| EEL 001 | | PHOTOCELL |
| * | EEL 002 | | COLORIMETER |
| EEL 004 | DM | ABSORPTIOMETER |
| EEL 006 | D | UNIVERSAL DENSITOMETER |
| EEL 007 | | REFLECTION DENSITOMETER |
| EEL 010 | D | GLOSS HEAD |
| EEL 10M | | RENDEL DUSTMETER |
| EEL 011 | D | REFLECTOMETER |
| EEL 012 | M | OPACIMETER |
| EEL 018 | D | LIGHTMASTER PHOTOMETER |
| EEL 023 | | GALVANOMETER SUSPENSION UNIT |
| EEL 024 | | HYDROGEN SULPHIDE METER |
| EEL 029 | DM | UNIGALVO 200/20, DS29 |
| * | EEL 031 | | LOW GLOSS HEAD |
| EEL 033 | | DAYLIGHT FACTOR METER |
| EEL 040 | D | UV FLUORESCENT PHOTOMETER |
| EEL 041 | D | PHOTO-EXTINCTION SEDIMENTOMETER |
| EEL 043 | D | SMOKE STAIN REFLECTOMETER |
| EEL 044 | D | POWDER REFLECTOMETER |
| EEL 047 | | GALVANOMETER OIL FILLED |
| * | EEL 048 | | FLUORIMETER |
| EEL 049 | D | TITRATOR |
| EEL 053 | D | NEPHELOMETER |
| * | EEL 054 | | FLUE DUST MONITOR |
| EEL 056 | D | VARISPEC GLOSS METER |
| EEL 057 | D | HAZEMETER |
| EEL 058 | D | QUANTITRATOR |
| * | EEL 062 | | SPECTRA COLORIMETER |
| * | EEL 063 | | MICROPHOTOMETER |
| EEL 070 | | METERS |
| * | EEL 092 | | CHLORIDE METER |
| EEL 095 | D | FILM TRANSPARENCY CLARITY METER |
| EEL 099 | D | REFLECTANCE SPECTROPHOTOMETER |
| EEL 100 | | FLAME PHOTOMETER |
| * | EEL 113 | | BISCUIT COLOUR COMPARATOR |
| * | EEL 120 | | HAEMOGLOBIN METER |
| * | EEL 126 | | LEAF AREA METER |
| EEL 131 | D | RATIOMETRIC HAZOMETER |
| * | EEL 140 | | ATOMIC ABSORPTION SPECTROPHOTOMETER |
| * | EEL 150 | | CLINICAL FLAME PHOTOMETER |
| * | EEL 197 | | SPECTRA |
| | | |
| | | |
| PREFIX * | | SPARES AND SERVICE ONLY |
| SUFFIX D | | DIGITAL WITH ANALOGUE CONTROL |
| SUFFIX M | | DIGITAL WITH PUSHBUTTON CONTROL
MICROPROCESSOR WITH 232 PORT |