
Page 4
Landcal P80P
Calibration Source
User Guide
3 Specification
Maximum working temperature:
80°C (175°F)
Recommended temperature range:
-10 to 80 °C (15 to 175°F)
Heating rate:
(Ambient to 75°C) 60 minutes
Cooling rate:
(20°C to -10°C)
90 to 120 minutes
(dependent on ambient). During the
cooling cycle, the cooling time can be
reduced by inserting an insulated plug into
the front of the cavity.
Stability:
With the source controlling at temperature
the radiance temperature will vary by less
than ±0.5K (±1°F) over a 30 minute period.
Uniformity:
The temperature gradients across the
middle 40mm of the 50mm cavity are within
±0.2°C.
Radiation cavity:
Material:
Aluminium with black, high temperature
refractory coating
Design:
120° cone
Inner diameter:
50mm (2.0in)
Internal length:
155mm (6.1in)
Emissivity:
>0.995
Controller input:
Resistance thermometer
Controller type:
Eurotherm 3216 with RS 232 serial interface
Electrical supply:
220/240V a.c. 50 to 60 Hz. Part No.
135.181
110/120V a.c. 50 to 60 HZ. Part No.
135.199
Power consumption:
0.2KVA (220/240V operation)
Measuring sensor (if supplied)
Type: Platinum Resistance Thermometer
(UKAS certified)
Length:
450mm (17.7in) plus 2m (78.7in) cable
Diameter:
6mm outer diameter, inconel sheath
Uncertainty:
<±0.1°C at 50°C
Part Nº:
135.142
Overall dimensions: Height:
185mm (7.3in)
Width:
260mm (10.2in)
Depth:
315mm (12.4in)
Bench to tube centre height:
100mm (2.5in)
Weight:
Nett:
11kg (24lb)
Gross:
13kg (29lb)
NOTE
The controller fitted to the furnace is configured for °C operation. If °F
operation is required, details of how to re-configure the controller can be
found in the controller Operating Instructions.