EDM Instruments
The instruments listed below are identified by their unique catalogue numbers. Click on the instrument for more information.
| Instrument | Model | Maker | Catalogue number |
| Short-range distance meter | DM 501 | Kern & Co. Switzerland | 0401 |
| Medium-range distance meter | Geodimeter 14 | AGA, Sweden | 0402 |
| Electronic tacheometer | HP 3820A | Hewlett Packard, USA | 0403 |
| Short-range distance meter | HP 3800B | Hewlett Packard, USA | 0404 |
| Short-range distance meter | HP 3800B | Hewlett Packard, USA | 0405 |
| Microwave distance meter | MRA 101 | Tellurometer, South Africa |
0406 |
| Microwave distance meter | MRA 101 | Tellurometer, South Africa |
0407 |
| Precision distance meter | MA 100 | Tellurometer, South Africa |
0408 |
| Microwave distance meter | CA 1000 | Tellurometer, South Africa |
0409 |
| Microwave distance meter | CA 1000 | Tellurometer, South Africa |
0410 |
| Medium-range distance meter | Geodimeter NASM-2A |
AGA, Sweden | 0411 |
| Medium-range distance meter | Geodimeter 6A | AGA, Sweden | 0412 |
| Medium-range distance meter | Geodimeter 6A | AGA, Sweden | 0413 |
| Semi-electronic tacheometer | GTS-2 | Topcon, Japan | 0414 |
| Vertical circle attachment | for HP3805 | Hewlett Packard, USA | 0415 |
| Triple prism | AGA, Sweden | 0416 | |
| Single prism | AGA, Sweden | 0417 | |
| Electronic tacheometer | TC-1600 | Wild, Switzerland | 0418 |
| Electronic tacheometer | ET-1 | Topcon, Japan | 0419 |
| Triple prism | GDR-11 | Wild, Switzerland | 0420 |
| Slope reduction calculator | SRC-3 | Topcon, Japan | 0421 |
| Electronic tacheometer | Wild TC1610 | Leica, Switzerland | 0422 |
| Rectangular/Tiltable reflector | GDR-31 | Leica, Switzerland | 0423 |
| Electronic tacheometer | DTM-821 | Nikon, Japan | 0424 |
| Battery charger | BC-10 | Topcon, Japan | 0425 |
| DC-DC converter | AC-5 | Topcon, Japan | 0426 |
| Hand-held distance meter | Disto Classic 5 | Leica, Switzerland | 0427 |
| Electronic tacheometer | SET3 | Sokkisha, Japan | 0428 |
| Electronic fieldbook | SDR | Sokkisha, Japan | 0429 |
| Triple prism reflector | GDR-11 | Wild, Switzerland | 0430 |
| Triple prism reflector | GDR-11 | Wild, Switzerland | 0431 |
| Single prism reflector | GDR-3 | Wild, Switzerland | 0432 |
| Tiltable prism | OMNI, USA | 0433 | |
| Tiltable single prism | 571125740 | Geotronics AB, Sweden | 0434 |
| Mini prism reflector | JR | OMNI, USA | 0435 |



