Esco Lexicon Manuale Utente Scaricare il pdf (Pagina 12)

Ultra-low Temperature Freezers

Lexicon II

SUPERIOR SAMPLE PROTECTION WITH

SUPERIOR REFRIGERATION

PERFORMANCE

We can use some materials from the existing brochure

– However, we need a better graph. The one below

shows poor temp stability before the door opening.



RECOVER TEMPERATURE AFTER A DOOR OPENING EVENT



DESIRED SET TEMPERATURE

SUPERIOR CABINET INSULATION DESIGN

     

FAILURE EVENT

• Warm-up time measures the time taken for

temperature to rise up (from -80°C to -50°C) when the

power is interrupted.

• With a robust insulation system in place, Esco Lexicon

has the best warm-up time among the freezers

compared on the right*. Slower warm-up during an

extended power failure buys the user time for carrying

out a back-up plan.

EXTENDED WARM-UP TIME DURING A POWER

FAILURE

SanyoMDF-

U73V(V.I.P)

120

Warm-uptimefrom-80°Cto-50°C**

Warm-uptime(min)

Haier

DW-86L626

So-Low

U85-25

Thermo

Scientic

Revco

ULT2586-10-D

Thermo

Scientic

Forma906

130

210

190

110

214

UUS-714-C-1

UniformityTestat-80°CCycle

average uniformity of cycle = 4.78 °C



• Uniformity test measures the

difference between the coldest

spot and warmest spot in the

freezer chamber when the freezer is

operating at set temperature.

• Esco Lexicon

has excellent

uniformity under normal operating

conditions*. This guarantees that

all samples are at the correct

temperature.

1 101 201 301 401 501 601 701

-110

-120

-80

-90

-70

-50

-60

-100

Temperature(°C)

Time(min)

TemperatureRecoveryAfter1MinuteDoorOpening

• Esco Lexicon

recovers temperature

in minutes following a 1 min.

door opening*. Fast recovery in

temperature ensures integrity of

stored samples.

  

AFTER DOOR OPENING

-95

-100

-80

-85

-75

-65

-70

-90

106

113

120

127

134

141

148

155

162

169

176

183

190

197

204

211

218

225

232

239

246

253

260

267

274

281

288

295

302

309

316

323

Time(min)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 27 28

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Esco Lexicon Manuale Utente Pagina 12

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