Specification Of Input Section - GRAPHTEC GL2000 Quick Start Manual

Specification of input section

Item
Number of input channels
Input terminal
Voltage
type
Temperature
Input method
Fastest Sampling interval
Measurement Voltage
ranges
Temperature
Humidity
RMS
Measurement accuracy
(23°C ±5°C)
• When 30 minutes or more have
• GND connected
• Vertical placement
• Filter Line
（Voltage, Temperature）
Reference contact compensation accuracy
Burnout detection
A/D converter
Temperature coefficient
Input resistance
Allowable signal source rWithin 1 kΩ
Maximum permissible input
voltage
Withstand voltage
Insulation resistance
Common mode rejection ratio
S/N (Noise)
Frequency response
Filter
21
4CH fixed
Insulated BNC connector or M3.5 screw terminal unit
(However, it cannot input to the BNC connector of same CH and the screw terminal at the same time.)
M3.5 screw type terminals (Rectangular flat washer)
All CH insulation, unbalanced input, all CH simultaneous sampling
1 μs
20・50・100・200・500mV・1・2・5・10･20・50・100V
200・500・1000V(Max .rated safety voltage:±600VDC)、1-5VF.S.
Thermocouples : K, J, E, T, R, S, B, N, W (WRe5-26)
0 to 100% (Voltage 0 to 1V scaling conversion) * B-530 (option) used
10・25・50・100・250・500mV・1・2.5・5・10･25・50VrmsF.S、
100・250・500・1000Vrms(Max .rated safety voltage:±600Vrms）F.S
* Crest Factor: in 1000Vrms range,up to 1.4 ,in other range, up to 2
* Measurable frequency: 20 to 10 kHz
* The true effective value (RMS) of AC + DC is measured
* The function to automatically obtain the effective value (RMS) and the operation
cross value from the currently measured value is provided •
Voltage
• ±0.25% of F.S.
Thermocouple
* Thermocouple diameters T - K: 0.32 φ, others: 0.65 φ
Thermocouple Measurement Temperature Range (°C)
R/S
B
K
E
T
J
N
W
Reference contact compensation accuracy
•
RMS(Average)
±1.5% of F.S. (Sine wave, 20 to 10 kHz)
Internal/External switching
Detectable in dedicated mode (Not detectable during capturing)
16-bit (Effective resolution: Approx. 1/40000 of the +/- range)
Gain : 0.01% of F.S./°C
Zero : 0.02% of F.S./°C
1MΩ ±5%
Within 1 kΩ
Between each input (+) terminal and each input (-) terminal: 20 mV to 2 V AC/DC 30V
Between each input terminal and each input terminal: AC/DC 600V( CATⅢ) / AC/DC 300V (CAT Ⅳ )
Between each input terminal and GND terminal: AC/DC 600V( CATⅢ) / AC/DC 300V (CAT Ⅳ )
*Expected transient overvoltages 6000V
Between each input terminal and each input terminal:AC/DC 5400V 1 minute
Between each input terminal and GND terminal: AC/DC 5400V 1 minute
Between Input Ch and GND terminal: 50MΩ or more (At 500 VDC)
90 dB or more (50/60 Hz; signal source 300Ω or less)
20 mV range: -40 dB or more (at +/- short)
Other range: -50 dB or more (at +/- short)
DC to 200 kHz (+1/-4 dB)
OFF, Line, 5 Hz, 50 Hz, 500 Hz, 5 kHz, 50 kHz
Attenuation -3 dB/Cutoff frequency Slope 6 dB/oct
Description
0 ≤ TS ≤ 100℃
100 < TS ≤ 300℃
R : 300 < TS ≤ 1600℃
S : 300 < TS ≤ 1760℃
400 ≤ TS ≤ 600℃
600 < TS ≤ 1820℃
-200 ≤ TS ≤ -100℃
-100 < TS ≤ 1370℃
-200 ≤ TS ≤ -100℃
-100 < TS ≤ 800℃
-200 ≤ TS ≤ -100℃
-100 < TS ≤ 400℃
-200 ≤ TS ≤ -100℃
-100 < TS ≤ 100℃
100 < TS ≤ 1100℃
-200 ≤ TS < 0℃
0 ≤ TS ≤ 1300℃
0 ≤ TS ≤ 2315℃
Measurement Accuracy
±7.0℃
±5.0℃
± (0.05% of rdg +3.0℃)
± (0.05% of rdg +3.0℃)
±5.5℃
± (0.05% of rdg +3.0℃)
± (0.05% of rdg +3.0℃)
± (0.05% of rdg +2.0℃
± (0.05% of rdg +3.0℃)
± (0.05% of rdg +2.0℃)
± (0.1% o f rdg +2.5℃)
± (0.1% o f rdg +1.5℃)
±3.7℃
±2.7℃
± (0.05% of rdg +2.0℃)
± (0.1% o f rdg +3.0℃)
± (0.1% o f rdg +2.0℃)
± (0.1% o f rdg +2.5℃)
±1.0℃
5V to 1000V AC/DC 600V