | BS EN 60942 Class 2 |
| EMC | |
| Conforms to | BS EN 55011, BS EN 61000-6-2 |
Description
Martindale SPC70 Class 2 Sound Level Calibrator
The SPC70 is a Class 2 sound level calibrator suitable for periodic testing of sound level meters and verifying their accuracy before and after readings, in accordance with international standards.
The SPC70 is simple to use and provides a 1kHz reference at 94dB and 114dB. The output is accurate to 0.5dB with low levels of harmonic distortion. The SPC70 is compatible with the Martindale SP79 Class 2 Sound Level Meter and other meters with microphones up to 25mm.
The Martindale SPC70 Is Supplied With:
- Martindale SPC70 Class 2 Sound Level Calibrator
- 1.2” microphone adaptor
- Carry case
- Instructions for Martindale SPC70
Key Features:
- Two tones: 94dB and 114dB
- 1kHz reference frequency
- Accuracy: ±0.5dB
- Max microphone diameter: ø25mm
- BS EN 60942 Class 2
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.
Features & Specification
| Key Features | Dual Toned:94dB And 114dB, ±0.5 Accuracy, ø25mm Microphone Diameter, 1kHz Reference Frequency | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Product Stock Status | Next Day Delivery (subject to availability) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | Martindale | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short Description | Martindale SPC70 Class 2 Sound Level Calibrator
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Delivery
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