AN-80
SS ZMT
SPECIFICATION
Displays
Measured Value:
Five-digit seven-segment blue filtered vacuum
fluorescent.
Information:
20-character single line dot matrix blue filtered vacuum
fluorescent.
Ranges:
Oxygen – programmable within the limits of
0 to 25% O
2
to a minimum span of 5% O
2
linear.
Probe temperature – 0 to 1400°C (32 to 2552°F) [200°C
(392°F) span min. for retransmission].
Accuracies (ZMT only)
Oxygen concentration:
<2% of reading or ±0.1% O
2
, whichever is the greater.
Display and Retransmission
Measurement resolution
Thermocouple, mV, V and mA: <0.1% span.
ACJC error:
0.05°C/°C (0.09°F/°F) change in ambient
temperature.
Thermocouple linearizer:
±0.2°C (±0.36°F).
Display resolution:
±1 digit.
O
2
System accuracy
(ZMT + either ZFG2 or ZGP2
probe when calibrated with certified test gas).
Display:
<±2% of reading (ZFG2) - ±5% of reading (ZGP2) or
±0.1% O
2
whichever is the greater.
Retransmission error:
<2% of reading (ZFG2) - ±5% of reading (ZGP2).
Error due to ambient temperature variation:
±0.02% span/°C (±0.36% span/°F) typical.
Error due to power supply voltage regulation:
None for ±15% variation.
Interference suppression:
Tested and passed for a field intensity of 10V/m over the
frequency range of 27MHz to 1GHz in accordance with BS
6667.
Line interruption:
<50ms loss, no effect.
>50ms loss, instrument returns to operation after
automatic reset.
Line interference:
<500V input pulse width up to 125µs, no effect and as
indicated in BS6667.
Environmental Data
Operating temperature limits:
0 to 55°C (32° to 131°F).
Operating humidity limits:
0 to 80% RH.
Protection:
IP55.
Meets requirements of NEC Class I Div. 2 Group B, C, and
D requiring Z purge.
Power Supply
Voltage requirements:
110V or 230V (±15%) 50/60Hz.
Power consumption:
150VA.
Insulation, mains to earth (line to ground):
2kV r.m.s.
Outputs and Set Points
Analog outputs (isolated)
0 to 10mA, 0 to 20mA or 4 to 20mA – up to three max. into
1k
Ω
max. load.
Output Modules 1 and 2 programmable:
%O
2
any range (5% min. span within the
range of 0 to 25% O
2
(i.e. dual ranging
possible).
Temperature any range [200°C (392°F) min. span) within
the ranges –
Cell temp. 0° to 1400°C (32° to 255°F)
*Flue temp. 0° to 700°C (32° to 1292°F)
*Air temp. –40° to 400°C (–40° to 752°F)
*0 to 100% combustion efficiency.
Output Module 3 programmable:
for any of the retransmissions as for modules 1 and 2.
*Only available when Combustion Efficiency option selected.
Relay outputs:
Maximum of four available.
Set points adjustment:
Programmable.
Relay contacts:
Single pole changeover
Rating:
250V a.c. 250V d.c.
3A a.c.
3A d.c. max.
Loading (non-inductive):750VA
30W max.
Insulation:
Contacts to earth 2kV r.m.s.
Display Function
O
2
%
Temperature – Cell temperature
Flue temperature
Air temperature
Efficiency version
% Combustion Efficiency
Inferred CO
2
PPM CO.
Unless specified otherwise at the time of ordering all
instruments are set up as follows:
Standard Version
Output Module 1 – O
2
range 0 to 25%
Output Module 2 – O
2
range 0 to 25% (optional)
Alarms set at 5% O
2
EB (Module 1) 15% O
2
EA (Module 2)
(supplied disabled). Module 3 (optional) alarms allocated
to cell temperature.
Alarm 3 – low temperature
Alarm 4 – high temperature.
Advanced Efficiency Version
As basic version plus:
Output Module 3 – Ranged 0 to 100% Efficiency
Output – 4 to 20mA.
For either version:
Fuel 1
– Gas (selected in manual mode)
Fuel 2
– No. 6 oil
CO Display – 0 to 4000 ppm (max. range)
CO input
– 4 to 20mA
SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182E-MAIL: szss20@163.com
SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL: szss20@163.com
