Keep your Sekonic ST-50A or ST-50M chart recording clearly with replacement HEFA recording pens. Each pack contains two red temperature pens and two blue humidity pens.
Four pens per pack. Also listed under HE13 and HEFA15330 references. Chart paper is sold separately; check the pen reference used by your recorder before ordering.
Refresh both recording channels of your Sekonic thermohygrograph with one convenient pen pack. The red pens trace temperature, while the blue pens trace humidity on the recorder chart.
| Pen reference | HEFA; also listed as HE13 / HEFA15330 |
|---|---|
| Compatible recorders | Sekonic ST-50A and ST-50M |
| Red temperature pens | 2 pieces |
| Blue humidity pens | 2 pieces |
| Total supplied | 4 pens per pack |
| Chart paper | Not included; sold separately |
Before ordering: Match the pen reference and recorder model against your existing consumables. This listing is for the complete red-and-blue pen pack, not a single pen.
Changing the paper as well? Shop Sekonic ST-50 chart paper. For recorder details and consumable references, read the main SL ST-50A product page or main SL ST-50M product page.
Keep your Sekonic ST-50A or ST-50M recording temperature and humidity on paper. This standard HEGA chart paper has a −20 to 80°C temperature scale and a 0 to 100% RH humidity scale. One box contains five pads.
Also listed under the HE12 and HE0140010 references. Check the chart reference and printed scale used by your recorder before ordering. Recording pens are sold separately.
