4 specifications – Monarch Instrument DC 2000 User Manual
Page 13

Chapter 1 General Description
Page 1-5
1.4 Specifications
OPERATING
Input Signals
DC Voltage: Linear, Industrial square root, Logarithmic
Full scale ranges:
+150 mV, +1.25 V, +2.5 V Accuracy ±0.06%
±12.5 V, and ±25 V Accuracy ±0.1%
DC Current:
4 to 20 mA, 0 to 20 mA and 10 to 50 mA
Accuracy ±0.15% using external 50 ohm 0.1% shunt
Thermocouple:
Resolution 0.1°C
Type
Range (°C)
Accuracy (°C)
Range (°F)
Accuracy (°F)
J
-210 to -100 °C
±2.5 °C
-340 to -150 °F
±5 °F
-100 to 1200 °C
±1.5 °C
-150 to 2190 °F
±3 °F
K
-270 to -100 °C
±2.5 °C
-450 to -150 °F
±5 °F
-100 to 1372 °C
±1.5 °C
-150 to 250 °F
±3 °F
T
-270 to -100 °C
±2.5 °C
-450 to -150 °F
±5 °F
-100 to 400 °C
±1.5 °C
-150 to 750 °F
±3 °F
E
-270 to -100 °C
±2.5 °C
-450 to -150 °F
±5 °F
-100 to 1000 °C
±1.5 °C
-150 to 1832 °F
±3 °F
N
-270 to -100 °C
±2.5 °C
-450 to -150 °F
±5 °F
-100 to 1300 °C
±1.5 °C
-150 to 2372 °F
±3 °F
R
-50 to 1768 °C
±3 °C
-58 to 3200 °F
±6 °F
S
-50 to 1768 °C
±3 °C
-58 to 3200 °F
±6 °F
B
0 to 1820 °C
±4 °C
32 to 3300 °F
±7 °F
C
0 to 2400 °C
±3 °C
32 to 4350 °F
±6 °F
Reference junction compensation accuracy ±0.5 °C (0 °C to 50 °C)
Thermocouple burnout detection - internal
RTD:
Base accuracy 0.2% or 0.5 °C (1 °F). Resolution 0.1 °C.
2, 3 or 4 wire connection. Cable compensation to +50 Ohm
Open and short circuit detection.
10 ohm Cu
-70 to 170 °C
-94 to 338 °F
100 ohm Pt 385
-220 to 850 °C
-364 to 1560 °F
100 ohm Pt 392
-180 to 820 °C
-292 to 1500 °F
200 ohm Pt 385
-220 to 400 °C
-364 to 750 °F
200 ohm Pt 392
-180 to 400 °C
-292 to 750 °F
120 ohm Ni
-70 to 300 °C
-94 to 570 °F
1000 ohm Ni
-60 to 209 °C
-76 to 408 °F
Input Resolution
0.0015% of full scale, 16 bit unless otherwise stated
Input Impedance
>10 megohms on 150 mV, 1.25 V and 2.5 V Ranges, >100 K on 12.5 V, and 25 V ranges
Input Channels
2, 4, or 6 direct
Maximum Input
50 Vdc
Isolation
250 Vdc or peak AC channel to channel, 300 Vdc or peak AC to Chassis
Measurement Rate
8 times per second on all direct input channels
Common Mode Noise Rejection
>100 dB, 50/60 Hz
Normal Mode Noise Rejection
>50 dB at 50/60 Hz
Math Functions
+, -, x, /, logarithms, totalization, powers, averages, and timers
RECORDING
Recording Rates
User programmable from 8 samples per second to 1 sample every 600 seconds (10 Minutes).
Channels independently programmed.
Data Format
Proprietary binary format. User File naming.
Data Storage Capacity
Data stored in non-volatile RAM and recorded automatically to on board removable media
Removable Media Types
3½ inch (89mm) floppy disk - approximately 700,000 samples for a 1.44 Megabyte Disk
PCMCIA Flash cards - approximately 100,000,000 samples for a 200 Megabyte Card
Zip Disk - approximately 50,000,000 samples for a 100 Megabyte Disk
Internal Media
One Megabyte RAM (Non-Volatile)
Two Megabyte RAM (Non-Volatile) - optional
File types
Data files, Alarm and Event files, Configuration files, Language Files. Multiple files
of different names on a single disk.