Dimensions

Front Loading

External

Internal

Height

55 cm

26 cm

Width

79 cm

46.5 cm

Depth

48 cm

25 cm

Top Loading

Height

48 cm

25 cm

Width

79 cm

44.5 cm

Depth

55 cm

26 cm

Weight

45 kg (shipping weight inc. packaging) approx.

Capacity

2ml ampoules

1452

0.5ml straws

1216 horizontal or vertical

0.25ml straws

1216 horizontal or vertical

50ml blood bags

40 (dependent on manufacturer)

250ml blood bags

20 (dependent on manufacturer)

500ml blood bags

20 (dependent on manufacturer)

Circulation

Horizontal laminar flow

Temperature range

+100ºC to -160ºC

Cooling medium

Liquid nitrogen 22 ±2 psi

Heater

1000W

Sensors: Control and sample

4-wire Platinum resistance thermometer. Sensors are linearised in software to international standards that utilise a 4096-point lookup table based on BS1904:1984 Table 1. Calibration facility provided.

Accuracy

±0.5ºC at a hold at 0ºC (dynamic accuracy depends on actual programme, e.g. rate of change of temperature

Heating rates

0.01ºC/min to 10ºC/min

Cooling rates

-0.01ºC/min to -50ºC/min (-0.01ºC/min to -10ºC below -80ºC)

Programmable cooling rate range

-0.01ºC/min to -99.9ºC/min

Operating positions

Vertical or horizontal

Thermal cutout

120ºC cutout

Power requirements

103-126VAC 50/60Hz 1200VA (max.)
(470VA freezing only, with seal and bearing heaters operating). The freezer may be damaged by voltage surges in excess of 15% above nominal

Chart sensitivity

16.7mV/ºC. Nominal impedance > 10K

Recorder

Scaling: oV = -200ºC, +5V = +100ºC

Standards

Designed to comply with BSEN 61010, CSA22.2No.125-M1984, CSA22.2No.151-M1986, EN50082-2, EN50081-2

Storage temperature

-10ºC to +70ºC

Storage humidity

Up to 95% non-condensing

Operating temperature

5ºC to 40ºC

Operating humidity

Less than 90