Specs:
Type
Style
Oscillation method
Temperature requirements
Capacity requirements
Country
Standard
$1174.00
SE
RONGHUA SHZ-82AB Digital Display Frozen Gas Bath Shaker Digital Display Constant Speed
rotaryRT+~60°C
Temperature range 0~60 ℃, Temperature uniformity +/- 0.5 ℃, Working mode: rotary, digital constant speed

$1359.00
SE
RONGHUA ZD-85AB Digital Display Freezing Speed Gas Bath Shaker Digital Display Constant Speed
Rotary + reciprocatingRT+~60°C
Temperature range 0~60 ℃, Temperature uniformity +/- 0.5 ℃, Working mode: reciprocating, rotary digital display constant speed

$898.00
SE
RONGHUA ZD-85AD DC Brushless Constant Speed Gas Bath Shaker Digital Display Constant Speed
Rotary + reciprocatingRT+~60°C
Temperature range Room temperature~ 60 ℃, Temperature uniformity +/- 0.5 ℃, Working mode: reciprocating, rotary digital display constant speed, DC brushless motor, long service life

If you don't know how to choose "Oscillator/Shaker", please consult customer service.