Hirst Spore trap electronic clock. replacement clock that is totally interchangeable with the Burkard Manufacturing 7 day clock and the Burkard Scientific 7 day clock. this is powered by 4 AAA batteries. the clock comes in 2 versions these are widely being used to over come the reliability issues with the standard clockwork clocks.

Version 1:

Hirst Multi Rotation Speed clock has 3 selectable rotation speeds. 24 Hour, standard 7 Day and 28 Day. Estimated battery life, based on Duracell alkaline @ 20°C, 150 x 1 day runs, 22 x 7 day runs, 6 x 28 day runs

Version 2:

Hirst 7 Day Only Clock. replacement clock that is totally interchangeable with the Burkard Manufacturing 7 day clock and the Burkard Scientific 7 day clock. this is powered by 4 AAA batteries. this clock has 1 rotation speeds. standard 7 Day Continuous. Estimated battery life, based on Duracell alkaline @ 20°C, 22 x 7 day runs,

Please check the drawing under the download tab to make sure thy new clock will fit your Spore traps.

Fully Stainless Steel Construction

Batteries 4 x AAA

Estimated battery life, based on Duracell alkaline @ 20°C, 150 x 1 day runs, 22 x 7 day runs, 6 x 28 day runs

Interchangeable with Burkard 7 Hirst Spore Traps

Please check the drawing under the download tab to make sure thy new clock will fit your Spore traps.

Normally Ex Stock

Use this link to check lid dimentions before purchase  Spore Trap Lid

Hirst Electronic Multi Time clock Instructions

Hirst Electronic 7 Day Time clock Instructions