100 MM GRAPHICS RECORDER: USER GUIDE
HA027271
Issue 12 Mar 04
User Guide
Page 104
TECHNICAL SPECIFICATION (Universal inputs)
General*
Termination
Inputs:
22 - way Edge connector/terminal block
Max. number of inputs
six
Input ranges
-38 mV to +38mV; -150 mV to +150mV; -1 Volt to +1Volt; -10 Volts to + 10Volts
Input types
Dc volts, dc millivolts, dc milliamps, (with external shunt), thermocouple, 2/3 wire resistance temperature detector
(RTD), Ohms, Contact closure (not channel 1) (Minimum contact closure = 60msec.)
Input type mix
Freely configurable
Sample rate
See 'Update information' above
Noise rejection (48 to 62Hz)
Common mode:
>140dB (Channel to channel and channel to ground)
Series mode:
>60dB
Maximum common mode voltage
250Volts continuous
Maximum series mode voltage
45mV at lowest range; 12Volts peak at highest range
Isolation (dc to 65Hz; BS EN61010)
Installation category II; Pollution degree 2
300V RMS or dc channel to channel (double insulation), channel to common electronics (double insulation) and
channel to ground (basic insulation)
Dielectric strength Channel to ground:
1350Vac for 1 minute.
Channel to channel:
2300Vac for 1 minute
Insulation resistance
>10M
Ω
at 500V dc
Input impedance
10V range:
68.8k
Ω
Other ranges:
>10M
Ω
Overvoltage protection
50V peak (150V with attenuator)
Open circuit detection
±
57nA max
Recognition time:
500mSec
Minimum break resistance:
10M
Ω
DC input ranges
Shunt
Externally mounted resistor modules
Additional error due to shunt
0.1% of input
Performance
See table
Low
High
Maximum error
Worst case temperature
Range
Range
(Instrument at 20 deg C)
performance
-38 mV
38 mV
1.4
µ
V
0.085% input + 0.051% range
80ppm of input per deg C
-150 mV
150 mV
5.5
µ
V
0.084% input + 0.038% range
80ppm of input per deg C
-1 V
1 V
37
µ
V
0.084% input + 0.029% range
80ppm of input per deg C
-10 V
10 V
370
µ
V
0.275% input + 0.030% range
272ppm of input per deg C
Resolution