User manual VAISALA QML201C DATASHEET

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Detailed instructions for use are in the User's Guide.

[. . . ] www. vaisala. com Vaisala Data Logger QML201C The Vaisala Data Logger QML201C Features/Benefits The QML201C The Vaisala Data Logger QML201C incorporates Vaisala's proven sensor technology. [. . . ] The software has many setup options and advanced features. Expandability The systems architecture enables the QML201C to be easily upgraded with Technical data General Processor Memory A/D conversion Data logging memory 33 MHz, 32-bit Motorola 4MB RAM and 4 MB program flash 24 bit 3. 3 MB internal flash memory Up to 2GB on optional, compact flash memory card 10 analog inputs (20 single-ended inputs) 2 counter/frequency inputs Internal channel for BARO-1 pressure transducer one RS-232, RS-485 (two-wire) and SDI-12 Two optional plug-in slots for communication modules to increase the number of the serial I/O channels up to 6 pcs Fast serial expansion bus connecting e. g. 38400 bps Configurable speed, start bits, data bits, stop bits, parity, XON/XOFF , and checksum 8 . . . 100 %RH TCP/iP Supported protocols ARP UDP/IPTCP/IP FTP SMTP PPP , , , , , (with PAP or CHAP authentication), HTTP(get), Telnet, ICMP Echo, DHCPARP , , NTP DNS, serial port tunneling over TCP/IP , Sensor inputs Accuracy All data for ambient temperature range -50 . . . +60 °C unless otherwise specified Temperature measurement (PT100 sensor, measurement range -50 . . . error at 0 °C < ±0. 04 °C Voltage measurement uncertainty, temperature range -50 . . . +60 °C ±5. 0 V range < 0. 06 % of reading ±100 µV ±2. 5 V range < 0. 04 % of reading ±50 µV ±250 mV range < 0. 06 % of reading ±6 µV ±25 mV range < 0. 06 % of reading ±5 µV Voltage measurement uncertainty, temperature range -60 . . . +70 °C ±5. 0 V range < 0. 10 % of reading ±150 V ±2. 5 V range < 0. 08 % of reading ±80 V ±250 mV range < 0. 10 % of reading ±10 V ±25 mV range < 0. 10 % of reading ±10 V Frequency measurements ±0. 003 % + resolution up to 20 kHz Common mode range +7 V/-3 V Real-time clock (standard) accuracy Better than 20 s/month back-up time minimum 5 yrs. with CR1220 Lithium cell SERiAl CommuNiCATioN Standard Optional Speed Parameters Voltage (external powering) Power consumption (typically with 5 sensors) Temperature operating extended operating storage Humidity EThERNET CommuNiCATioN Standard IEEE 802. 3 Two plug-in slots for ethernet modules Speed 10 Mbps (10 BASE-T) Can also be connected to 100 Mbps/1000 Mbps 100/1000 BASE-T networks with 10 Mbps Parameters Full/half duplex with auto-negotiation Regulatory compliances Emission ESD immunity RF field immunity EFT immunity Surge (lightning pulses) Conducted RF immunity CISPR 22, class B (EN55022) IEC6100-4-2 IEC6100-4-3 IEC6100-4-4 IEC6100-4-5 IEC6100-4-6 For more information, visit www. vaisala. com or contact us at sales@vaisala. com Ref. [. . . ] All specifications -- technical included -- are subject to change without notice. [. . . ]

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