feat(kbiosystems): add Ultraseal PRO (formerly WASP) heat sealer driver

[rickwierenga]

What

Adds KBiosystemsUltrasealPRO, a PyLabRobot driver for the KBiosystems Ultraseal PRO inline heat sealer, alongside the existing Ultraseal ePRO / XT Pro and KUBE sealers.

Naming: the Ultraseal PRO was sold for years as the WASP (product page, "formerly the Wasp"). Following the ePRO/eSeal precedent in this package, the class, module, and docs are named after the current product (KBiosystemsUltrasealPRO, ultraseal_pro.py, ultraseal-pro/), with "(formerly the WASP)" noted in the docstring and tutorial so people with older units can still find it.

The Ultraseal PRO speaks the same shared ASCII/RS-232 protocol as the other KBiosystems sealers (?/E/S/A/B/C/D/F, 9600 8-N-1, command-echo, CR-terminated), so KBiosystemsUltrasealPRO subclasses KBiosystemsSealer and reuses the shared transport and status/error state machine. It is closest to the Ultraseal XT Pro (inline, pneumatically driven, self-advancing/cutting film, compressed-air supply), with two deliberate differences taken from the protocol manual:

• Status byte layout — ParkMode is bit 7 (0x80) with bit 6 (0x40) a documented spare, whereas the XT Pro reports ParkMode at 0x40. UltrasealPROStatus keeps Spare = 0x40 as a member so a byte with that bit set decodes instead of raising.
• No shuttle commands — the Ultraseal PRO draws the shuttle in, seals, and returns it automatically during the seal cycle, so it exposes no park/unpark/reset (P/U/R) over serial. It also self-initializes on power up (no I command).

Its error table is the model-specific subset (1, 2, 3, 4, 7, 9, 10) and the sealing-temperature ceiling is 200 °C per the spec sheet.

Hardware-verified

The Ultraseal PRO driver has been confirmed against a real device, so it ships without the not-tested warning. As part of this, the warning was moved out of the shared _open() and into each unverified model's setup() — so verifying a model is just deleting that one line. The ePRO and XT Pro (still unverified) keep theirs; the Ultraseal PRO has none.

Included

• pylabrobot/kbiosystems/ultraseal_pro.py — KBiosystemsUltrasealPRO, UltrasealPROStatus
• __init__.py exports
• sealer.py — _open() no longer emits the maturity warning (relocated to the unverified subclasses' setup())
• Tests in sealer_tests.py (setup, seal wire-bytes, bit-7 Park Mode vs bit-6 spare, low-air decode, overheating error; extended the shared-low-bits check to include the Ultraseal PRO)
• Docs: API autosummary entry + an ultraseal-pro/hello-world.ipynb tutorial

Checks

• pytest pylabrobot/kbiosystems/sealer_tests.py — 19 passed
• ruff check clean, ruff format applied, mypy clean
• Verified the not-tested warning fires for the ePRO and XT Pro and is absent for the Ultraseal PRO

🤖 Generated with Claude Code

[ben-ray]

I tested this on my kbiosystems wasp (also known as Thermo ALPS3000), and it works. Note that you need a straight rs232 cable to an rs232 port to control these instruments. I tried many different chipset rs232-usb cables, none worked besides an ol' rs232 port.