MK LIT (E5) 01/2021
page 33/172
7. Chamber description
The battery test chamber LIT MK is a specially developed precision cooling/warming cabinet for the domain
of industrial material testing and environment simulation, with an unrivalled capacity, which far exceeds the
capabilities of normal test cabinets, providing the ideal facilities for solving all the problems which occur
during material as well as ageing and stress tests.
The chamber is equipped with a number of safety features (chap. 7.1). This enhances the usage options
to include the option of testing lithium-ion batteries.
To this end, it is absolutely necessary to observe
and comply with the information on the permissible loading of the chamber as well as all safety
instructions and instructions in this document.
The patented APT.line™ preheating chamber and air conduction technology guarantees excellent spatial
temperature values for the total working area. The chamber is equipped with a powerful refrigerating system
permitting rapid cooling-down speeds. In addition, it provides almost unlimited possibilities for adaptation
to individual customer requirements based upon extensive programming options.
Material:
The high-quality housing insulation guarantees both a low noise mode of operation and a con-
sistently low housing temperature. The inner chamber, the pre-heating chamber and the interior side of the
doors are all made of stainless steel V2A (German material no. 1.4301, US equivalent AISI 304). When
operating the chamber at temperatures above 150 °C /
302°F,
the impact of the oxygen in the air may
cause discoloration of the metallic surfaces (yellowish-brown or blue) by natural oxidation processes. These
colorations are harmless and will in no way impair the function or quality of the chamber. The housing is
RAL 7035 powder-coated. All corners and edges are also completely coated.
Controller:
The chambers are equipped with a multifunctional microprocessor display controller for tem-
perature with a digital display accurate to one-tenth of a degree. With its comprehensive program control
functions, the display program controller MB2 permits the high precision performance of temperature cycles
with rapid heating up and cooling down phases.
The efficient program controller is equipped with a multitude of operating functions, in addition to recorder
and alarm functions. Programming of test cycles is easily accomplished via the modern touchscreen display
controller MB2 and is also possible directly with a computer via Intranet in connection with the APT-COM™
4 Multi Management Software (option, chap. 26.1). The chamber comes regularly equipped with an Ether-
net serial interface for computer communication. In addition, the BINDER APT-COM™ 4 Multi Management
Software (option) permits networking up to 100 chambers and connecting them to a PC for controlling and
programming, as well as recording and representing temperature data. For further options, see chap. 30.5.
The chambers
are equipped with
four castors.
Both
front
castors
can be easily locked via the attached
brakes.
You can operate the chamber in a temperature range from -40 °C /
-40 °F
up to +120 ºC /
230 °F
.
7.1
Manufacturer's safety plan: Protective measures and equipment
The operator of the chamber must observe the following rule: “Betreiben von Arbeitsmitteln. Betreiben von
Kälteanlagen, Wärmepumpen und Kühleinrichtungen“ (Operation of work equipment. Operation of refrig-
eration systems, heat pumps and refrigeration equipment) (GUV-R 500 chap. 2.35) (for Germany).
Observe the relevant regulations for handling lithium accumulators, CO
2
and inert gases (e.g. DGUV Infor-
mation 205-026 for Germany).
The manufacturer took the following measures to prevent ignition and explosions:
•
Limitation of the nominal temperature in the controller
The temperature setting in the chamber controller and thus the nominal temperature of the chamber is
limited to
110 °C
.
•
Temperature safety devices
(chap. 15)
An additional temperature limiter class 2 acc. to DIN 12880:2007 is fixed at
120 °C
and provides addi-
tional safety in the event of a fault. (chap. 15.2)
Содержание 9020-0402
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