Grant Instruments LTC2 - Manual (Page 18)

30933 V2 LTC2
Page 17 Operating Manual
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6.0 Technical specifications
6.1
Operating conditions
Ambient temperature range 5 to 40°C
Altitude above sea level Up to 2,000m (6,500ft)
Operating environment Indoor use only
Maximum relative humidity 80% RH up to 31°C decreasing to 50% RH at 40°C
6.2
Electrical details
Mains supply:
220-240V @ 50Hz or 110-120V @ 60Hz
Pollution degree: 2
Installation category: II
Mains supply voltage fluctuations are not to exceed ±10% of the nominal supply voltage.
6.3
Performance
Specification LTC2 LTC2L
Typical cooling power at an
ambient of 20°C
@ 20°C 250W
@ 0°C 140W
@ -10°C 100W
@ -20°C 35W
Stability (DIN 12876) ±0.1°C †
Uniformity (DIN 12876) ±0.1°C
Settable temperature range -20°C to 120°C
Working temperature range -20°C to 100°C
Refrigerant R134a 140gm
Tank capacity 5L
Top opening 110/145mm
Max pump head pressure 210mBar
Max pump flow rate 16L/min
Safety 100°C limit Cut-out
Safety H
2
O freezing protection 5°C thermostat & switch
Max current consumption (both units) 8.0A 15.5A*
Heater power 1.3kW 1.4kW
* Requires two separate mains cords
† Temperature stability may be affected (±0.3C) in the presence of strong RF fields (10V/m) at
380-400MHz. This level of interference is very unlikely and is only likely to be encountered in
electrically noisy industrial locations as defined in EN61326)