Table of Contents
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ALWAYS READ THESE INSTRUCTIONS BEFORE PROCEEDING
Thank you for buying one of our products. For safety and a full
understanding of its benefi ts please read this manual before use.
Technical support is available from 01923 441717 and
support@martindale-electric.co.uk.
CONTENTS
1
2
3
3.9 Hold Mode
4
Maintenance
4.1 Battery Replacement
4.2 Calibration
4.3 Cleaning
4.4 Repair & Service
4.5 Storage Conditions
5.
Warranty
Specifi cations
1
1
2
3
3
3
3
3
4
4
GENERAL
4
Display: liquid crystal display
4
Measurement rate: once per second
5
Power: 2 x 1.5V, AAA alkaline batteries (IEC LR03, NEDA 24A)
5
Continuous operating time: 30 hours typical.
5
Low battery indication: The
5
6
Auto power off: after approx. 10 minutes
8
Dimensions: 132.9(L) x 50.9(W) x 24.7(D) mm
10
Weight: 110g approx. including batteries
10
Includes: protective cover, 2 x 1.5V AAA batteries, detachable carry strap and
10
instructions
10
11
ENVIRONMENTAL
11
Operating environment: 0°C to 50°C at <70% R.H.
Storage environment: -20°C to 60°C, <80% R.H. with batteries removed.
12
EMC
Conforms to BS EN61326-1
Specifi cation
RT80
Optical Tachometer
All specifi ed accuracies are at 23°C ± 5°C, <75% R.H. for
1 year.
Temperature coeffi cient: 0.1 x (specifi ed accuracy) per °C,
(0°C to 18°C, 28°C to 50°C).
Measuring range: 100 to 99999 rpm
1.7 to 1666 rps
Resolution: 0.1 rpm (100.0 to 19999.9 rpm)
0.1 rps
(1.7 to 333.3 rps)
1 rpm (20000 to 99999 rpm)
1 rps
(334 to 1666 rps)
Accuracy: ± (0.02% of reading + 1 digit)
is displayed when the battery voltage drops
below the operating level
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