Serie PM

Serie PM

 

Miniature Pyrometer

CellaTemp® PM

Special features

• Measuring ranges 0 °C to 1200 °C

• Dimensions 36 x 20 x 52 mm

• Very good optical characteristics due to precision lenses

with broad band antireflection coating

• Microcontroller controlled linearization

• External emissivity adjustment

The miniature pyrometer CellaTemp® PM is as small as a thumb. The optic, complete electronic as well as the linearization and ambient temperature compensation are situated in a housing of only 36 x 20 x 52 mm.

The linear analogue output can be easily connected to commercial digital displays, automatic controllers or to a PLC without any additional electronic. The emissivity for the adjustment of the pyrometer to the radiation characteristics of the measuring object is externally adjustable.

Because of its non-hygroscopic precision lens and its waterproof metal housing, the CellaTemp® PM provides the user with exact and reliable measuring results even under very rough industrial conditions.

 

Technical data

Type

PM 11 AF 1

PM 11 AF 2

PM 21 AF 1

PM 21 AF 2

Measuring range

0 to +200 °C

0 to +400 °C

+300 to +800 °C

+700 to +1200 °C

Resolution

1.0 K

2.0 K

3.0 K

Repeatability (for ε = 1 and Ta = constant)

 

≤ 2.0 K

 

≤ 3.0 K

Accuracy

(for ε = 1 and Ta = 23 °C)

 

≤ 3,0 K

≤ 1 % vom

+ 1 K oder 4 K

 

≤ 5,0 K

Sensor

Thermopile

Photodiode

Spectral range

8 - 14 μm

1.0 - 1.7 μm

 

Distance ratio

15 : 1 at a measuring distance of 100 mm

6.4 : 1 at far distances

 

30 : 1

Target size

Ø 6.6 mm at a measuring distance of 100 mm

Ø 5 mm at a measuring distance of 150 mm

 

Analogue output

10 mV / °C linear 0 - 2 V

10 mV / °C linear 0 - 4 V

1 mV / °C linear 300 mV - 800 mV

1 mV / °C linear 700 mV - 1200 mV

Response time

t90  : < 200 ms

 

Load resistance

≥ 10 K

Admissible ambient temperature

 

0 to +60 °C with less accuracy up to 80 °C

Storage temperature

-20 to +80 °C

 

Temperature coefficient

≤ 0.07 % of reading/K or 0.1 K/K

deviation to Ta = 23 °C

Power supply

11 - 27 V DC ≤ 10 mA, ripple ≤ 200 mV

Air moisture

max. 95 % r. F. (non condensing)

Dimensions

Pyrometer (L x W x H) 36 x 20 x 52 mm, Fixing plate 40 x 20 mm

Housing material

Nickel-plated metal

Connection

via cable 5 m

Weight

approx. 150 g

Protection

IP 65 according to DIN 40050

Adjustable parameters

Emissivity adjustable from 20 - 100 %

 

 

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