KBiosystems Ultraseal ePRO

The Ultraseal ePRO (formerly the eSeal) is a heat sealer for microplates from KBiosystems, controlled over an RS-232 serial interface.

Property	Value
OEM link
Communication	Serial / RS-232, ASCII command protocol
Serial settings	9600 baud, 8 data bits, no parity, 1 stop bit, no handshake
Terminator	CR (\r)

Warning

This driver has NOT been tested against hardware in PyLabRobot. If you verify it on a sealer, please open a PR to remove the not-tested warning.

Physical setup

Connect the sealer’s RS-232 port to your computer, typically through a USB-to-serial adapter. Make sure the sealer’s serial parameters match the driver defaults (9600 baud, 8 data bits, no parity, 1 stop bit, no handshake).

Connect

setup() opens the serial port, waits for the device to be ready, reads the firmware version, and pre-heats to the preheating temperature. It also logs the not-tested warning.

from pylabrobot.kbiosystems import KBiosystemsUltrasealEPRO

sealer = KBiosystemsUltrasealEPRO(port="/dev/ttyUSB0")  # replace with your port
await sealer.setup()

Seal a plate

seal() applies the time and temperature, waits for the heater to reach the setpoint, seals the plate, then returns to the idle temperature. Sealing time is 0.5–9.9 s; temperature is 5–199 °C.

await sealer.seal(temperature=170, duration=2.5)

Temperature

Set the sealing temperature setpoint and read the current heater temperature.

await sealer.set_temperature(160)
print("Current temperature:", await sealer.request_temperature(), "C")

Status

Read the status byte as a set of flags.

print("Status:", await sealer.request_status())

Teardown

await sealer.stop()