BUCHI KjelSampler K-377 - Manual (Page 26)

3 Technical data
26 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