A selection of Special Probes (KX) produced by Comark Instruments as variants of existing standard Probes, which are now generally available.
The KX9013 2m Duplex Blood Bag Air Probe is a duplex probe with a blood bag (penetration) probe on channel one and a damped air probe on channel two.
The KX9556 Special Probe is a variant of the AT26M Flexible Wire Air Probe, which is fitted with a Type T Thermocouple Sensor, but with a 2m lead instead of the standard 1m length.