Buchi KjelSampler K-377 Bedienungsanleitung PDF herunterladen (Seite 26)

3 Technical data

K-375/376/377 Operation Manual, Version B

3.2 Technical data overview

3.2.1 Technical data KjelMaster K-375 and KjelSampler K-376/K-377

Table 3-15: Technical data

KjelMaster K-375 KjelSampler K-376 KjelSampler K-377

Connection voltage 220 – 240 VAC ±10% 100 – 240 VAC ± 10 % 100 – 240 VAC ± 10 %

Frequency 50/60 Hz 50/60 Hz 50/60 Hz

Power consumption max. 2.2 kW max. 150 W max. 150 W

Current consumption (230 V) 9.5 A 650 mA 650 mA

Weight 32 kg 40 kg

(without rack and sample

tubes)

64 kg

(without rack and sample

tubes)

Dimensions (W x H x D) 458 x 670 x 431 mm 505 x 750* x 655

* 1000 mm height

required to allow free

movement of the sampler

arm

1015 x 750** x 655

**1250 mm height

required to allow free

movement of the sampler

arm

Interfaces RS232 RS232 RS232

Recovery rate > 99.5 % (1 – 200 mg N)

Reproducibility (RSD) < 1 %

Measuring range 0.1 – 200 mg N

Environmental conditions

Temperature

Altitude

Humidity

for indoor use only

+ 5 °C to + 40 °C

up to 2000 m above sea level

maximum relative humidity 80 % for temperatures up to 31 °C,

decreasing linearly to

50 % relative humidity at 40 °C

Mains connection Device plug C14 Device plug C14 Device plug C14

Overvoltage category II II II

Pollution degree 2 2 2

Approval CE/CSA CE/CSA CE/CSA

3.2.2 Technical data titrator

The following sensors can be connected to the titrator:

• combined pH glass electrode

• optical sensor with measuring range between 50 and 1000 mV (max. 1200 mV)

• temperature measuring sensor for Resistance Thermometer Pt 1000, connection: 2 x 4 mm

sockets and 1 x 2 mm socket

Dosing accuracy:

According to DIN EN ISO 8655, Part 3, or better

Typical accuracy: Systematic error max. ± 30 µL

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 159 160

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