Myron L 729II - Manual (Page 10)

NOTE: 3 1/2 digit LCD may be replaced with either a 3 1/2 or a
4 1/2 digit backlit LCD - available as options.
ACCURACY
Analog Models: + 2% of Full Scale
Digital Models: + 1 % of Full Scale
SENSITIVITY
0.05% of span
STABILITY
0.05% of span
REPEATABILITY
0.1% of span
CALIBRATION CHECK
Built in full scale value
RECORDER OUTPUT
0-10 VDC @ 5mA max. (linear); standard on all models
OUTPUT IMPEDANCE
100Ω ±5%
SENSOR INPUT 1 (optional 3 sensor input available)
CONTROL FUNCTION
Models 757II, 758II & 752II, 753II:
Single set point alarm/control continuously adjustable
0-100% of span
Second set point alarm/control (Optional).
Continuously adjustable - 0-100% of span
Hysteresis
Adjustable from 0.3-3% of full scale
Indicators
“HIGH” (red) and “LOW” (green) set point LEDs - reversible.
Relay Contact Rating
SPDT 10 amp @ 250 VAC, 30 VDC. Relay operates
increasing or decreasing reading (user selectable).
Solid State Output
24VDC unregulated, 30mA Maximum.
Powers optional PA - Piezo Electric Alarm, RA™ - Remote
Alarm, or ?
Second Alarm/control Module, with above specifications, opt. on
Models 757II, 758II & 752II, 753II
POWER SPECIFICATIONS
115/230 VAC ±15%, 50/60 Hz (User selectable)
overvoltage category II
100 mA Maximum Current
Double Insulated (with circuit board ground for OEM
operation)
Fuse - 100mA Slow Blow (T.10A) for both 115 & 230 VAC
(V~) User replaceable
Humidity - 20-90% non-condensing
Max. Altitude -
12,000 meters/40,000 ft non-operating
3000 meters/10,000 ft operating
Pollution degree 2
24 VAC or 24 VDC Option available on Special Order
Overvoltage category II (24 VAC)
250 mA Maximum Current
Double Insulated (with circuit board ground for OEM
operation)
Fuse - 250mA Slow Blow (T.25A) User replaceable
AMBIENT TEMPERATURE RANGE
0-60ºC/32-140ºF
DIMENSIONS
152H x 122W x 96 D mm / 6.0 H x 4.8 W x 3.8 D in.
HOUSING CONSTRUCTION
Fully gasketed heavy-duty ABS for splash-proof and corrosion
resistance.
Rated IP65/NEMA 4X
Double Insulated (with circuit board ground for OEM operation)
WEIGHT
750 Series II: average 0.9 kg/2 Ibs.
C. OPTIONAL FEATURES
See sections VI & VII for complete selection and details.
-SC Second Alarm/control Module (M/c only)
-4A 4-20 mA Isolated output (digital models only)
-PA 70 db Piezo Electric Alarm (digital M/c only)
-PAT Piezo Alarm & Timer Module (digital M/c only)
-45BL 4 1/2 Digit Backlit Liquid Crystal Display (LCD)
-35BL 3 1/2 Digit Backlit Liquid Crystal Display (LCD)
-TP Temperature Module 0-200ºC, requires -TP sensor
(digital Monitor/controllers only)
-TH Alarm/control Interface Harness (req. SC & TP)
(digital only)
-PC 115 VAC Power cord (8 ft./2,44 meters) with USA
plug and strain relief - NOT for use with 230 VAC.
-24VA 24 VAC Isolated Power Supply (special order)
-24VD 24 VDC Isolated Power Supply (special order)
-PTS Panel mounted Full Scale Test switch (special order)
D. ACCESSORIES (ordered separately)
See sections VI & VII for complete selection and details.
ASI AQUASWITCH I, auto RO/DI switching system (req. M/c)
SCO Second Alarm/control Module (Monitor/controllers only)
4AO 4-20 mA Self-Powered Isolated Output Module
(digital only)
3SE 3 Sensor Input Module with Enclosure.
3SO 3 Sensor Input Module with 1 meter/3 foot cable*.
3RE 3 Range Switch with Enclosure†
3RO 3 Range Switch with 1 meter/3 foot cable†*.
3SRO Above 3SO & 3RO combined with enclosure†.
3SRE Above 3SO & 3RO combined†*.
PAO 70 db Piezo Electric Alarm only (753II/758II)
PATO Piezo Alarm & Timer Module (753II/758II)
45BLO 4 1/2 Digit Backlit Liquid Crystal Display (LCD)
35BLO 3 1/2 Digit Backlit Liquid Crystal Display (LCD)
TPO Temperature Module 0-200ºC - requires -TP
sensor (digital models only)
THO TP/TPO Alarm/control Harness only
(requires SCO & TPO)
PCO Power Cord 115 VAC (8 ft./2,44 meters) with USA
plug and strain relief - NOT for use with 230 VAC.
SMP50 Surface Mounting Plate
RA Remote Alarm™ - RA (Monitor/controllers only)
VR Power Supply, 24 VAC, 20VA. (115VAC, indoor use)
024-1 1 in. NPT 24 VAC Solenoid Valve
CS-11 20Ω Resistivity Calibration Module (NIST Traceable)
CS-14 2Ω Resistivity Calibration Module (NIST Traceable)
CS-17 200Ω Resistivity Calibration Module (NIST Traceable)
†Add C for Conductivity or R for Resistivity to part number
*Customer mounted separately 6
DOUBLE INSULATED