Reference:
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.
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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 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.
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.
Manufacturer-discontinued — available only while our remaining stock lasts. The Sekonic ST-50A (ST50A) displays temperature and humidity digitally while recording both readings on a paper chart.
A practical choice if you need another ST-50A to match an existing installation. The standard set includes one chart, a red recording pen and a blue recording pen. Replacement chart paper and recording pens are listed separately.
Sekonic ST-50M (ST50M) is discontinued. This model combined temperature and humidity paper chart recording with SD card data storage. For a new instrument, shop Sato Sigma II for paper charts or shop Sato SK-L754 for electronic logging. Existing ST-50M users can still order compatible chart paper and recording pens below.
Keep your Dickson chart recorder ready for its next recording cycle. Choose the pen pack that matches your recorder and measurement channel: P222 red for temperature, P226 blue for humidity, or P246 mixed red and blue. Each selection contains six pens. Stock status and lead time update with your chosen pack.
Keep your Sato chart recorder ready for its next recording cycle. Choose the chart reference that matches your instrument and its recording period: 1, 7 or 32 days for selected Sigma II models, 7 days for Mini-Cube and Mini-Alpha, or the appropriate Rotona chart.
Select the exact chart reference before adding to cart. NSII-BQ charts record air pressure and are not interchangeable with temperature and humidity charts. Price and availability depend on the selected pack.
Keep your compatible Chessell chart recorder running with Kokusai GD128970U050-KC Z-fold chart paper, a replacement for chart reference GD128970U050.
Each chart is 16 m long with a 100 mm recording width and 50 uniform divisions. This listing is for 10 pieces. Check the reference on your existing chart before ordering.
Replenish a compatible Sekonic recorder with T01158 filler ink. Each box contains six bottles, numbered 7 to 12.
Check T01158 against the part number on your existing ink or recorder documentation before adding to cart. This listing is for the ink set only; the recorder and chart paper are not included.
Choose Advantec No. 5A for fast filtration of coarse and gelatinous precipitates during quantitative analysis. These circular filter papers measure 47 mm in diameter and have approximately 7 µm particle retention.
100 sheets per pack. The low ash content of approximately 0.01% makes No. 5A suitable for analytical work where filter residue matters. Check that the 47 mm diameter fits your filtration setup before ordering.
Keep your Isuzu thermohygrograph recording with the chart paper that matches its printed scale and recording period. Choose your chart reference from the options below; each selection has its own price and availability.
Ordering tip: Check the number printed on your existing chart before selecting. Chart papers with similar names may have different scales.
Replenish your compatible Supco CR87 series temperature recorder with CR87-22 circular chart paper. Supco specifies a 31-day rotation and −40 to 0°C printed scale.
Supplied as 60 sheets per box. Check the CR87-22 reference, scale and recording period on your existing chart before adding to cart.
Replace your recorder paper with Kobayashi B957KK100-11T folded chart paper. It has a 0–100 printed scale, 200 mm overall width and 180 mm printed width.
You receive B957KK100-11T: 10 pads per pack. This paper is also listed under 180-100-0100-1 and B9573AN references. Check the code and scale on your existing chart before ordering.
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.
Keep your chart recorder supplied with Kobayashi BM115492 circular chart paper. This single-sided chart has a 0–350 printed scale and is designed for a 7-day recording cycle.
100 sheets per pack. Check the chart number, scale, rotation period and size against the paper currently used in your recorder before adding to cart.
Refresh the trace on your thermohygrograph with a replacement Sato cartridge pen. Choose violet or red before adding to cart; each option is sold as one pen.
Check the pen fitted to your recorder before ordering. The selected colour’s price and availability appear beside the Add to Cart button.
Restock your compatible chart recorder with Kobayashi 200-91538KK thermal-sensitive paper. Each roll measures 210 mm wide × 27.3 m long.
Sold as one box of 10 rolls. Match the 200-91538KK reference and paper dimensions to your existing roll before adding to cart.
Replace the chart in your compatible Yokogawa μR recorder with Kokusai B9573AN-KC fanfold paper, supplied as an equivalent to chart reference B9573AN.
Price is for one pad, approximately 20 m long, with a 0–100 printed scale and 180 mm recording width. Check the reference on your existing paper before adding to cart.
Restock your recorder with ZT-605 / KT-605 fanfold chart paper. The paper has a 0–150 printed scale, a 200 mm overall width and an approximately 20 m length.
Sold as one pack of 10 pieces. Match the reference and printed scale on your existing chart before adding to cart; similar-sized recorder paper may use a different range.
Keep your Honeywell DPR300 series recorder supplied with Kobayashi 46182707-001 fanfold chart paper. Each pad is approximately 308 mm wide × 35 m long.
10 pads per pack; price is for one pack. Match the 46182707-001 reference and paper width against your existing chart before ordering.
Restock your compatible chart recorder with Kokusai ZM-208A fanfold paper. Each pad has a 0–200 printed scale, measures 114 mm wide × 10 m long and provides a 100 mm recording area.
One order supplies 15 pads—five inner boxes containing three pads each. Check the reference on your existing chart; related references include EM-208A and KM-208A.
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.
